:root {
  --ink: #171b19;
  --muted: #6f7572;
  --paper: #f6f8f7;
  --card: rgba(255, 255, 255, 0.94);
  --line: rgba(23, 27, 25, 0.1);
  --lime: #31c27c;
  --lime-deep: #20a968;
  --coral: #31c27c;
  --violet: #6078ff;
  --shadow: 0 18px 55px rgba(29, 48, 39, 0.1);
  --radius: 24px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at 86% 10%, rgba(49, 194, 124, 0.16), transparent 25%),
    radial-gradient(circle at 7% 82%, rgba(96, 120, 255, 0.08), transparent 24%),
    var(--paper);
  background-size: 125% 125%;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  animation: pageAmbient 14s ease-in-out infinite alternate;
}

@keyframes pageAmbient {
  to { background-position: 5% 2%, 98% 94%, 0 0; }
}

button, input, textarea, select { font: inherit; }
button { color: inherit; }

.ambient {
  position: fixed;
  z-index: -1;
  border-radius: 999px;
  filter: blur(2px);
  pointer-events: none;
}

.ambient-one {
  width: 240px;
  height: 240px;
  top: 25%;
  right: -150px;
  border: 1px solid rgba(23, 32, 31, 0.1);
}

.ambient-two {
  width: 120px;
  height: 120px;
  bottom: 6%;
  left: -68px;
  background: rgba(49, 194, 124, 0.1);
}

.site-header {
  width: min(1240px, calc(100% - 48px));
  height: 78px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto minmax(260px, 1fr) auto auto;
  align-items: center;
  gap: 28px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  width: max-content;
  color: inherit;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand small {
  display: block;
  margin-top: 1px;
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.brand-mark {
  width: 39px;
  height: 39px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 8px 22px rgba(49, 194, 124, 0.24);
}

.brand-mark i {
  width: 3px;
  height: 10px;
  border-radius: 4px;
  background: white;
  animation: brandBeat 1.8s ease-in-out infinite alternate;
}

.brand-mark i:nth-child(2) { height: 21px; }
.brand-mark i:nth-child(3) { height: 15px; }
.brand-mark i:nth-child(2) { animation-delay: -0.6s; }
.brand-mark i:nth-child(3) { animation-delay: -1.2s; }

@keyframes brandBeat {
  to { transform: scaleY(0.62); }
}

.header-pitch {
  justify-self: center;
  min-width: 0;
  text-align: center;
}

.header-pitch strong,
.header-pitch span { display: block; }

.header-pitch strong {
  margin-bottom: 2px;
  font-family: Georgia, "Songti SC", serif;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.04em;
}

.header-pitch em {
  color: var(--coral);
  font-weight: 400;
}

.header-pitch span {
  color: var(--muted);
  font-size: 10px;
}

nav { display: flex; gap: 8px; }

.nav-menu {
  position: relative;
}

.nav-menu summary {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-menu summary::-webkit-details-marker { display: none; }

.nav-link {
  padding: 10px 16px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.2s, background 0.2s, box-shadow 0.2s, transform 0.2s;
}

.nav-link:hover { color: var(--lime-deep); transform: translateY(-1px); }

.nav-link.active {
  color: var(--lime-deep);
  background: white;
  box-shadow: 0 8px 24px rgba(29, 48, 39, 0.08);
}

.nav-menu.active summary {
  color: var(--lime-deep);
  background: white;
  box-shadow: 0 8px 24px rgba(29, 48, 39, 0.08);
}

.nav-caret {
  width: 7px;
  height: 7px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
  transition: transform 0.2s;
}

.nav-menu[open] .nav-caret { transform: translateY(2px) rotate(225deg); }

.friend-nav-menu summary > em {
  min-width: 18px;
  height: 18px;
  display: grid;
  place-items: center;
  margin-left: -3px;
  border-radius: 50%;
  color: white;
  background: var(--lime);
  font-size: 9px;
  font-style: normal;
}

.friend-nav-dropdown {
  position: absolute;
  z-index: 31;
  top: calc(100% + 10px);
  left: 0;
  width: min(350px, calc(100vw - 32px));
  max-height: calc(100vh - 110px);
  padding: 12px;
  border: 1px solid rgba(23, 27, 25, 0.08);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 20px 55px rgba(29, 48, 39, 0.16);
  backdrop-filter: blur(18px);
  overflow-y: auto;
}

.friend-nav-dropdown .friend-section:first-child { margin-top: 0; }

.account-menu {
  position: relative;
  justify-self: end;
}

.account-menu summary {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  cursor: pointer;
}

.account-menu summary::-webkit-details-marker { display: none; }

.account-menu summary > span {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: white;
  background: var(--ink);
  font-size: 12px;
}

.account-menu summary > b { font-size: 12px; }

.account-menu > div {
  position: absolute;
  z-index: 31;
  top: calc(100% + 12px);
  right: 0;
  width: 160px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: white;
  box-shadow: var(--shadow);
}

.account-menu > div small { display: block; margin-bottom: 8px; color: var(--muted); }
.account-menu > div button {
  width: 100%;
  padding: 9px;
  border: 0;
  border-radius: 10px;
  color: #a84940;
  background: rgba(214, 96, 84, 0.08);
  cursor: pointer;
}

.auth-open { overflow: hidden; }

.auth-screen {
  position: fixed;
  z-index: 100;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(circle at 75% 20%, rgba(49, 194, 124, 0.24), transparent 28%),
    rgba(240, 245, 242, 0.9);
  backdrop-filter: blur(20px);
}

.auth-screen[hidden] { display: none; }

.auth-card {
  width: min(430px, 100%);
  padding: 40px;
  border: 1px solid rgba(49, 194, 124, 0.2);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 28px 90px rgba(25, 52, 39, 0.18);
}

.auth-card h1 {
  margin: 10px 0 8px;
  font-family: Georgia, "Songti SC", serif;
  font-size: 35px;
  letter-spacing: -0.05em;
}

.auth-card > p:not(.eyebrow) { color: var(--muted); }
.auth-card form { margin-top: 26px; }
.auth-card form label { display: block; margin-bottom: 15px; }
.auth-card form input { margin-top: 7px; }
.auth-card .primary-button { margin-top: 8px; }

.auth-record {
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: repeating-radial-gradient(circle, #161b19 0 4px, #2b3430 5px 7px);
  box-shadow: 0 12px 30px rgba(23, 27, 25, 0.22);
}

.auth-record i {
  width: 18px;
  height: 18px;
  border: 5px solid var(--lime);
  border-radius: 50%;
  background: white;
}

.auth-toggle {
  width: 100%;
  margin-top: 15px;
  border: 0;
  color: var(--lime-deep);
  background: transparent;
  cursor: pointer;
  font-size: 13px;
}

.auth-guest {
  width: 100%;
  margin-top: 9px;
  padding: 11px;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--muted);
  background: #f7f9f8;
  cursor: pointer;
}

.auth-demo-note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  text-align: center;
  font-size: 11px;
}

.nav-dropdown {
  position: absolute;
  z-index: 30;
  top: calc(100% + 10px);
  right: 0;
  width: 270px;
  padding: 8px;
  border: 1px solid rgba(23, 27, 25, 0.08);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 20px 55px rgba(29, 48, 39, 0.16);
  backdrop-filter: blur(18px);
}

.nav-dropdown button {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 13px;
  border: 0;
  border-radius: 13px;
  text-align: left;
  background: transparent;
  cursor: pointer;
  transition: color 0.18s, background 0.18s;
}

.nav-dropdown button:hover {
  color: var(--lime-deep);
  background: rgba(49, 194, 124, 0.09);
}

.nav-dropdown b,
.nav-dropdown small { display: block; }
.nav-dropdown b { margin-bottom: 4px; font-size: 13px; }
.nav-dropdown small { color: var(--muted); font-size: 10px; }

.nav-dropdown em {
  min-width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  color: var(--lime-deep);
  background: rgba(49, 194, 124, 0.12);
  font-size: 10px;
  font-style: normal;
  font-weight: 800;
}

.nav-link span {
  display: inline-grid;
  place-items: center;
  min-width: 19px;
  height: 19px;
  margin-left: 3px;
  padding: 0 5px;
  border-radius: 999px;
  color: var(--paper);
  background: var(--lime);
  font-size: 11px;
}

.local-status {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-size: 13px;
}

.local-status span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #6bc978;
  box-shadow: 0 0 0 4px rgba(107, 201, 120, 0.15);
}

main {
  width: min(1240px, calc(100% - 48px));
  margin: 0 auto;
  padding: 18px 0 80px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.18em;
}

h1, h2, p { margin-top: 0; }

h1 {
  margin-bottom: 16px;
  font-family: Georgia, "Songti SC", serif;
  font-size: clamp(48px, 7vw, 88px);
  line-height: 0.98;
  letter-spacing: -0.065em;
}

h1 em {
  position: relative;
  color: var(--coral);
  font-weight: 400;
}

.library-head > div > p:last-child {
  max-width: 650px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

.studio-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(360px, 0.82fr);
  gap: 22px;
  align-items: stretch;
}

.inspirations-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}

.inspirations-head h1 {
  margin: 4px 0 8px;
  font-family: Georgia, "Songti SC", serif;
  font-size: clamp(38px, 5vw, 62px);
  letter-spacing: -0.06em;
}

.inspirations-head > div > p:last-child { margin: 0; color: var(--muted); }

.inspirations-layout {
  display: grid;
  grid-template-columns: minmax(300px, 0.82fr) minmax(0, 1.18fr);
  gap: 22px;
  align-items: start;
}

.inspiration-record-card,
.inspiration-list-card {
  padding: clamp(26px, 4vw, 40px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow);
}

.friend-section {
  margin-top: 10px;
  border: 1px solid var(--line);
  border-radius: 17px;
  background: rgba(255, 255, 255, 0.78);
  overflow: hidden;
}

.friend-section > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 16px;
  list-style: none;
  cursor: pointer;
  font-weight: 750;
}

.friend-section > summary::-webkit-details-marker { display: none; }
.friend-section > summary::after {
  content: "⌄";
  order: 2;
  margin-left: 8px;
  color: var(--lime-deep);
  transition: transform 0.2s;
}
.friend-section[open] > summary::after { transform: rotate(180deg); }
.friend-section > summary em {
  min-width: 23px;
  height: 23px;
  display: grid;
  place-items: center;
  margin-left: auto;
  border-radius: 50%;
  color: white;
  background: var(--lime);
  font-size: 11px;
  font-style: normal;
}

.friend-search-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  padding: 0 13px 13px;
}
.friend-search-form input,
.friend-search-form select {
  min-width: 0;
  height: 42px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: white;
  font: inherit;
  font-size: 13px;
}
.friend-search-form select { grid-column: 1; color: var(--muted); }
.friend-search-form button {
  grid-column: 2;
  grid-row: 1 / span 2;
  padding: 0 15px;
  border: 0;
  border-radius: 12px;
  color: white;
  background: var(--lime);
  cursor: pointer;
}

.friend-request-list,
.friend-search-results,
.friend-list { padding: 0 12px 12px; }
.friend-request-list:empty,
.friend-search-results:empty { display: none; }
.friend-empty { margin: 4px 0 10px; color: var(--muted); font-size: 12px; line-height: 1.5; }

.friend-request-card,
.friend-search-result,
.friend-row {
  display: flex;
  align-items: center;
  gap: 9px;
  width: 100%;
  margin-top: 7px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 13px;
  text-align: left;
  background: white;
}
.friend-request-card > div,
.friend-row > span:nth-child(2) { min-width: 0; flex: 1; display: grid; gap: 2px; }
.friend-request-card small,
.friend-row small { overflow: hidden; color: var(--muted); font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.friend-request-card.waiting { opacity: 0.72; }
.friend-avatar {
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #173725;
  background: #dff7e8;
  font-size: 12px;
  font-weight: 800;
}
.friend-request-actions { display: flex; gap: 4px; }
.friend-request-actions button,
.friend-search-result button {
  padding: 7px 9px;
  border: 0;
  border-radius: 9px;
  color: #17683e;
  background: #e8f8ee;
  cursor: pointer;
  font-size: 11px;
}
.friend-request-actions button:last-child { color: var(--muted); background: #f1f1ed; }
.friend-search-result b { min-width: 0; flex: 1; overflow: hidden; text-overflow: ellipsis; }
.friend-search-result button:disabled { color: var(--muted); background: #f1f1ed; cursor: default; }
.friend-row { border: 0; cursor: pointer; }
.friend-row:hover,
.friend-row.active { background: #edf9f1; }
.friend-row em {
  min-width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: white;
  background: var(--lime);
  font-size: 10px;
  font-style: normal;
}
.friend-row i { color: var(--lime-deep); font-size: 20px; font-style: normal; }

.friend-chat { padding: 0 12px 12px; }
.friend-chat > header { display: flex; align-items: center; gap: 8px; padding: 8px 0 12px; }
.friend-chat > header button {
  width: 30px;
  height: 30px;
  border: 0;
  border-radius: 50%;
  color: var(--lime-deep);
  background: #e8f8ee;
  cursor: pointer;
}
.friend-messages {
  height: 260px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 10px;
  border-radius: 14px;
  background: #f5f7f4;
  overflow-y: auto;
}
.friend-message { max-width: 88%; align-self: flex-start; }
.friend-message.mine { align-self: flex-end; text-align: right; }
.friend-message p,
.friend-message a {
  display: grid;
  gap: 3px;
  margin: 0;
  padding: 9px 11px;
  border-radius: 13px 13px 13px 4px;
  color: var(--ink);
  background: white;
  font-size: 12px;
  line-height: 1.5;
  text-decoration: none;
}
.friend-message.mine p,
.friend-message.mine a { border-radius: 13px 13px 4px; background: #dff7e8; }
.friend-message a span { color: var(--lime-deep); font-size: 11px; }
.friend-message small { display: block; margin-top: 3px; color: var(--muted); font-size: 9px; }
.friend-chat > form { display: grid; grid-template-columns: 1fr auto; gap: 7px; margin-top: 9px; }
.friend-chat > form input { min-width: 0; height: 40px; padding: 0 11px; border: 1px solid var(--line); border-radius: 11px; }
.friend-chat > form button,
.share-friend-row button { padding: 0 14px; border: 0; border-radius: 11px; color: white; background: var(--lime); cursor: pointer; }

.inspiration-record-card h2,
.inspiration-list-card h2 { margin: 10px 0 6px; }
.inspiration-record-card > p { margin: 0 0 24px; color: var(--muted); }
.inspiration-record-card label { display: block; }
.inspiration-record-card textarea { min-height: 220px; margin: 8px 0 16px; }

.idea-note-icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--lime-deep);
  background: rgba(49, 194, 124, 0.11);
  font-size: 20px;
}

.inspiration-list-head,
.inspiration-record > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.inspiration-list-head { margin-bottom: 18px; }
.inspiration-list-head h2 { margin: 3px 0 0; }
.inspiration-list-head > span { color: var(--muted); font-size: 12px; }
.inspiration-record-list { display: grid; gap: 11px; }

.inspiration-record {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(247, 250, 248, 0.85);
}

.inspiration-mode {
  display: inline-block;
  margin-bottom: 9px;
  padding: 4px 8px;
  border-radius: 999px;
  color: var(--lime-deep);
  background: rgba(49, 194, 124, 0.1);
  font-size: 10px;
  font-weight: 700;
}
.inspiration-record > p {
  display: -webkit-box;
  overflow: hidden;
  margin: 0 0 16px;
  line-height: 1.7;
  white-space: pre-wrap;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 6;
}
.inspiration-record small { color: var(--muted); }
.inspiration-record > div span { display: flex; gap: 7px; }
.inspiration-record button {
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: white;
  cursor: pointer;
  font-size: 11px;
}
.inspiration-record button:first-child { color: var(--lime-deep); border-color: rgba(49, 194, 124, 0.25); }
.empty-inspirations { padding: 60px 20px; color: var(--muted); text-align: center; }
.empty-inspirations span { display: block; margin-bottom: 8px; color: var(--lime); font-size: 28px; }

.composer-card,
.review-panel,
.preview-panel {
  min-height: 600px;
  border: 1px solid rgba(23, 27, 25, 0.08);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.composer-card {
  padding: clamp(26px, 4vw, 46px);
  background: var(--card);
  backdrop-filter: blur(20px);
}

.review-panel {
  padding: clamp(26px, 4vw, 46px);
  background: var(--card);
  backdrop-filter: blur(20px);
}

.review-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 26px;
}

.review-heading h2 { margin: 0 0 8px; font-size: 28px; }
.review-heading p:last-child { margin: 0; color: var(--muted); line-height: 1.6; }

.review-back {
  flex: 0 0 auto;
  padding: 9px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: white;
  cursor: pointer;
}

.comment-form {
  padding: 20px;
  border: 1px solid rgba(49, 194, 124, 0.16);
  border-radius: 18px;
  background: rgba(49, 194, 124, 0.045);
}

.comment-fields {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 12px;
}

.comment-form label { display: block; margin-bottom: 14px; }
.comment-form input[readonly] { color: var(--lime-deep); background: rgba(49, 194, 124, 0.06); cursor: default; }
.comment-form textarea { min-height: 112px; padding-bottom: 20px; }
.comment-form .primary-button { min-height: 48px; }

.comment-history { margin-top: 28px; }

.comment-history-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.comment-history-head h3 { margin: 0; font-size: 17px; }
.comment-history-head span { color: var(--muted); font-size: 11px; }
.comment-list { display: grid; gap: 10px; }

.comment-card {
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.75);
}

.comment-card-head,
.comment-card-footer,
.comment-status-actions {
  display: flex;
  align-items: center;
}

.comment-card-head { justify-content: space-between; gap: 10px; }
.comment-card-head strong { font-size: 13px; }
.comment-card p { margin: 10px 0 13px; color: #4e5652; font-size: 13px; line-height: 1.65; }
.comment-card-footer { justify-content: space-between; gap: 12px; }
.comment-card small { color: var(--muted); font-size: 10px; }
.comment-status-actions { gap: 6px; }

.comment-status-actions button {
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: white;
  cursor: pointer;
  font-size: 10px;
}

.comment-status-actions button.accepted {
  border-color: rgba(49, 194, 124, 0.35);
  color: var(--lime-deep);
  background: rgba(49, 194, 124, 0.1);
}

.comment-status-actions button.rejected {
  border-color: rgba(214, 96, 84, 0.28);
  color: #ba574d;
  background: rgba(214, 96, 84, 0.08);
}

.comment-status {
  padding: 5px 8px;
  border-radius: 999px;
  color: var(--muted);
  background: #eef1ef;
  font-size: 10px;
}

.comment-status.accepted { color: var(--lime-deep); background: rgba(49, 194, 124, 0.12); }
.comment-status.rejected { color: #ba574d; background: rgba(214, 96, 84, 0.1); }

.comment-replies {
  display: grid;
  gap: 7px;
  margin-top: 13px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
}

.comment-reply {
  padding: 10px 12px;
  border-radius: 11px;
  background: rgba(49, 194, 124, 0.055);
}

.comment-reply p { margin: 4px 0 0; font-size: 12px; }
.comment-reply small b { color: var(--lime-deep); }

.comment-reply-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 7px;
}

.comment-reply-form input {
  min-height: 36px;
  padding: 8px 11px;
  border-radius: 10px;
  font-size: 11px;
}

.comment-reply-form button {
  padding: 0 14px;
  border: 0;
  border-radius: 10px;
  color: white;
  background: var(--ink);
  cursor: pointer;
  font-size: 11px;
}

.card-heading {
  display: flex;
  align-items: flex-start;
  gap: 17px;
  margin-bottom: 28px;
}

.step-number {
  display: grid;
  place-items: center;
  flex: 0 0 38px;
  height: 38px;
  border: 1px solid rgba(49, 194, 124, 0.28);
  border-radius: 50%;
  color: var(--lime-deep);
  background: rgba(49, 194, 124, 0.08);
  box-shadow: 0 8px 20px rgba(49, 194, 124, 0.12);
}

.step-number svg {
  width: 20px;
  height: 20px;
  overflow: visible;
}

.step-number path {
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.step-number circle {
  fill: currentColor;
}

.card-heading h2,
.preview-panel h2,
dialog h2 {
  margin-bottom: 8px;
  font-size: 24px;
  letter-spacing: -0.04em;
}

.card-heading p,
.preview-panel > p:last-child,
dialog > form > p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.65;
}

.inspiration-field {
  position: relative;
  display: block;
  margin-bottom: 27px;
}

textarea,
select,
input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 15px;
  outline: none;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.64);
  transition: border-color 0.2s, box-shadow 0.2s;
}

textarea:focus,
select:focus,
input:focus {
  border-color: rgba(49, 194, 124, 0.7);
  box-shadow: 0 0 0 4px rgba(49, 194, 124, 0.14);
}

textarea {
  min-height: 150px;
  padding: 20px 20px 38px;
  resize: vertical;
  line-height: 1.7;
}

#inspiration::placeholder {
  color: rgba(23, 27, 25, 0.42);
  font-size: 11px;
  line-height: 1.8;
  opacity: 1;
}

.field-footer {
  position: absolute;
  right: 16px;
  bottom: 14px;
  color: #a0a5a2;
  font-size: 12px;
}

.field-footer b { color: var(--ink); }
.field-group { margin-bottom: 26px; }

.field-label {
  display: block;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.choice-row { display: flex; flex-wrap: wrap; gap: 9px; }

.creation-switch {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.mode-option {
  min-height: 88px;
  padding: 13px 10px;
  border: 1px solid var(--line);
  border-radius: 15px;
  text-align: left;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

.mode-option:hover,
.provider-option:hover {
  border-color: rgba(49, 194, 124, 0.38);
  box-shadow: 0 12px 28px rgba(29, 48, 39, 0.08);
  transform: translateY(-2px);
}

.mode-option.active {
  border-color: var(--lime);
  box-shadow: inset 0 0 0 1px var(--lime), 0 12px 30px rgba(49, 194, 124, 0.12);
  background: linear-gradient(145deg, rgba(49, 194, 124, 0.16), rgba(255, 255, 255, 0.82));
}

.mode-icon {
  display: block;
  margin-bottom: 8px;
  font-size: 17px;
  font-weight: 800;
}

.mode-icon svg {
  display: block;
  width: 19px;
  height: 19px;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.mode-option b,
.mode-option small { display: block; }
.mode-option b { margin-bottom: 4px; font-size: 13px; }
.mode-option small { color: var(--muted); font-size: 10px; line-height: 1.35; }

.provider-switch {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.provider-option {
  min-height: 70px;
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-radius: 15px;
  text-align: left;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

.provider-option.active {
  border-color: var(--lime);
  box-shadow: inset 0 0 0 1px var(--lime), 0 12px 30px rgba(49, 194, 124, 0.12);
  background: linear-gradient(145deg, rgba(49, 194, 124, 0.16), rgba(255, 255, 255, 0.82));
}

.provider-option:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.provider-icon {
  flex: 0 0 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  color: var(--paper);
  background: linear-gradient(145deg, var(--lime), var(--lime-deep));
  box-shadow: 0 7px 18px rgba(49, 194, 124, 0.22);
  font-size: 11px;
  font-weight: 800;
}

.provider-option b,
.provider-option small { display: block; }
.provider-option b { margin-bottom: 4px; font-size: 13px; }
.provider-option small { color: var(--muted); font-size: 10px; line-height: 1.35; }

.field-help {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.5;
}

.lyrics-assistant {
  margin: -9px 0 26px;
  padding: 15px;
  border: 1px solid rgba(102, 88, 215, 0.24);
  border-radius: 15px;
  background: rgba(102, 88, 215, 0.06);
}

.assistant-heading,
.assistant-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.assistant-heading { margin-bottom: 12px; }
.assistant-heading > span:last-child { min-width: 0; }
.assistant-heading b,
.assistant-heading small { display: block; }
.assistant-heading b { margin-bottom: 2px; font-size: 13px; }
.assistant-heading small,
.lyrics-assistant > small { color: var(--muted); font-size: 10px; }

.deepseek-mark {
  display: grid;
  place-items: center;
  flex: 0 0 34px;
  height: 34px;
  border-radius: 10px;
  color: white;
  background: #6255d8;
  font-size: 10px;
  font-weight: 800;
}

.assistant-actions { margin-bottom: 8px; }
.assistant-actions select {
  appearance: none;
  -webkit-appearance: none;
  flex: 1;
  height: 49px;
  padding: 0 48px 0 16px;
  border-color: rgba(98, 85, 216, 0.2);
  border-radius: 14px;
  color: rgba(23, 27, 25, 0.6);
  background-color: rgba(255, 255, 255, 0.78);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 28 28'%3E%3Ccircle cx='14' cy='14' r='13.5' fill='%23f1effb' stroke='%23ddd9f5'/%3E%3Cpath d='m9.5 11.5 4.5 4.5 4.5-4.5' fill='none' stroke='%236255d8' stroke-width='1.7' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 27px 27px;
  box-shadow: 0 7px 20px rgba(29, 48, 39, 0.04);
  font-size: 10px;
  cursor: pointer;
}

.assistant-actions select:hover {
  border-color: rgba(98, 85, 216, 0.42);
  color: rgba(23, 27, 25, 0.74);
  background-color: white;
}

.assistant-actions select:focus {
  border-color: #6255d8;
  color: rgba(23, 27, 25, 0.78);
  background-color: white;
  box-shadow: 0 0 0 4px rgba(98, 85, 216, 0.1);
}

.assistant-actions button {
  height: 49px;
  padding: 0 17px;
  border: 0;
  border-radius: 13px;
  color: white;
  background: #6255d8;
  font-weight: 700;
  cursor: pointer;
}
.assistant-actions button:disabled { opacity: 0.45; cursor: not-allowed; }

.choice {
  padding: 9px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
  transition: transform 0.15s, border-color 0.15s, color 0.15s, background 0.15s;
}

.choice:hover { border-color: rgba(49, 194, 124, 0.5); color: var(--lime-deep); transform: translateY(-1px); }
.choice.active { border-color: var(--lime); color: white; background: var(--lime); }

.settings-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 28px;
}

select, input { height: 49px; padding: 0 15px; }

.settings-row label {
  min-width: 0;
}

.settings-row select {
  appearance: none;
  -webkit-appearance: none;
  height: 54px;
  padding: 0 52px 0 17px;
  border: 1px solid rgba(23, 27, 25, 0.1);
  border-radius: 16px;
  background-color: rgba(255, 255, 255, 0.94);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 28 28'%3E%3Ccircle cx='14' cy='14' r='14' fill='%23eef9f3'/%3E%3Cpath d='m9.5 11.5 4.5 4.5 4.5-4.5' fill='none' stroke='%2331c27c' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 28px 28px;
  box-shadow: 0 8px 24px rgba(29, 48, 39, 0.05);
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s, background-color 0.2s, transform 0.2s;
}

.settings-row select:hover {
  border-color: rgba(49, 194, 124, 0.4);
  background-color: white;
  box-shadow: 0 10px 26px rgba(49, 194, 124, 0.1);
  transform: translateY(-1px);
}

.settings-row select:focus {
  border-color: var(--lime);
  background-color: white;
  box-shadow: 0 0 0 4px rgba(49, 194, 124, 0.12), 0 12px 28px rgba(49, 194, 124, 0.1);
  outline: 0;
}

.primary-button,
.outline-button,
.draft-button {
  border-radius: 15px;
  cursor: pointer;
  font-weight: 700;
  transition: transform 0.15s, box-shadow 0.15s;
}

.creation-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.draft-button {
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px;
  border: 1px solid rgba(49, 194, 124, 0.35);
  color: var(--lime-deep);
  background: rgba(49, 194, 124, 0.08);
}

.draft-button b {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: white;
  background: var(--lime-deep);
}

.primary-button {
  position: relative;
  overflow: hidden;
  width: 100%;
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 21px;
  border: 0;
  color: white;
  background: linear-gradient(120deg, var(--lime-deep), var(--lime));
  box-shadow: 0 12px 30px rgba(49, 194, 124, 0.24);
}

.primary-button:hover,
.outline-button:hover,
.draft-button:hover {
  box-shadow: 0 14px 32px rgba(29, 48, 39, 0.12);
  transform: translateY(-2px);
}

.primary-button::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 30%, rgba(255, 255, 255, 0.34), transparent 70%);
  transform: translateX(-110%);
  transition: transform 0.55s ease;
}

.primary-button:hover::after { transform: translateX(110%); }
.primary-button > * { position: relative; z-index: 1; }

.primary-button b {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  color: var(--lime-deep);
  background: white;
}

.primary-button:disabled {
  cursor: wait;
  opacity: 0.7;
  transform: none;
}

.draft-button:disabled { cursor: wait; opacity: 0.65; transform: none; }

.primary-button.is-generating {
  cursor: pointer;
  background: linear-gradient(110deg, #1cae6a, #49d490, #1cae6a);
  background-size: 200% 100%;
  animation: generatingButton 1.8s linear infinite;
}

.primary-button.is-generating b { animation: pausePulse 0.9s ease-in-out infinite alternate; }

@keyframes generatingButton { to { background-position: -200% 0; } }
@keyframes pausePulse { to { transform: scale(0.88); } }

.free-note {
  margin: 14px 0 0;
  text-align: center;
  color: var(--muted);
  font-size: 11px;
}

.free-note span { color: #3eaa59; }

.preview-panel {
  position: relative;
  overflow: hidden;
  padding: 36px;
  color: #f4f1e9;
  border-color: rgba(49, 194, 124, 0.2);
  background:
    radial-gradient(circle at 82% 4%, rgba(49, 194, 124, 0.17), transparent 25%),
    linear-gradient(155deg, #19211e 0%, #101513 72%);
  box-shadow: 0 24px 64px rgba(12, 26, 20, 0.2);
}

.preview-panel::before {
  content: "";
  position: absolute;
  z-index: 0;
  width: 220px;
  height: 220px;
  right: -110px;
  top: 24%;
  border: 1px solid rgba(49, 194, 124, 0.2);
  border-radius: 50%;
  box-shadow: 0 0 70px rgba(49, 194, 124, 0.08);
  animation: previewFloat 7s ease-in-out infinite alternate;
}

.preview-panel > * { position: relative; z-index: 1; }

@keyframes previewFloat {
  to { transform: translate(-24px, 42px) scale(1.08); }
}

.preview-panel.result-state {
  display: flex;
  align-items: center;
  padding: 0;
}

.result-content {
  display: grid;
  grid-template-rows: auto clamp(120px, 16%, 180px) auto auto minmax(220px, 1fr) auto;
  gap: clamp(4px, 0.8vh, 10px);
  width: 90%;
  height: 90%;
  margin: auto;
  min-height: 0;
  transform: translateY(-1.5%);
  animation: resultReveal 0.5s ease-out both;
}

@keyframes resultReveal {
  from { opacity: 0; transform: translateY(1.5%); }
  to { opacity: 1; transform: translateY(-1.5%); }
}

.result-content > * {
  min-width: 0;
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.empty-state .eyebrow { margin-top: 26px; color: rgba(255, 255, 255, 0.45); }
.empty-state > p:last-child { max-width: 360px; color: rgba(255, 255, 255, 0.52); }

.empty-art {
  position: relative;
  display: grid;
  place-items: center;
  width: 210px;
  height: 210px;
}

.record {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: repeating-radial-gradient(circle, #252f2e 0 3px, #141b1a 4px 8px);
  box-shadow: 0 25px 40px rgba(45, 37, 28, 0.12);
  animation: spin 12s linear infinite;
}

.record::after {
  content: "";
  position: absolute;
  inset: 76px;
  border: 12px solid var(--coral);
  border-radius: 50%;
  background: var(--paper);
}

@keyframes spin { to { transform: rotate(360deg); } }

.empty-wave {
  position: absolute;
  right: -15px;
  bottom: 14px;
  height: 62px;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 15px;
  border-radius: 16px;
  background: var(--lime);
}

.empty-wave i {
  width: 3px;
  height: 19px;
  border-radius: 3px;
  background: var(--ink);
}

.empty-wave i:nth-child(2),
.empty-wave i:nth-child(6) { height: 32px; }
.empty-wave i:nth-child(3),
.empty-wave i:nth-child(5) { height: 43px; }
.empty-wave i:nth-child(4) { height: 26px; }

.result-top {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

.result-top h2 {
  max-width: 320px;
  margin: 2px 0 8px;
  font-family: Georgia, "Songti SC", serif;
  font-size: clamp(28px, 2.4vw, 34px);
  line-height: 1.15;
}

.result-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  color: rgba(255, 255, 255, 0.56);
  font-size: 10px;
}

.result-meta span {
  padding: 3px 7px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
}

.version-badge {
  flex: 0 0 auto;
  height: max-content;
  padding: 7px 10px;
  border-radius: 8px;
  color: white;
  background: var(--lime);
  font-size: 11px;
  font-weight: 800;
}

.result-version-selector {
  position: relative;
  flex: 0 0 auto;
}

.result-version-selector summary,
.card-version-selector summary {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  cursor: pointer;
}

.result-version-selector summary::-webkit-details-marker,
.card-version-selector summary::-webkit-details-marker { display: none; }

.result-version-selector summary i,
.card-version-selector summary i {
  width: 6px;
  height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
  transition: transform 0.18s;
}

.result-version-selector[open] summary i,
.card-version-selector[open] summary i { transform: translateY(2px) rotate(225deg); }

.result-version-dropdown,
.card-version-dropdown {
  position: absolute;
  z-index: 20;
  top: calc(100% + 8px);
  right: 0;
  width: 190px;
  padding: 7px;
  border-radius: 14px;
  box-shadow: 0 18px 45px rgba(45, 37, 28, 0.12);
}

.result-version-dropdown {
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(25, 33, 30, 0.98);
}

.result-version-dropdown button,
.card-version-dropdown button {
  width: 100%;
  padding: 10px;
  border: 0;
  border-radius: 10px;
  text-align: left;
  background: transparent;
  cursor: pointer;
}

.result-version-dropdown b,
.result-version-dropdown small,
.card-version-dropdown b,
.card-version-dropdown small { display: block; }

.result-version-dropdown b,
.card-version-dropdown b { margin-bottom: 3px; font-size: 11px; }
.result-version-dropdown small,
.card-version-dropdown small { color: var(--muted); font-size: 9px; }
.result-version-dropdown button { color: rgba(255, 255, 255, 0.84); }
.result-version-dropdown button:hover,
.result-version-dropdown button.active { color: white; background: rgba(49, 194, 124, 0.16); }

.waveform {
  width: 100%;
  height: 100%;
  min-height: 0;
  max-height: 112px;
  align-self: center;
  display: flex;
  align-items: center;
  gap: 3px;
  margin: 0;
  overflow: hidden;
}

.waveform i {
  flex: 1;
  min-width: 2px;
  height: var(--h);
  border-radius: 2px;
  opacity: 0.42;
  background: var(--lime);
  transform: scaleY(0.55);
  transition: transform 0.3s, opacity 0.3s;
}

.preview-panel:not(.playing) .waveform i {
  animation: idleWave 2.4s ease-in-out infinite alternate;
  animation-delay: calc(var(--n) * -55ms);
}

@keyframes idleWave {
  to { opacity: 0.72; transform: scaleY(0.76); }
}

.preview-panel.playing .waveform i {
  opacity: 0.85;
  transform: scaleY(1);
  animation: pulse 0.8s ease-in-out infinite alternate;
  animation-delay: calc(var(--n) * -40ms);
}

@keyframes pulse { to { transform: scaleY(0.55); } }

.player {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 13px;
  margin: 0;
}

.play-button {
  width: 48px;
  height: 48px;
  border: 0;
  border-radius: 50%;
  color: var(--ink);
  background: var(--lime);
  cursor: pointer;
  font-size: 18px;
  box-shadow: 0 10px 28px rgba(49, 194, 124, 0.26);
  transition: transform 0.2s, box-shadow 0.2s;
}

.play-button:hover {
  box-shadow: 0 14px 34px rgba(49, 194, 124, 0.34);
  transform: scale(1.06);
}

.seek {
  position: relative;
  height: 18px;
  border-radius: 9px;
  background: transparent;
  cursor: pointer;
  touch-action: none;
}

.seek::before {
  content: "";
  position: absolute;
  inset: 7px 0 6px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.14);
}

.seek span {
  position: absolute;
  z-index: 1;
  top: 7px;
  left: 0;
  width: 0;
  height: 5px;
  border-radius: 6px;
  background: var(--lime);
}

.seek span::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -6px;
  width: 12px;
  height: 12px;
  border: 2px solid var(--ink);
  border-radius: 50%;
  background: var(--lime);
  opacity: 0;
  transform: translateY(-50%);
  transition: opacity 0.15s, transform 0.15s;
}

.seek:hover span::after,
.seek:focus-visible span::after,
.seek.dragging span::after { opacity: 1; transform: translateY(-50%) scale(1.08); }
.seek:focus-visible { outline: 2px solid rgba(49, 194, 124, 0.6); outline-offset: 2px; }

.time { color: rgba(255, 255, 255, 0.55); font-size: 11px; }

.result-tabs {
  display: flex;
  gap: 6px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.result-tab {
  padding: 9px 10px;
  border: 0;
  border-bottom: 2px solid transparent;
  color: rgba(255, 255, 255, 0.5);
  background: transparent;
  cursor: pointer;
}

.result-tab { transition: color 0.2s, border-color 0.2s; }
.result-tab:hover { color: rgba(255, 255, 255, 0.82); }
.result-tab.active { border-color: var(--lime); color: white; }

.result-body {
  height: auto;
  min-height: 0;
  padding: 18px 2px 4px;
  overflow: auto;
  scrollbar-width: thin;
}

.lyrics-section { margin-bottom: 16px; }
.lyrics-section b { color: var(--lime); font-size: 11px; }
.lyrics-section p { margin: 7px 0 0; color: rgba(255, 255, 255, 0.76); line-height: 1.75; font-size: 13px; }
.arrangement { color: rgba(255, 255, 255, 0.7); line-height: 1.8; font-size: 13px; }

.result-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 0;
}

.result-actions button {
  min-height: 42px;
  padding: 7px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 11px;
  color: white;
  background: rgba(255, 255, 255, 0.06);
  cursor: pointer;
  font-size: 12px;
  transition: transform 0.2s, border-color 0.2s, background 0.2s;
}

.result-actions button:hover { border-color: rgba(49, 194, 124, 0.55); transform: translateY(-2px); }
.result-actions button.accent { border-color: var(--lime); color: white; background: var(--lime); }
.result-actions button.danger { color: #f1aaa3; }

.generating {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: grid;
  place-items: center;
  padding: 40px;
  text-align: center;
  color: var(--paper);
  background: var(--ink);
}

.generating h2 { margin: 22px 0 9px; }
.generating p { color: rgba(255, 255, 255, 0.55); }
.generating > div { width: min(100%, 620px); }

.orb {
  position: relative;
  width: 150px;
  height: 150px;
  margin: 0 auto;
  border-radius: 50%;
  background:
    repeating-radial-gradient(circle, #202522 0 2px, #0c100e 3px 6px),
    #0c100e;
  box-shadow:
    0 0 0 12px rgba(49, 194, 124, 0.05),
    0 24px 55px rgba(45, 37, 28, 0.12),
    0 0 70px rgba(49, 194, 124, 0.12);
  animation: vinylSpin 3.2s linear infinite;
}

.orb::before {
  content: "";
  position: absolute;
  inset: 34%;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: radial-gradient(circle, #f6f8f7 0 8%, #101513 9% 16%, var(--lime) 17% 100%);
  box-shadow: 0 0 18px rgba(49, 194, 124, 0.2);
}

.orb::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(
    from 25deg,
    transparent 0 12%,
    rgba(255, 255, 255, 0.13) 16%,
    transparent 23% 61%,
    rgba(255, 255, 255, 0.06) 66%,
    transparent 72%
  );
  mix-blend-mode: screen;
}

@keyframes vinylSpin { to { transform: rotate(360deg); } }

.library-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 42px;
}

.library-head h1 { font-size: clamp(48px, 7vw, 76px); }
#library-view.received-library .library-head h1 { font-size: clamp(34px, 5vw, 54px); }

.outline-button {
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid var(--ink);
  background: transparent;
}

.project-list { display: grid; gap: 18px; }

.project-card {
  position: relative;
  display: grid;
  grid-template-columns: 80px minmax(0, 1fr) auto;
  gap: 22px;
  align-items: center;
  padding: 22px;
  border: 1px solid rgba(23, 27, 25, 0.08);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 12px 38px rgba(25, 33, 31, 0.06);
  transition: transform 0.22s, border-color 0.22s, box-shadow 0.22s;
}

.project-card:has(.card-version-selector[open]) { z-index: 5; }

.project-card:hover {
  border-color: rgba(49, 194, 124, 0.22);
  box-shadow: 0 20px 48px rgba(29, 48, 39, 0.12);
  transform: translateY(-3px);
}

.project-cover {
  position: relative;
  width: 80px;
  height: 80px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background: var(--cover, var(--violet));
  overflow: hidden;
}

.project-cover::before,
.project-cover::after {
  content: "";
  position: absolute;
  width: 60px;
  height: 60px;
  border: 10px solid rgba(255, 255, 255, 0.24);
  border-radius: 50%;
}

.project-cover::after {
  width: 16px;
  height: 16px;
  border: 0;
  background: var(--paper);
}

.project-info h2 { margin: 0 0 8px; font-size: 21px; }
.project-info p { margin: 0 0 10px; color: var(--muted); }
.project-info small { color: #909591; }

.version-row { display: flex; flex-wrap: wrap; gap: 7px; }

.card-version-selector { position: relative; }

.card-version-dropdown {
  right: auto;
  left: 0;
  border: 1px solid var(--line);
  background: white;
  box-shadow: 0 16px 38px rgba(29, 48, 39, 0.14);
}

.card-version-dropdown button:hover,
.card-version-dropdown button.active {
  color: var(--lime-deep);
  background: rgba(49, 194, 124, 0.09);
}

.version-chip {
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
  font-size: 11px;
}

.version-chip.featured { border-color: var(--lime); color: white; background: var(--lime); }

.project-actions { display: flex; gap: 8px; }

.version-collaboration {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.version-collaboration:empty { display: none; }
.co-created-mark {
  width: fit-content;
  padding: 5px 9px;
  border-radius: 999px;
  color: #17683e;
  background: #e5f7eb;
  font-size: 10px;
  font-weight: 800;
}
.co-creator-avatars {
  display: inline-flex;
  align-items: center;
  padding: 0;
  border: 0;
}
.co-creator-avatars i {
  width: 23px;
  height: 23px;
  display: grid;
  place-items: center;
  margin-left: -5px;
  border: 2px solid white;
  border-radius: 50%;
  color: white;
  background: var(--lime-deep);
  font-size: 9px;
  font-style: normal;
  font-weight: 800;
}
.co-creator-avatars i:first-child { margin-left: 0; }
.result-meta .co-created-mark { color: white; background: rgba(49, 194, 124, 0.25); }
.result-meta .co-creator-avatars { padding: 0; border: 0; }
.result-meta .co-creator-avatars i { border-color: #18211d; }

.collaboration-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  align-items: start;
}
.collaboration-columns .collaboration-section + .collaboration-section { margin-top: 0; }
.collaboration-columns .collaboration-list { grid-template-columns: 1fr; }
.collaboration-columns + .collaboration-section { margin-top: 34px; }
.collaboration-empty {
  min-height: 170px;
  display: grid;
  place-items: center;
  padding: 24px;
  border: 1px dashed rgba(49, 194, 124, 0.28);
  border-radius: 22px;
  color: var(--muted);
  text-align: center;
  background: rgba(255, 255, 255, 0.5);
}
.integrated-card .version-collaboration { margin-left: auto; }

.collaboration-section { display: grid; gap: 18px; }
.collaboration-section + .collaboration-section { margin-top: 26px; }
.collaboration-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.collaboration-section-head h2 { margin: 0 0 5px; font-size: 24px; }
.collaboration-section-head p { margin: 0; color: var(--muted); }
.primary-button.compact { width: auto; min-height: 48px; padding: 0 20px; }
.collaboration-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.collaboration-card {
  display: grid;
  gap: 13px;
  padding: 22px;
  border: 1px solid rgba(49, 194, 124, 0.18);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 12px 34px rgba(29, 48, 39, 0.06);
}
.collaboration-card-head,
.collaboration-meta { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.collaboration-card h3 { margin: 0; font-size: 21px; }
.collaboration-source,
.collaboration-meta { margin: 0; color: var(--muted); font-size: 12px; }
.collaboration-card blockquote {
  min-height: 54px;
  margin: 0;
  padding: 13px 15px;
  border-left: 3px solid var(--lime);
  border-radius: 0 12px 12px 0;
  color: #4f5853;
  background: rgba(49, 194, 124, 0.06);
  line-height: 1.65;
}
.collaboration-card audio { width: 100%; height: 40px; }
.collaboration-select { display: flex; align-items: center; gap: 8px; color: var(--lime-deep); cursor: pointer; font-size: 12px; }
.collaboration-select input { width: 17px; height: 17px; accent-color: var(--lime); }
.scope-chip,
.role-chip,
.adopt-state {
  width: fit-content;
  padding: 5px 9px;
  border-radius: 999px;
  color: var(--lime-deep);
  background: rgba(49, 194, 124, 0.1);
  font-size: 11px;
}
.adopt-button {
  min-height: 40px;
  border: 1px solid var(--line);
  color: var(--ink);
  background: transparent;
}
.adopt-button.adopted { border-color: var(--lime); color: white; background: var(--lime); }

.project-actions button {
  min-height: 40px;
  padding: 0 13px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: transparent;
  cursor: pointer;
}

.project-actions .listen { border-color: var(--lime); color: white; background: var(--lime); }
.project-actions button:disabled { opacity: 0.48; cursor: not-allowed; }
.shared-cover::after {
  content: "↗";
  z-index: 1;
  width: auto;
  height: auto;
  color: white;
  background: transparent;
  font-size: 22px;
  font-weight: 800;
}
.empty-library { padding: 80px 20px; text-align: center; color: var(--muted); }
.empty-library h2 { color: var(--ink); }

.editor-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 26px;
}
.editor-head h1 {
  margin: 4px 0 8px;
  font-family: Georgia, "Songti SC", serif;
  font-size: clamp(42px, 6vw, 66px);
}
.editor-head > div > p:last-child { margin: 0; color: var(--muted); }
.version-editor {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.editor-card {
  display: grid;
  gap: 18px;
  padding: clamp(24px, 3vw, 34px);
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 14px 38px rgba(29, 48, 39, 0.07);
}
.editor-basics,
.editor-tracks,
.editor-save { grid-column: 1 / -1; }
.editor-section-title { display: flex; align-items: center; gap: 13px; }
.editor-section-title > span {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  flex: 0 0 38px;
  border-radius: 50%;
  color: var(--lime-deep);
  background: #e9f8ee;
  font-size: 11px;
  font-weight: 800;
}
.editor-section-title h2 { margin: 0 0 3px; font-size: 21px; }
.editor-section-title p { margin: 0; color: var(--muted); font-size: 12px; }
.editor-card > label,
.editor-fields label { display: grid; gap: 8px; }
.editor-card > label textarea { min-height: 240px; }
.editor-card audio { width: 100%; }
.editor-fields { display: grid; gap: 14px; }
.editor-fields.two-columns { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.editor-fields.three-columns { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.editor-fields textarea { min-height: 105px; }
.editor-fields .full-column { grid-column: 1 / -1; }
.editor-save { margin-top: 4px; }
.stem-toolbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  border-radius: 18px;
  background: #f4faf6;
}
.stem-toolbar .outline-button { flex: 0 0 auto; min-height: 44px; }
.stem-toolbar p { margin: 0; color: var(--muted); font-size: 12px; }
.stem-toolbar a,
.stem-note a { color: var(--lime-deep); font-weight: 700; }
.stem-workspace {
  display: grid;
  gap: 14px;
  min-width: 0;
}
.stem-workspace[hidden] { display: none; }
.stem-list {
  display: grid;
  overflow: hidden;
  border: 1px solid #dfe6e1;
  border-radius: 18px;
  background: #f4f6f4;
}
.stem-timeline-head,
.stem-track-row {
  display: grid;
  grid-template-columns: 245px minmax(520px, 1fr);
}
.stem-timeline-head {
  min-height: 38px;
  color: #7d8781;
  background: #e9eeeb;
  font-size: 10px;
}
.stem-timeline-head > span { display: flex; align-items: center; padding: 0 16px; border-right: 1px solid #d6ddd9; font-weight: 800; }
.stem-timeline-head > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 13px;
  background-image: linear-gradient(90deg, rgba(22, 41, 31, 0.07) 1px, transparent 1px);
  background-size: calc(100% / 12) 100%;
}
.stem-timeline-head i { font-style: normal; }
.stem-track-row {
  min-height: 86px;
  border-top: 1px solid #dde4e0;
  transition: background 0.18s;
}
.stem-track-row.active { background: #eef9f2; }
.stem-track-row.muted .stem-region { opacity: 0.48; filter: grayscale(0.6); }
.stem-track-header {
  display: grid;
  grid-template-columns: 34px minmax(70px, 1fr) auto;
  grid-template-rows: 1fr auto;
  gap: 5px 9px;
  align-items: center;
  padding: 10px 12px;
  border-right: 1px solid #d6ddd9;
  background: rgba(255, 255, 255, 0.78);
}
.stem-track-name {
  display: grid;
  gap: 2px;
  padding: 0;
  border: 0;
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  text-align: left;
}
.stem-track-name small { color: var(--muted); font-size: 9px; }
.stem-track-toggles { display: flex; gap: 4px; }
.stem-track-toggles button {
  width: 25px;
  height: 25px;
  padding: 0;
  border: 1px solid #d6ddd9;
  border-radius: 7px;
  color: #66716b;
  background: white;
  cursor: pointer;
  font-size: 9px;
  font-weight: 900;
}
.stem-track-toggles button.active { border-color: var(--lime); color: white; background: var(--lime); }
.stem-track-header input[type="range"] {
  grid-column: 2 / -1;
  width: 100%;
  height: 4px;
  accent-color: var(--lime);
}
.stem-icon {
  grid-row: 1 / -1;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: white;
  background: var(--lime);
  font-size: 12px;
}
.stem-region {
  position: relative;
  min-width: 0;
  padding: 13px 15px;
  overflow: hidden;
  border: 0;
  color: white;
  background:
    linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(135deg, #27a968, #31c27c);
  background-size: calc(100% / 12) 100%, 100% 100%;
  cursor: pointer;
  text-align: left;
}
.stem-region.active { box-shadow: inset 0 0 0 3px #dfffea; }
.stem-region-label {
  position: absolute;
  z-index: 1;
  top: 7px;
  left: 10px;
  font-size: 9px;
  font-weight: 800;
  opacity: 0.8;
}
.stem-waveform {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 2px;
  padding-top: 8px;
}
.stem-waveform i {
  width: 3px;
  height: var(--wave);
  min-height: 5px;
  flex: 1 1 3px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.76);
}
.stem-inspector {
  display: grid;
  grid-template-columns: minmax(120px, 0.45fr) minmax(260px, 1fr) minmax(180px, 0.7fr);
  gap: 14px 20px;
  align-items: center;
  padding: 17px 19px;
  border: 1px solid rgba(49, 194, 124, 0.2);
  border-radius: 18px;
  background: white;
}
.stem-inspector h3 { margin: 3px 0 0; font-size: 20px; }
.stem-inspector audio { width: 100%; }
.stem-inspector label { display: grid; gap: 8px; }
.stem-inspector input[type="range"] { width: 100%; accent-color: var(--lime); }
.stem-inspector .stem-mute {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 11px 13px;
  border-radius: 12px;
  background: #f7f8f6;
}
.stem-inspector .stem-mute input { width: 17px; height: 17px; accent-color: var(--lime); }
.stem-note { margin: 0; color: var(--muted); font-size: 12px; }

dialog {
  width: min(480px, calc(100% - 32px));
  padding: 0;
  border: 0;
  border-radius: 24px;
  color: var(--ink);
  background: white;
  box-shadow: var(--shadow);
}

dialog::backdrop { background: rgba(10, 18, 14, 0.5); backdrop-filter: blur(5px); }
dialog form { position: relative; padding: 34px; }
dialog label { display: block; margin: 20px 0; }
.dialog-close { position: absolute; top: 18px; right: 18px; width: 34px; height: 34px; border: 0; border-radius: 50%; background: #ecebe5; cursor: pointer; font-size: 21px; }
.copy-row { display: grid; grid-template-columns: 1fr auto; gap: 8px; }
.copy-row button { padding: 0 15px; border: 0; border-radius: 11px; color: white; background: var(--lime); cursor: pointer; }
#share-result { margin-top: 24px; padding-top: 22px; border-top: 1px solid var(--line); }
.share-friend-panel { margin-top: 18px; padding: 17px; border-radius: 16px; background: #f1faf4; }
.share-friend-row { display: grid; grid-template-columns: 1fr auto; gap: 8px; margin-top: 9px; }
.share-friend-row select { min-width: 0; height: 44px; padding: 0 12px; border: 1px solid #ccebd7; border-radius: 12px; background: white; }
.share-friend-row button:disabled { opacity: 0.5; cursor: default; }
.dialog-note { margin: 8px 0 0; color: var(--muted); font-size: 12px; }

#toast {
  position: fixed;
  z-index: 20;
  left: 50%;
  bottom: 24px;
  max-width: calc(100% - 32px);
  padding: 12px 18px;
  border-radius: 999px;
  color: var(--ink);
  border: 1px solid rgba(158, 232, 102, 0.22);
  background: #263c2d;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 20px);
  transition: opacity 0.2s, transform 0.2s;
}

#toast.show { opacity: 1; transform: translate(-50%, 0); }

.share-page { max-width: 880px; margin: 0 auto; }
.share-loading { min-height: 60vh; display: grid; place-items: center; align-content: center; color: var(--muted); }
.share-loading[hidden] { display: none; }
.spinner { width: 40px; height: 40px; border: 3px solid var(--line); border-top-color: var(--ink); border-radius: 50%; animation: spin 0.8s linear infinite; }

.share-hero {
  padding: clamp(28px, 5vw, 54px);
  border-radius: 30px;
  color: var(--paper);
  background:
    radial-gradient(circle at 85% 10%, rgba(49, 194, 124, 0.22), transparent 28%),
    linear-gradient(150deg, #19211e, #101513);
  box-shadow: var(--shadow);
}

.shared-by { color: rgba(255, 255, 255, 0.5); font-size: 12px; }
.share-hero h1 { margin: 16px 0 10px; font-size: clamp(42px, 7vw, 72px); }
.share-inspiration { max-width: 660px; color: rgba(255, 255, 255, 0.63); line-height: 1.7; }
.share-player { margin: 34px 0 26px; padding: 22px; border: 1px solid rgba(255, 255, 255, 0.12); border-radius: 18px; background: rgba(255, 255, 255, 0.05); }
.share-player audio { width: 100%; }
.share-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 18px; margin-top: 18px; }
.share-box { padding: 28px; border: 1px solid var(--line); border-radius: 22px; background: rgba(255, 255, 255, 0.58); }
.share-box h2 { margin-bottom: 20px; }
.shared-lyrics .lyrics-section b { color: var(--lime-deep); }
.shared-lyrics .lyrics-section p { color: var(--ink); }
.feedback-form label { display: block; margin-bottom: 15px; }
.feedback-form input[readonly] { color: var(--lime-deep); background: rgba(49, 194, 124, 0.06); cursor: default; }
.feedback-form textarea { min-height: 110px; }
.feedback-history-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.feedback-history-head h3 { margin: 0; font-size: 16px; }
.feedback-history-head > span { color: var(--muted); font-size: 11px; }
.feedback-list { margin-top: 10px; }
.feedback-item { padding: 13px 0; border-bottom: 1px solid var(--line); }
.feedback-item-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.feedback-item p { margin: 6px 0; line-height: 1.6; }
.feedback-item small { color: var(--muted); }
.feedback-status {
  flex: 0 0 auto;
  padding: 4px 7px;
  border-radius: 999px;
  color: var(--muted);
  background: #eef1ef;
  font-size: 9px;
}
.feedback-status.accepted { color: var(--lime-deep); background: rgba(49, 194, 124, 0.12); }
.feedback-status.rejected { color: #ba574d; background: rgba(214, 96, 84, 0.1); }
.feedback-replies { display: grid; gap: 7px; margin-top: 10px; }
.feedback-replies > div { padding: 10px 12px; border-radius: 10px; background: rgba(49, 194, 124, 0.08); }
.feedback-replies p { margin-bottom: 0; font-size: 13px; }
.feedback-replies small { color: var(--lime-deep); }
.collaboration-box { grid-column: 1 / -1; }
.collaboration-box > p:not(.eyebrow) { max-width: 720px; color: var(--muted); }
.collaboration-form { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 18px; margin-top: 22px; }
.collaboration-form fieldset { display: grid; gap: 10px; margin: 0; padding: 0; border: 0; }
.collaboration-form fieldset label {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  cursor: pointer;
}
.collaboration-form fieldset label:has(input:checked) { border-color: var(--lime); background: rgba(49, 194, 124, 0.07); }
.collaboration-form fieldset input { width: 18px; height: 18px; accent-color: var(--lime); }
.collaboration-form fieldset span { display: grid; gap: 3px; }
.collaboration-form fieldset small { color: var(--muted); }
.collaboration-form > label { display: block; }
.collaboration-form textarea { min-height: 126px; }
.collaboration-form .primary-button { grid-column: 1 / -1; }
.collaboration-login,
.collaboration-success {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 22px;
  padding: 18px;
  border-radius: 16px;
  background: rgba(49, 194, 124, 0.07);
}
.collaboration-success { display: grid; justify-items: start; }
.collaboration-success p { margin: 0; color: var(--muted); }

.unlock-card {
  max-width: 460px;
  margin: 8vh auto;
  padding: 40px;
  border-radius: 26px;
  text-align: center;
  background: rgba(255, 255, 255, 0.75);
  box-shadow: var(--shadow);
}

.unlock-icon { width: 70px; height: 70px; display: grid; place-items: center; margin: 0 auto 20px; border-radius: 50%; background: var(--lime); font-size: 28px; }
.unlock-card p { color: var(--muted); line-height: 1.7; }
.unlock-card input { margin: 12px 0; text-align: center; letter-spacing: 0.15em; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 900px) {
  .site-header { grid-template-columns: auto 1fr auto; }
  .studio-grid, .share-grid, .inspirations-layout { grid-template-columns: 1fr; }
  .creation-actions { grid-template-columns: 1fr; }
  .preview-panel { min-height: 570px; }
  .project-card { grid-template-columns: 70px 1fr; }
  .project-actions { grid-column: 2; }
  .collaboration-list,
  .collaboration-form { grid-template-columns: 1fr; }
  .collaboration-columns,
  .version-editor { grid-template-columns: 1fr; }
  .stem-list { overflow-x: auto; }
  .stem-inspector { grid-template-columns: 1fr; }
  .editor-basics,
  .editor-tracks,
  .editor-save { grid-column: auto; }
  .collaboration-form .primary-button { grid-column: auto; }
}

@media (max-width: 660px) {
  .site-header {
    width: calc(100% - 28px);
    height: auto;
    min-height: 74px;
    grid-template-columns: 1fr auto;
  }

  .header-pitch { display: none; }

  .site-header nav {
    position: fixed;
    z-index: 10;
    left: 50%;
    bottom: 14px;
    padding: 6px;
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 999px;
    background: rgba(245, 243, 236, 0.9);
    box-shadow: var(--shadow);
    backdrop-filter: blur(14px);
    transform: translateX(-50%);
  }

  .nav-dropdown {
    top: auto;
    right: 0;
    bottom: calc(100% + 10px);
  }

  .friend-nav-dropdown {
    top: auto;
    right: auto;
    bottom: calc(100% + 10px);
    left: 0;
    max-height: min(520px, calc(100vh - 120px));
  }

  .local-status { font-size: 0; }
  .local-status span { display: block; }
  .account-menu summary > b,
  .account-menu summary > .nav-caret { display: none; }
  main { width: calc(100% - 28px); padding: 14px 0 100px; }
  .composer-card, .review-panel, .preview-panel { min-height: auto; border-radius: 22px; }
  .composer-card, .review-panel, .preview-panel { padding: 24px; }
  .comment-fields { grid-template-columns: 1fr; }
  .comment-card-footer { align-items: flex-start; flex-direction: column; }
  .settings-row { grid-template-columns: 1fr; }
  .creation-switch { grid-template-columns: 1fr; }
  .mode-option {
    min-height: 68px;
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .mode-icon { width: 24px; margin: 0; text-align: center; }
  .assistant-actions { align-items: stretch; flex-direction: column; }
  .provider-switch { grid-template-columns: 1fr; }
  .preview-panel { min-height: 560px; }
  .preview-panel.result-state {
    display: block;
    padding: 24px;
  }
  .result-content {
    display: block;
    width: 100%;
    height: auto;
    margin: 0;
    transform: none;
  }
  .result-content > * + * { margin-top: 18px; }
  .result-body { height: clamp(200px, 40vh, 320px); }
  .result-actions { grid-template-columns: 1fr; }
  .library-head { align-items: flex-start; flex-direction: column; }
  .editor-head { align-items: flex-start; flex-direction: column; }
  .editor-fields.two-columns,
  .editor-fields.three-columns { grid-template-columns: 1fr; }
  .editor-fields .full-column { grid-column: auto; }
  .inspirations-head { align-items: flex-start; flex-direction: column; }
  .project-card { grid-template-columns: 58px 1fr; gap: 14px; padding: 16px; }
  .project-cover { width: 58px; height: 58px; border-radius: 13px; }
  .project-actions { grid-column: 1 / -1; }
  .collaboration-section-head,
  .collaboration-login { align-items: flex-start; flex-direction: column; }
  .collaboration-meta { align-items: flex-start; flex-direction: column; }
  .share-hero { border-radius: 22px; }
  .share-box { padding: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
}

/* 2026 workspace layout: persistent navigation, fixed input rail, spacious listening canvas. */
.site-header {
  position: sticky;
  z-index: 40;
  top: 0;
  width: min(1580px, calc(100% - 32px));
  height: 72px;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 22px;
  padding: 0 10px;
  backdrop-filter: blur(22px);
}

.header-pitch { display: none; }
.site-header nav { justify-self: center; }

main {
  width: min(1580px, calc(100% - 32px));
  padding: 16px 0 72px;
}

.studio-grid {
  grid-template-columns: minmax(420px, 0.78fr) minmax(540px, 1.22fr);
  gap: 16px;
  align-items: start;
}

.composer-card,
.review-panel {
  padding: clamp(24px, 2.5vw, 36px);
}

.preview-panel {
  position: sticky;
  top: 88px;
  min-height: calc(100vh - 106px);
}

.composer-card,
.review-panel,
.preview-panel {
  border-radius: 18px;
}

.card-heading { margin-bottom: 22px; }
.field-group { margin-bottom: 22px; }
.creation-switch { gap: 10px; }
.mode-option { min-height: 92px; padding: 16px; }
.provider-option { min-height: 80px; }

.settings-row {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.audio-inspiration {
  margin: -6px 0 24px;
}

.audio-upload-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 9px;
}

.audio-upload-head .field-label { margin: 0; }
.audio-upload-head .field-label em { font-style: normal; font-weight: 500; opacity: 0.62; }
.audio-upload-head > small { color: var(--muted); font-size: 11px; }

.audio-dropzone,
.audio-uploaded {
  width: 100%;
  min-height: 78px;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 13px;
  padding: 13px 15px;
  border: 1px dashed var(--line);
  border-radius: 15px;
}

.audio-dropzone {
  grid-template-columns: 42px minmax(0, 1fr);
  text-align: left;
  background: transparent;
  cursor: pointer;
}

.audio-inspiration.dragging .audio-dropzone {
  border-style: solid;
  transform: translateY(-1px);
}

.upload-icon,
.audio-file-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 12px;
  font-size: 19px;
}

.audio-dropzone span:last-child,
.audio-uploaded > span:nth-child(2) { min-width: 0; }
.audio-dropzone b,
.audio-uploaded b { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13px; }
.audio-dropzone small,
.audio-uploaded small { display: block; margin-top: 4px; color: var(--muted); font-size: 10px; }
.audio-uploaded audio { width: min(250px, 25vw); height: 36px; }
.audio-uploaded > button {
  width: 32px;
  height: 32px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
}

.upload-spinner {
  width: 22px;
  height: 22px;
  border: 2px solid var(--line);
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.audio-inspiration.compact { margin: 0 0 16px; }
.audio-inspiration.compact .audio-dropzone,
.audio-inspiration.compact .audio-uploaded { min-height: 68px; }

.voice-record {
  display: grid;
  gap: 7px;
  margin: 0 0 14px;
}

.hold-record-button {
  width: 100%;
  min-height: 58px;
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 15px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.035);
  cursor: pointer;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  transition: border-color 0.18s, background 0.18s, transform 0.18s;
}

.hold-record-button i {
  position: relative;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(158, 232, 102, 0.12);
}

.hold-record-button i::before {
  content: "";
  width: 9px;
  height: 16px;
  border: 2px solid var(--lime);
  border-radius: 7px;
}

.hold-record-button i::after {
  content: "";
  position: absolute;
  width: 15px;
  height: 18px;
  border-bottom: 2px solid var(--lime);
  border-radius: 0 0 10px 10px;
}

.hold-record-button span {
  text-align: left;
  font-weight: 720;
}

.hold-record-button em {
  color: var(--muted);
  font-size: 12px;
  font-style: normal;
  font-variant-numeric: tabular-nums;
}

.hold-record-button.recording {
  color: #17141d;
  border-color: var(--lime);
  background: var(--lime);
  transform: scale(0.99);
}

.hold-record-button.recording i { background: rgba(23, 20, 29, 0.12); }
.hold-record-button.recording i::before,
.hold-record-button.recording i::after { border-color: #17141d; }
.hold-record-button.recording em { color: rgba(23, 20, 29, 0.65); }
.hold-record-button:disabled { cursor: wait; opacity: 0.7; }
.voice-record > small { color: var(--muted); font-size: 10px; }

.inspirations-head,
.library-head,
.editor-head {
  min-height: 104px;
  align-items: center;
  margin-bottom: 16px;
}

.inspirations-head h1,
.library-head h1,
#library-view.received-library .library-head h1,
.editor-head h1 {
  margin-bottom: 6px;
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1.05;
}

.inspirations-layout {
  grid-template-columns: minmax(300px, 360px) minmax(0, 1fr);
  gap: 16px;
}

.inspiration-record-card {
  position: sticky;
  top: 88px;
}

.inspiration-record-card,
.inspiration-list-card {
  padding: 28px;
  border-radius: 18px;
}

.inspiration-record-card textarea { min-height: 180px; }
.inspiration-record-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.inspiration-audio {
  display: grid;
  gap: 7px;
  margin: 12px 0;
}

.inspiration-audio span { overflow: hidden; color: var(--muted); text-overflow: ellipsis; white-space: nowrap; font-size: 11px; }
.inspiration-audio audio { width: 100%; height: 34px; }

.library-head { margin-bottom: 18px; }
.project-list { gap: 10px; }
.project-card {
  min-height: 118px;
  grid-template-columns: 72px minmax(0, 1fr) auto;
  gap: 18px;
  padding: 17px 20px;
  border-radius: 16px;
}
.project-cover { width: 72px; height: 72px; border-radius: 14px; }
.project-info h2 { margin-bottom: 5px; }
.project-actions { flex-wrap: nowrap; }

.collaboration-columns,
.version-editor,
.share-grid {
  gap: 16px;
}

.collaboration-card,
.share-box,
.editor-card {
  border-radius: 16px;
}

.share-page { max-width: 1180px; }
.share-hero { min-height: 430px; }

@media (max-width: 1180px) {
  .site-header,
  main { width: min(100% - 24px, 1040px); }
  .studio-grid { grid-template-columns: 1fr; }
  .preview-panel { position: relative; top: auto; min-height: 720px; }
  .inspiration-record-list { grid-template-columns: 1fr; }
  .project-actions { flex-wrap: wrap; }
}

@media (max-width: 760px) {
  .site-header {
    width: calc(100% - 20px);
    min-height: 68px;
    padding: 0;
  }
  .site-header nav { justify-self: stretch; }
  main { width: calc(100% - 20px); padding-top: 10px; }
  .inspirations-layout { grid-template-columns: 1fr; }
  .inspiration-record-card { position: relative; top: auto; }
  .inspiration-record-card,
  .inspiration-list-card { padding: 20px; }
  .audio-uploaded { grid-template-columns: 38px minmax(0, 1fr) auto; }
  .audio-uploaded audio { grid-column: 1 / -1; width: 100%; }
  .settings-row { grid-template-columns: 1fr; }
  .preview-panel { min-height: 600px; }
}

/* SongSeed night studio theme. Kept separate so layout and palette can evolve independently. */
:root {
  color-scheme: dark;
  --ink: #f5f3f7;
  --muted: #a29eaa;
  --paper: #17141d;
  --card: #24212c;
  --line: rgba(255, 255, 255, 0.09);
  --lime: #9ee866;
  --lime-deep: #b5f27f;
  --coral: #9ee866;
  --violet: #7868ee;
  --shadow: 0 18px 50px rgba(45, 37, 28, 0.12);
}

body {
  background:
    radial-gradient(circle at 78% 9%, rgba(120, 104, 238, 0.14), transparent 28%),
    radial-gradient(circle at 48% 100%, rgba(106, 43, 36, 0.22), transparent 36%),
    linear-gradient(145deg, #1b1722 0%, #151219 52%, #1a0f0d 100%);
  background-attachment: fixed;
}

.ambient-one { border-color: rgba(255, 255, 255, 0.06); }
.ambient-two { background: rgba(158, 232, 102, 0.08); }

.site-header {
  border-color: var(--line);
  background: rgba(23, 20, 29, 0.78);
}

.brand-mark {
  color: #151219;
  background: var(--lime);
  box-shadow: none;
}

.brand small,
.nav-link,
.account-menu > div small { color: var(--muted); }

.nav-link:hover { color: var(--ink); }
.nav-link.active,
.nav-menu.active summary {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.09);
  box-shadow: none;
}

.account-menu summary > span {
  color: #17141d;
  background: var(--lime);
}

.friend-nav-dropdown,
.nav-dropdown,
.account-menu > div,
.friend-section {
  border-color: var(--line);
  background: #292530;
  box-shadow: 0 24px 60px rgba(45, 37, 28, 0.12);
}

.nav-dropdown button,
.account-menu > div button,
.friend-row,
.friend-search-result,
.friend-request-card {
  color: var(--ink);
  background: transparent;
}

.nav-dropdown button:hover,
.friend-row:hover,
.friend-row.active { background: rgba(255, 255, 255, 0.055); }

.friend-search-form input,
.friend-search-form select,
.friend-chat > form input {
  color: var(--ink);
  border-color: var(--line);
  background: #1d1a22;
}

.friend-search-form select option {
  color: var(--ink);
  background: #292530;
}

.friend-search-form button,
.friend-chat > form button {
  color: #17141d;
  background: var(--lime);
}

.friend-avatar {
  color: var(--lime-deep);
  background: rgba(158, 232, 102, 0.12);
}

.friend-request-actions button,
.friend-search-result button {
  color: var(--lime-deep);
  background: rgba(158, 232, 102, 0.1);
}

.friend-request-actions button:last-child,
.friend-search-result button:disabled {
  color: var(--muted);
  background: rgba(255, 255, 255, 0.055);
}

.friend-chat > header button {
  color: var(--lime-deep);
  background: rgba(158, 232, 102, 0.1);
}

.friend-messages {
  border: 1px solid var(--line);
  background: #1d1a22;
}

.friend-message p,
.friend-message a {
  color: var(--ink);
  border: 1px solid var(--line);
  background: #302b38;
}

.friend-message.mine p,
.friend-message.mine a {
  color: var(--ink);
  border-color: rgba(158, 232, 102, 0.18);
  background: rgba(158, 232, 102, 0.12);
}

.friend-message a span { color: var(--lime-deep); }

h1,
.library-head h1,
.inspirations-head h1,
.editor-head h1 {
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-weight: 760;
  letter-spacing: -0.055em;
}

.composer-card,
.review-panel,
.inspiration-record-card,
.inspiration-list-card,
.project-card,
.collaboration-card,
.share-box,
.editor-card,
.auth-card {
  border-color: var(--line);
  background: rgba(37, 33, 44, 0.94);
  box-shadow: var(--shadow);
}

.composer-card,
.review-panel { backdrop-filter: none; }

textarea,
select,
input {
  border-color: var(--line);
  color: var(--ink);
  background: #1d1a22;
}

textarea:focus,
select:focus,
input:focus {
  border-color: rgba(158, 232, 102, 0.58);
  box-shadow: 0 0 0 3px rgba(158, 232, 102, 0.1);
}

#inspiration::placeholder,
textarea::placeholder,
input::placeholder { color: rgba(245, 243, 247, 0.35); }

.mode-option,
.provider-option,
.choice,
.draft-button,
.outline-button,
.review-back,
.comment-status-actions button,
.project-actions button,
.audio-dropzone,
.audio-uploaded {
  border-color: var(--line);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.025);
}

.mode-option:hover,
.provider-option:hover,
.project-card:hover {
  border-color: rgba(158, 232, 102, 0.3);
  box-shadow: none;
}

.mode-option.active,
.provider-option.active {
  border-color: rgba(158, 232, 102, 0.64);
  background: rgba(158, 232, 102, 0.075);
  box-shadow: inset 0 0 0 1px rgba(158, 232, 102, 0.08);
}

.mode-icon,
.provider-icon,
.step-number,
.upload-icon,
.audio-file-icon {
  color: var(--lime);
  border-color: rgba(158, 232, 102, 0.2);
  background: rgba(158, 232, 102, 0.08);
  box-shadow: none;
}

.mode-icon {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  margin-bottom: 9px;
  border-radius: 9px;
}

.settings-row select,
.settings-row select:hover,
.settings-row select:focus {
  border-color: var(--line);
  color: var(--ink);
  background-color: #1d1a22;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 28 28'%3E%3Ccircle cx='14' cy='14' r='14' fill='%23302b38'/%3E%3Cpath d='m9.5 11.5 4.5 4.5 4.5-4.5' fill='none' stroke='%239ee866' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  box-shadow: none;
}

.settings-row select:hover {
  border-color: rgba(158, 232, 102, 0.36);
}

.settings-row select:focus {
  border-color: rgba(158, 232, 102, 0.68);
  box-shadow: 0 0 0 3px rgba(158, 232, 102, 0.1);
}

.settings-row select option { color: var(--ink); background: #24212c; }

.choice.active {
  color: #17141d;
  border-color: var(--lime);
  background: var(--lime);
}

.primary-button,
.share-friend-row button {
  color: #17141d;
  background: var(--lime);
  box-shadow: none;
}

.primary-button b { color: #17141d; background: rgba(255, 255, 255, 0.7); }

.preview-panel {
  border-color: rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(circle at 78% 6%, rgba(120, 104, 238, 0.17), transparent 27%),
    radial-gradient(circle at 38% 100%, rgba(92, 34, 29, 0.24), transparent 38%),
    linear-gradient(155deg, #1d1a24 0%, #100e14 75%);
  box-shadow: 0 24px 64px rgba(45, 37, 28, 0.12);
}

.preview-panel::before { border-color: rgba(158, 232, 102, 0.1); }
.record { background: repeating-radial-gradient(circle, #24212c 0 3px, #0f0d12 4px 8px); }

.inspiration-record {
  border-color: var(--line);
  background: #1d1a22;
}

.inspiration-mode,
.version-pill,
.version-badge {
  color: var(--lime-deep);
  background: rgba(158, 232, 102, 0.09);
}

.project-card { background: rgba(37, 33, 44, 0.92); }
.project-info small { color: var(--muted); }
.project-cover::after { background: var(--ink); }

.comment-form,
.comment-card,
.comment-reply,
.collaboration-card blockquote {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.025);
}

.comment-card p { color: rgba(245, 243, 247, 0.78); }
.comment-status { color: var(--muted); background: rgba(255, 255, 255, 0.06); }

dialog {
  color: var(--ink);
  border-color: var(--line);
  background: #24212c;
  box-shadow: 0 28px 90px rgba(45, 37, 28, 0.12);
}

dialog::backdrop { background: rgba(10, 8, 13, 0.75); backdrop-filter: blur(8px); }
.share-friend-panel { background: rgba(158, 232, 102, 0.06); }
.share-friend-row select { border-color: var(--line); background: #1d1a22; }

.auth-screen {
  background:
    radial-gradient(circle at 50% 20%, rgba(120, 104, 238, 0.2), transparent 32%),
    rgba(17, 14, 21, 0.94);
}

.inspiration-record-card textarea { min-height: 140px; }

@media (max-width: 660px) {
  .site-header nav {
    border-color: var(--line);
    background: rgba(36, 33, 44, 0.92);
  }
}

/* SongSeed design system — canonical tokens and component rhythm. */
:root {
  color-scheme: light;
  --ink: #2d2822;
  --muted: #7a7369;
  --hint: #9e968c;
  --faint: #bfb8ad;
  --paper: #faf7f2;
  --card: rgba(255, 255, 255, 0.95);
  --line: rgba(45, 40, 34, 0.07);
  --lime: #16805e;
  --lime-hover: #1ea374;
  --lime-deep: #0e5c3f;
  --coral: #d4852b;
  --danger: #e05050;
  --shadow: 0 10px 28px rgba(45, 37, 28, 0.08);
  --shadow-large: 0 20px 52px rgba(45, 37, 28, 0.12);
  --ease-standard: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

html,
body,
button,
input,
textarea,
select {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

body {
  color: var(--ink);
  background:
    radial-gradient(circle at 0 0, rgba(22, 128, 94, 0.08), transparent 38%),
    radial-gradient(circle at 100% 100%, rgba(212, 133, 43, 0.05), transparent 36%),
    var(--paper);
  font-size: 14px;
  line-height: 1.55;
}

h1,
h2,
h3,
h4 {
  color: var(--ink);
  font-weight: 700;
  letter-spacing: -0.018em;
}

.eyebrow {
  color: var(--faint);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.field-help,
.field-footer,
.dialog-note,
.voice-record > small,
.audio-dropzone small,
.audio-uploaded small {
  color: var(--hint);
  font-size: 11px;
}

.site-header { background: rgba(245, 239, 230, 0.96); }

#studio-view .studio-grid {
  max-width: 1240px;
  margin-inline: auto;
  grid-template-columns: minmax(540px, 880px) minmax(300px, 340px);
  justify-content: center;
}

.composer-card,
.review-panel,
.editor-card,
.inspiration-record-card,
.inspiration-list-card,
.project-card,
.collaboration-card,
.comment-card,
.share-box,
.auth-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--card);
  box-shadow: var(--shadow);
}

button,
a,
summary,
input,
textarea,
select {
  transition:
    color 180ms var(--ease-standard),
    background-color 180ms var(--ease-standard),
    border-color 180ms var(--ease-standard),
    box-shadow 180ms var(--ease-standard),
    transform 180ms var(--ease-standard);
}

input,
textarea,
select,
.friend-search-form input,
.friend-chat > form input {
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--ink);
  background: #fff;
}

input:focus,
textarea:focus,
select:focus {
  border-color: rgba(22, 128, 94, 0.42);
  outline: 0;
  box-shadow: 0 0 0 3px rgba(22, 128, 94, 0.07);
}

.settings-row select,
.settings-row select:hover,
.settings-row select:focus {
  color: var(--ink);
  border-color: rgba(45, 40, 34, 0.13);
  background-color: #fffdf9;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 28 28'%3E%3Ccircle cx='14' cy='14' r='14' fill='%23edf6f1'/%3E%3Cpath d='m9.5 11.5 4.5 4.5 4.5-4.5' fill='none' stroke='%2316805e' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

.settings-row select:hover {
  border-color: rgba(22, 128, 94, 0.3);
  box-shadow: 0 8px 22px rgba(45, 37, 28, 0.08);
}

.settings-row select:focus {
  border-color: rgba(22, 128, 94, 0.48);
  box-shadow: 0 0 0 3px rgba(22, 128, 94, 0.07);
}

.settings-row select option {
  color: var(--ink);
  background: #fffdf9;
}

.primary-button,
.friend-search-form button,
.friend-chat > form button,
.share-friend-row button,
.copy-row button {
  border-radius: 999px;
  color: #fff;
  background: var(--lime);
  font-weight: 700;
}

.primary-button:hover,
.friend-search-form button:hover,
.friend-chat > form button:hover,
.share-friend-row button:hover,
.copy-row button:hover {
  background: var(--lime-hover);
  box-shadow: 0 8px 22px rgba(22, 128, 94, 0.18);
  transform: translateY(-1px);
}

.choice,
.version-chip,
.scope-chip,
.role-chip,
.adopt-state,
.comment-status,
.comment-status-actions button {
  border-radius: 999px;
}

.choice.active,
.version-chip.featured {
  color: #fff;
  border-color: var(--lime);
  background: var(--lime);
}

.nav-link:hover,
.nav-link.active,
.nav-menu.active > summary {
  color: var(--ink);
  background: rgba(22, 128, 94, 0.07);
}

.nav-dropdown,
.friend-nav-dropdown,
.account-menu > div,
.result-version-dropdown,
.card-version-dropdown {
  border-radius: 14px;
  box-shadow: var(--shadow-large);
}

.nav-dropdown button:hover,
.result-version-dropdown button:hover,
.result-version-dropdown button.active,
.card-version-dropdown button:hover,
.card-version-dropdown button.active {
  background: rgba(22, 128, 94, 0.07);
}

dialog {
  border-radius: 20px;
  box-shadow: var(--shadow-large);
}

dialog::backdrop {
  background: rgba(45, 37, 28, 0.32);
  backdrop-filter: blur(7px);
}

.dialog-close { border-radius: 999px; }

.audio-dropzone,
.audio-uploaded,
.hold-record-button {
  border-radius: 14px;
}

.hold-record-button.recording {
  color: #fff;
  border-color: var(--lime);
  background: var(--lime);
  box-shadow: 0 8px 24px rgba(22, 128, 94, 0.18);
}

.hold-record-button.recording i { background: rgba(255, 255, 255, 0.14); }
.hold-record-button.recording i::before,
.hold-record-button.recording i::after { border-color: #fff; }
.hold-record-button.recording em { color: rgba(255, 255, 255, 0.76); }

.danger,
button.danger { color: var(--danger); }

@media (max-width: 1180px) {
  #studio-view .studio-grid {
    max-width: 880px;
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 760px) {
  body { font-size: 14px; }
  .site-header { background: rgba(245, 239, 230, 0.98); }

  .composer-card,
  .review-panel,
  .editor-card,
  .inspiration-record-card,
  .inspiration-list-card,
  .project-card,
  .collaboration-card,
  .comment-card,
  .share-box {
    border-radius: 14px;
    box-shadow: 0 8px 22px rgba(45, 37, 28, 0.08);
  }

  .primary-button,
  .draft-button,
  .outline-button {
    min-height: 50px;
  }
}

/* Unified interaction surfaces
   Keep the preview/player stage dark; every editable, collapsible and floating
   surface uses the same warm SongSeed palette. */
.nav-dropdown,
.friend-nav-dropdown,
.account-menu > div,
.result-version-dropdown,
.card-version-dropdown {
  color: var(--ink);
  border: 1px solid rgba(45, 40, 34, 0.12);
  background: rgba(255, 253, 249, 0.985);
  box-shadow: 0 18px 48px rgba(45, 37, 28, 0.16);
  backdrop-filter: blur(18px);
}

.nav-dropdown button,
.result-version-dropdown button,
.card-version-dropdown button {
  color: var(--ink);
  border: 0;
  background: transparent;
}

.nav-dropdown button + button,
.result-version-dropdown button + button,
.card-version-dropdown button + button {
  border-top: 1px solid rgba(45, 40, 34, 0.075);
}

.nav-dropdown button:hover,
.nav-dropdown button:focus-visible,
.result-version-dropdown button:hover,
.result-version-dropdown button:focus-visible,
.result-version-dropdown button.active,
.card-version-dropdown button:hover,
.card-version-dropdown button:focus-visible,
.card-version-dropdown button.active {
  color: var(--lime-deep);
  background: rgba(22, 128, 94, 0.075);
}

.nav-dropdown small,
.result-version-dropdown small,
.card-version-dropdown small {
  color: var(--muted);
}

.nav-caret,
.result-version-selector summary i,
.card-version-selector summary i,
.friend-section > summary::after {
  color: var(--lime);
}

.friend-section {
  border-color: rgba(45, 40, 34, 0.1);
  background: #fffdf9;
  box-shadow: none;
}

.friend-section > summary {
  color: var(--ink);
  background: #fbf7f1;
}

.friend-section[open] > summary {
  color: var(--lime-deep);
  background: rgba(22, 128, 94, 0.065);
}

.friend-search-result,
.friend-request-card,
.friend-row {
  color: var(--ink);
  border-color: rgba(45, 40, 34, 0.1);
  background: #fff;
}

.friend-search-result:hover,
.friend-row:hover,
.friend-row.active {
  color: var(--lime-deep);
  background: #edf7f1;
}

.friend-request-actions button,
.friend-search-result button,
.friend-chat > header button {
  color: var(--lime-deep);
  background: #e7f3ec;
}

.friend-request-actions button:last-child {
  color: var(--muted);
  background: #f1ede7;
}

.friend-messages {
  border: 1px solid rgba(45, 40, 34, 0.08);
  background: #f4efe8;
}

.friend-message p,
.friend-message a {
  color: var(--ink);
  background: #fffdf9;
  box-shadow: 0 5px 15px rgba(45, 37, 28, 0.06);
}

.friend-message.mine p,
.friend-message.mine a {
  color: #163b2d;
  background: #dfeee7;
}

.account-menu > div button {
  color: #9b4c43;
  background: #f9ece9;
}

select,
.friend-search-form select,
.share-friend-row select,
.settings-row select,
.assistant-actions select {
  color: var(--ink);
  border-color: rgba(45, 40, 34, 0.13);
  background-color: #fffdf9;
}

select option,
.friend-search-form select option,
.settings-row select option {
  color: var(--ink);
  background: #fffdf9;
}

.comment-form,
.comment-card,
.comment-reply,
.collaboration-card,
.collaboration-card blockquote,
.collaboration-empty,
.share-box,
.collaboration-login,
.collaboration-success,
.feedback-replies > div {
  color: var(--ink);
  border-color: rgba(45, 40, 34, 0.1);
  background: #fffdf9;
}

.comment-form,
.collaboration-card blockquote,
.collaboration-login,
.collaboration-success,
.feedback-replies > div {
  background: rgba(22, 128, 94, 0.055);
}

.comment-card p,
.comment-reply p,
.collaboration-card blockquote,
.feedback-item p {
  color: #514b44;
}

.comment-status-actions button,
.comment-reply-form button,
.adopt-button,
.collaboration-form fieldset label {
  color: var(--ink);
  border-color: rgba(45, 40, 34, 0.12);
  background: #fff;
}

.comment-reply-form button {
  color: #fff;
  border-color: var(--lime);
  background: var(--lime);
}

.collaboration-form fieldset label:has(input:checked) {
  color: var(--lime-deep);
  border-color: rgba(22, 128, 94, 0.42);
  background: rgba(22, 128, 94, 0.065);
}

.version-badge,
.version-chip.featured {
  color: #fff;
  border-color: var(--lime);
  background: var(--lime);
}

dialog,
dialog form {
  color: var(--ink);
  background: #fffdf9;
}

.dialog-close {
  color: var(--ink);
  background: #f0ebe4;
}

.share-friend-panel {
  color: var(--ink);
  border: 1px solid rgba(22, 128, 94, 0.12);
  background: rgba(22, 128, 94, 0.055);
}

.audio-dropzone,
.audio-uploaded,
.hold-record-button {
  color: var(--ink);
  border-color: rgba(45, 40, 34, 0.13);
  background: #fffdf9;
}

.audio-dropzone:hover,
.hold-record-button:hover {
  border-color: rgba(22, 128, 94, 0.36);
  background: rgba(22, 128, 94, 0.045);
}

.hold-record-button.microphone-unavailable {
  border-style: dashed;
}

.hold-record-button.microphone-unavailable em {
  color: #a15a4f;
}

.voice-record > small {
  color: var(--muted);
  line-height: 1.55;
}

#toast {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.12);
  background: #263c2d;
}

@media (max-width: 760px) {
  .nav-dropdown,
  .friend-nav-dropdown {
    color: var(--ink);
    border-color: rgba(45, 40, 34, 0.12);
    background: rgba(255, 253, 249, 0.99);
    box-shadow: 0 18px 48px rgba(45, 37, 28, 0.18);
  }

  .friend-section > summary {
    min-height: 48px;
  }

  .friend-section > summary,
  .nav-dropdown button {
    font-size: 13px;
  }

  .result-version-dropdown,
  .card-version-dropdown {
    position: fixed;
    inset: auto 12px calc(16px + env(safe-area-inset-bottom));
    width: auto;
    max-height: 52dvh;
    overflow-y: auto;
    border-radius: 18px;
    z-index: 80;
  }
}

/* Mobile H5: keep the desktop workspace intact and turn navigation into a safe-area dock. */
@media (max-width: 760px) {
  html,
  body {
    max-width: 100%;
    overflow-x: hidden;
  }

  body {
    min-height: 100dvh;
    background-attachment: scroll;
    -webkit-tap-highlight-color: transparent;
  }

  button,
  summary,
  a,
  select {
    touch-action: manipulation;
  }

  input,
  textarea,
  select {
    font-size: 16px;
  }

  .site-header {
    width: 100%;
    height: 60px;
    min-height: 60px;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
    padding: 0 14px;
    border-bottom-color: var(--line);
    background: rgba(23, 20, 29, 0.96);
    backdrop-filter: none;
  }

  .brand {
    min-width: 0;
    gap: 9px;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
    flex: 0 0 36px;
  }

  .brand > span:last-child {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 15px;
  }

  .brand small { display: none; }

  .account-menu summary > span {
    width: 34px;
    height: 34px;
  }

  .account-menu > div {
    position: fixed;
    top: 66px;
    right: 10px;
    width: min(220px, calc(100vw - 20px));
  }

  .site-header nav {
    position: fixed;
    z-index: 80;
    inset: auto 10px calc(8px + env(safe-area-inset-bottom));
    width: auto;
    height: 58px;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: stretch;
    gap: 2px;
    padding: 5px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(36, 33, 44, 0.96);
    box-shadow: 0 16px 45px rgba(45, 37, 28, 0.12);
    backdrop-filter: blur(18px);
    transform: none;
  }

  .site-header nav > .nav-link,
  .site-header nav > .nav-menu > summary {
    width: 100%;
    height: 48px;
    justify-content: center;
    gap: 4px;
    padding: 0 5px;
    border-radius: 13px;
    white-space: nowrap;
    font-size: 12px;
  }

  .site-header nav > .nav-menu {
    min-width: 0;
  }

  .site-header nav .nav-caret {
    width: 5px;
    height: 5px;
  }

  .friend-nav-menu summary > em {
    min-width: 16px;
    height: 16px;
    font-size: 8px;
  }

  .friend-nav-dropdown,
  .nav-dropdown {
    position: fixed;
    z-index: 90;
    inset: auto 10px calc(76px + env(safe-area-inset-bottom));
    width: auto;
    max-height: min(68dvh, 560px);
    overflow-y: auto;
    border-radius: 18px;
  }

  .nav-dropdown {
    padding: 8px;
  }

  .nav-dropdown button {
    min-height: 60px;
  }

  .friend-nav-dropdown {
    padding: 10px;
  }

  .friend-section {
    border-radius: 15px;
  }

  .friend-search-form {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .friend-search-form input {
    grid-column: 1 / -1;
  }

  .friend-search-form button,
  .friend-chat > form button {
    min-width: 64px;
  }

  .friend-messages {
    height: min(34dvh, 280px);
  }

  main {
    width: 100%;
    padding: 12px 10px calc(88px + env(safe-area-inset-bottom));
  }

  .studio-grid {
    gap: 12px;
  }

  .composer-card,
  .review-panel,
  .preview-panel,
  .inspiration-record-card,
  .inspiration-list-card,
  .editor-card,
  .share-box,
  .collaboration-card {
    padding: 18px;
    border-radius: 16px;
  }

  .card-heading {
    gap: 12px;
    margin-bottom: 18px;
  }

  .card-heading h2 {
    font-size: 22px;
  }

  .creation-switch {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .mode-option {
    min-height: 64px;
    padding: 12px;
  }

  .provider-switch {
    grid-template-columns: 1fr;
  }

  .provider-option {
    min-height: 68px;
    padding: 12px;
  }

  .field-group {
    margin-bottom: 18px;
  }

  textarea {
    min-height: 150px;
    padding: 16px;
  }

  .choice-row {
    gap: 7px;
  }

  .choice {
    min-height: 42px;
    padding: 9px 15px;
  }

  .settings-row {
    gap: 12px;
  }

  .settings-row select {
    min-height: 54px;
  }

  .audio-upload-head {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .audio-dropzone,
  .audio-uploaded {
    min-height: 72px;
    grid-template-columns: 40px minmax(0, 1fr) auto;
    gap: 10px;
    padding: 12px;
  }

  .audio-uploaded audio {
    grid-column: 1 / -1;
    width: 100%;
  }

  .creation-actions,
  .result-actions {
    grid-template-columns: 1fr;
  }

  .creation-actions .draft-button,
  .creation-actions .primary-button,
  .result-actions button {
    min-height: 54px;
  }

  .preview-panel {
    min-height: min(610px, calc(100dvh - 84px));
  }

  .preview-panel.result-state {
    min-height: auto;
  }

  .result-content {
    width: 100%;
    height: auto;
    margin: 0;
    transform: none;
  }

  .result-header h2 {
    font-size: clamp(25px, 8vw, 34px);
  }

  .result-body {
    height: clamp(260px, 42dvh, 380px);
  }

  .audio-control {
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 10px;
  }

  .audio-time {
    grid-column: 2;
    justify-self: end;
  }

  .inspirations-head,
  .library-head,
  .editor-head {
    min-height: auto;
    gap: 14px;
    margin-bottom: 18px;
  }

  .inspirations-head h1,
  .library-head h1,
  #library-view.received-library .library-head h1,
  .editor-head h1 {
    font-size: clamp(30px, 10vw, 42px);
    letter-spacing: -0.045em;
  }

  .inspirations-head .outline-button,
  .library-head .outline-button,
  .editor-head .outline-button {
    width: 100%;
  }

  .inspirations-layout {
    gap: 12px;
  }

  .inspiration-record-card textarea {
    min-height: 170px;
  }

  .inspiration-record-list {
    grid-template-columns: 1fr;
  }

  .project-list {
    gap: 8px;
  }

  .project-card {
    min-height: 0;
    grid-template-columns: 58px minmax(0, 1fr);
    gap: 12px;
    padding: 14px;
    border-radius: 15px;
  }

  .project-cover {
    width: 58px;
    height: 58px;
  }

  .project-info h2 {
    font-size: 17px;
  }

  .project-actions {
    grid-column: 1 / -1;
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;
  }

  .project-actions button {
    min-height: 42px;
    padding: 8px;
  }

  .collaboration-columns,
  .collaboration-list,
  .collaboration-form,
  .version-editor,
  .editor-fields.two-columns,
  .editor-fields.three-columns,
  .stem-inspector {
    grid-template-columns: 1fr;
  }

  .collaboration-section-head,
  .collaboration-login,
  .collaboration-meta,
  .comment-card-footer,
  .editor-head {
    align-items: stretch;
    flex-direction: column;
  }

  .stem-list,
  .track-timeline {
    overflow-x: auto;
    overscroll-behavior-inline: contain;
  }

  .share-page {
    width: 100%;
  }

  .share-grid {
    grid-template-columns: 1fr;
  }

  .share-hero {
    min-height: 360px;
    border-radius: 16px;
  }

  .share-box {
    padding: 18px;
  }

  .share-friend-row {
    grid-template-columns: 1fr;
  }

  dialog {
    width: calc(100% - 20px);
    max-width: none;
    max-height: calc(100dvh - 24px);
    margin: auto;
    border-radius: 18px;
    overflow-y: auto;
  }

  dialog form {
    padding: 24px 18px 18px;
  }

  .dialog-close {
    top: 10px;
    right: 10px;
  }

  .auth-screen {
    place-items: start center;
    padding: calc(18px + env(safe-area-inset-top)) 10px calc(18px + env(safe-area-inset-bottom));
    overflow-y: auto;
  }

  .auth-card {
    width: 100%;
    max-width: 430px;
    margin: auto;
    padding: 28px 20px;
    border-radius: 20px;
  }

  #toast {
    right: 12px;
    bottom: calc(82px + env(safe-area-inset-bottom));
    left: 12px;
    width: auto;
    max-width: none;
    text-align: center;
    transform: translateY(20px);
  }

  #toast.show { transform: translateY(0); }
}

/* ============================================================
   CK workspace restoration
   Keep the complete current DOM and restore CK's warm, focused
   three-column studio shell around it.
   ============================================================ */
:root {
  --ink: #2d2822;
  --muted: #7a7369;
  --paper: #faf7f2;
  --card: rgba(255, 255, 255, 0.96);
  --line: rgba(45, 40, 34, 0.09);
  --lime: #16805e;
  --lime-deep: #0e5c3f;
  --coral: #d4852b;
  --violet: #6c62cb;
  --shadow: 0 12px 34px rgba(45, 37, 28, 0.09);
  --radius: 18px;
}

html,
body {
  min-width: 320px;
  color: var(--ink);
  background: var(--paper);
}

body {
  background:
    radial-gradient(ellipse 70% 48% at 12% 0%, rgba(22, 128, 94, 0.07), transparent 60%),
    radial-gradient(ellipse 54% 40% at 100% 100%, rgba(212, 133, 43, 0.05), transparent 58%),
    var(--paper);
  animation: none;
}

body::before {
  content: "";
  position: fixed;
  inset: 0 auto 0 0;
  z-index: -1;
  width: 240px;
  background: #f5efe6;
  border-right: 1px solid var(--line);
}

.ambient { display: none; }

.site-header {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 40;
  width: 240px;
  height: 100dvh;
  margin: 0;
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 16px;
  border: 0;
  border-right: 1px solid var(--line);
  background: rgba(245, 239, 230, 0.94);
  box-shadow: none;
  backdrop-filter: blur(18px);
}

.site-header .brand {
  min-height: 44px;
  padding: 4px 6px;
  gap: 10px;
  color: var(--ink);
}

.site-header .brand-mark {
  width: 36px;
  height: 36px;
  background:
    radial-gradient(circle at center, #f5efe6 0 8%, transparent 9%),
    radial-gradient(circle at center, #16805e 0 28%, #17342b 29% 33%, #e8e2d8 34% 58%, #ded6ca 59% 100%);
  box-shadow: 0 7px 18px rgba(22, 128, 94, 0.16);
}

.site-header .brand-mark i { display: none; }
.site-header .brand > span:last-child { font-size: 16px; line-height: 1.1; }
.site-header .brand small { color: var(--muted); font-size: 8px; letter-spacing: .16em; }

.header-pitch {
  order: 2;
  display: grid;
  gap: 3px;
  padding: 15px 13px;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.55);
}

.header-pitch strong {
  font-family: Georgia, "Songti SC", serif;
  font-size: 17px;
  letter-spacing: -.03em;
}

.header-pitch em { color: var(--coral); }
.header-pitch span { color: var(--muted); font-size: 10px; }

#main-nav {
  order: 3;
  width: 100%;
  margin: 2px 0 0;
  display: grid;
  gap: 5px;
  align-items: stretch;
}

#main-nav > .nav-link,
#main-nav > .nav-menu > summary {
  width: 100%;
  min-height: 44px;
  padding: 0 13px;
  justify-content: flex-start;
  border: 0;
  border-radius: 10px;
  color: var(--muted);
  background: transparent;
  font-size: 13px;
  font-weight: 600;
  box-shadow: none;
}

#main-nav > .nav-link::before,
#main-nav > .nav-menu > summary::before {
  width: 22px;
  color: var(--text-dim, #9e968c);
  font-size: 15px;
  text-align: center;
}

#main-nav > .friend-nav-menu > summary::before { content: "◎"; }
#main-nav > .nav-link[data-view="inspirations"]::before { content: "✦"; }
#main-nav > .nav-link[data-view="studio"]::before { content: "♫"; }
#main-nav > #my-menu > summary::before { content: "▦"; }

#main-nav > .nav-link:hover,
#main-nav > .nav-menu > summary:hover,
#main-nav > .nav-link.active,
#main-nav > .nav-menu.active > summary {
  color: var(--lime-deep);
  background: rgba(22, 128, 94, 0.08);
}

.nav-menu { position: relative; width: 100%; }

.nav-dropdown,
.friend-nav-dropdown {
  top: 0;
  left: calc(100% + 12px);
  right: auto;
  width: min(360px, calc(100vw - 280px));
  max-height: calc(100dvh - 40px);
  overflow: auto;
  border: 1px solid var(--line);
  color: var(--ink);
  background: rgba(255, 253, 249, 0.98);
  box-shadow: 0 18px 50px rgba(45, 37, 28, 0.15);
}

.nav-dropdown button,
.friend-section,
.friend-row,
.friend-search-result,
.friend-request-card {
  color: var(--ink);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.75);
}

.nav-dropdown button:hover,
.friend-row:hover,
.friend-row.active { background: rgba(22, 128, 94, 0.07); }

.friend-section > summary,
.friend-empty,
.friend-request-card small,
.friend-row small,
.friend-message small { color: var(--muted); }

.friend-search-form input,
.friend-search-form select,
.friend-chat > form input,
.share-friend-row select {
  color: var(--ink);
  border-color: var(--line);
  background: #fff;
}

.friend-search-form select option { color: var(--ink); background: #fff; }
.friend-messages { background: #f5f0e9; }
.friend-message p,
.friend-message a { color: var(--ink); background: #fff; }
.friend-message.mine p,
.friend-message.mine a { background: #dff1e8; }

.account-menu {
  order: 5;
  width: 100%;
  margin-top: auto;
}

.account-menu > summary {
  width: 100%;
  min-height: 54px;
  padding: 8px 10px;
  justify-content: flex-start;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.66);
}

.account-menu > summary > span {
  color: white;
  background: var(--lime);
}

.account-menu > div {
  right: auto;
  bottom: calc(100% + 8px);
  left: 0;
  width: 100%;
  color: var(--ink);
  border-color: var(--line);
  background: #fffdf9;
}

main {
  width: auto;
  max-width: none;
  min-height: 100dvh;
  margin: 0 0 0 240px;
  padding: 24px;
}

.view { width: 100%; }

#studio-view .studio-grid {
  width: 100%;
  max-width: none;
  margin: 0;
  display: grid;
  grid-template-columns: minmax(540px, 1fr) minmax(300px, 340px);
  align-items: start;
  gap: 20px;
}

.composer-card,
.review-panel,
.editor-card,
.inspiration-record-card,
.inspiration-list-card {
  color: var(--ink);
  border: 1px solid var(--line);
  background: var(--card);
  box-shadow: var(--shadow);
}

.composer-card {
  padding: clamp(24px, 3vw, 38px);
  border-radius: 20px;
}

.card-heading h2,
.review-heading h2,
.inspiration-record-card h2,
.inspiration-list-head h2 { color: var(--ink); }

.card-heading p,
.review-heading p,
.inspiration-record-card > p,
.inspirations-head p,
.library-head p,
.editor-head p { color: var(--muted); }

.step-number,
.idea-note-icon {
  color: var(--lime);
  border-color: rgba(22, 128, 94, 0.16);
  background: rgba(22, 128, 94, 0.06);
}

.mode-option,
.provider-option,
.choice,
.draft-button,
.outline-button,
.review-back {
  color: var(--ink);
  border-color: var(--line);
  background: #fff;
  box-shadow: none;
}

.mode-option:hover,
.provider-option:hover,
.choice:hover,
.draft-button:hover,
.outline-button:hover { border-color: rgba(22, 128, 94, 0.3); }

.mode-option.active,
.provider-option.active,
.choice.active {
  color: var(--lime-deep);
  border-color: rgba(22, 128, 94, 0.48);
  background: rgba(22, 128, 94, 0.06);
  box-shadow: 0 7px 22px rgba(22, 128, 94, 0.08);
}

.provider-icon,
.deepseek-mark { color: #fff; background: var(--lime); }

.field-label { color: var(--muted); }

textarea,
input,
select,
.inspiration-field textarea,
.lyrics-assistant select,
.editor-card input,
.editor-card textarea,
.editor-card select {
  color: var(--ink);
  border-color: var(--line);
  background-color: rgba(255, 255, 255, 0.9);
}

textarea::placeholder,
input::placeholder { color: #aaa298; }

textarea:focus,
input:focus,
select:focus {
  border-color: rgba(22, 128, 94, 0.42);
  box-shadow: 0 0 0 3px rgba(22, 128, 94, 0.08);
}

select {
  background-image:
    linear-gradient(45deg, transparent 50%, var(--lime) 50%),
    linear-gradient(135deg, var(--lime) 50%, transparent 50%);
}

.audio-inspiration,
.lyrics-assistant {
  color: var(--ink);
  border-color: rgba(22, 128, 94, 0.18);
  background: rgba(22, 128, 94, 0.045);
}

.audio-dropzone,
.audio-uploaded {
  color: var(--ink);
  border-color: rgba(45, 40, 34, 0.13);
  background: rgba(255, 255, 255, 0.72);
}

.audio-dropzone small,
.audio-uploaded small,
.field-help,
.free-note { color: var(--muted); }

.primary-button,
.friend-search-form button,
.friend-chat > form button,
.share-friend-row button {
  color: #fff;
  border-color: var(--lime);
  background: var(--lime);
  box-shadow: 0 9px 24px rgba(22, 128, 94, 0.18);
}

.primary-button:hover { background: var(--lime-deep); }
.draft-button { color: var(--lime-deep); }

.preview-panel {
  position: sticky;
  top: 24px;
  width: 100%;
  min-width: 0;
  height: calc(100dvh - 48px);
  min-height: 600px;
  max-height: none;
  overflow: hidden;
  color: #f5f1e9;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 20px;
  background:
    radial-gradient(circle at 82% 8%, rgba(22, 128, 94, 0.25), transparent 32%),
    linear-gradient(160deg, #1f2a25 0%, #111714 68%);
  box-shadow: 0 20px 50px rgba(24, 30, 27, 0.2);
}

.preview-panel.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 30px;
  text-align: center;
}

.preview-panel .eyebrow { color: rgba(255, 255, 255, 0.45); }
.preview-panel h2 { color: #fff; }
.preview-panel > p:last-child { color: rgba(255, 255, 255, 0.56); }
.preview-panel.result-state { overflow: hidden; }
.result-content { height: 100%; overflow-y: auto; scrollbar-width: thin; }
.result-meta span { color: rgba(255, 255, 255, 0.62); border-color: rgba(255, 255, 255, 0.13); }

.library-head,
.inspirations-head,
.editor-head {
  max-width: 1180px;
  margin: 0 auto 22px;
}

.library-head h1,
.inspirations-head h1,
.editor-head h1 {
  color: var(--ink);
  font-family: Georgia, "Songti SC", serif;
}

.project-list,
.inspirations-layout,
.version-editor { max-width: 1180px; margin-inline: auto; }

.project-card,
.collaboration-card,
.inspiration-record,
.comment-card {
  color: var(--ink);
  border-color: var(--line);
  background: var(--card);
  box-shadow: var(--shadow);
}

.project-card p,
.project-card small,
.collaboration-card p,
.inspiration-record > p,
.comment-card small { color: var(--muted); }

.review-panel {
  padding: clamp(22px, 3vw, 36px);
  border-radius: 20px;
}

.editor-card { border-radius: 18px; }
.stem-workspace,
.stem-inspector,
.stem-track {
  color: var(--ink);
  border-color: var(--line);
  background: #f7f2eb;
}

dialog {
  color: var(--ink);
  border-color: rgba(45, 40, 34, 0.16);
  background: #fffdf9;
  box-shadow: 0 24px 70px rgba(45, 37, 28, 0.23);
}

dialog::backdrop { background: rgba(36, 31, 27, 0.48); }
.share-friend-panel { background: rgba(22, 128, 94, 0.06); }

.auth-screen {
  background:
    radial-gradient(circle at 30% 20%, rgba(22, 128, 94, 0.12), transparent 35%),
    rgba(250, 247, 242, 0.97);
}

.auth-card {
  color: var(--ink);
  border-color: var(--line);
  background: #fffdf9;
}

/* CK tablet: keep the sidebar but move preview below the form. */
@media (max-width: 1180px) {
  .site-header { width: 214px; }
  body::before { width: 214px; }
  main { margin-left: 214px; }
  #studio-view .studio-grid { grid-template-columns: 1fr; }
  .preview-panel {
    position: relative;
    top: auto;
    height: auto;
    min-height: 680px;
  }
}

/* H5: compact two-row app bar; all four navigation entries stay visible. */
@media (max-width: 760px) {
  body {
    padding: 0;
    padding-top: calc(108px + env(safe-area-inset-top));
    padding-bottom: env(safe-area-inset-bottom);
  }

  body::before { display: none; }

  .site-header {
    inset: 0 0 auto;
    width: 100%;
    height: calc(108px + env(safe-area-inset-top));
    padding: env(safe-area-inset-top) 12px 7px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-rows: 54px 42px;
    gap: 0 8px;
    border: 0;
    border-bottom: 1px solid var(--line);
    background: rgba(250, 247, 242, 0.97);
    box-shadow: 0 6px 22px rgba(45, 37, 28, 0.08);
  }

  .site-header .brand {
    grid-column: 1;
    grid-row: 1;
    min-width: 0;
    padding: 4px 2px;
  }

  .site-header .brand > span:last-child {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .site-header .brand small { display: none; }
  .site-header .brand-mark { width: 34px; height: 34px; }
  .header-pitch { display: none; }

  .account-menu {
    grid-column: 2;
    grid-row: 1;
    width: auto;
    margin: 0;
    align-self: center;
  }

  .account-menu > summary {
    width: 42px;
    min-height: 42px;
    padding: 0;
    justify-content: center;
    border: 0;
    background: transparent;
  }

  .account-menu > summary > b,
  .account-menu > summary > i { display: none; }
  .account-menu > summary > span { width: 36px; height: 36px; }

  .account-menu > div {
    top: calc(100% + 8px);
    right: 0;
    bottom: auto;
    left: auto;
    width: 170px;
  }

  #main-nav {
    grid-column: 1 / -1;
    grid-row: 2;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 4px;
    width: 100%;
    margin: 0;
    padding: 3px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: rgba(245, 239, 230, 0.92);
    box-shadow: none;
  }

  #main-nav > .nav-link,
  #main-nav > .nav-menu > summary {
    min-width: 0;
    min-height: 38px;
    padding: 0 3px;
    justify-content: center;
    gap: 3px;
    font-size: 12px;
    white-space: nowrap;
  }

  #main-nav > .nav-link::before,
  #main-nav > .nav-menu > summary::before { display: none; }

  #main-nav .nav-caret { display: none; }
  .friend-nav-menu summary > em { position: static; }

  .nav-dropdown,
  .friend-nav-dropdown {
    position: fixed;
    inset: calc(102px + env(safe-area-inset-top)) 8px auto;
    width: auto;
    max-height: calc(100dvh - 120px - env(safe-area-inset-top));
    border-radius: 16px;
  }

  main {
    width: 100%;
    min-height: calc(100dvh - 108px - env(safe-area-inset-top));
    margin: 0;
    padding: 14px 12px calc(24px + env(safe-area-inset-bottom));
  }

  #studio-view .studio-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 14px; }

  .composer-card,
  .review-panel,
  .editor-card,
  .inspiration-record-card,
  .inspiration-list-card {
    width: 100%;
    min-width: 0;
    padding: 20px 16px;
    border-radius: 16px;
  }

  .card-heading { align-items: flex-start; }
  .card-heading h2 { font-size: 20px; }
  .step-number { width: 40px; height: 40px; flex: 0 0 40px; }

  .creation-switch,
  .provider-switch,
  .settings-row,
  .creation-actions,
  .comment-fields,
  .editor-fields.two-columns,
  .editor-fields.three-columns,
  .version-editor,
  .inspirations-layout { grid-template-columns: minmax(0, 1fr); }

  .mode-option,
  .provider-option { min-height: 74px; }
  .choice-row { overflow-x: auto; flex-wrap: nowrap; padding-bottom: 3px; }
  .choice { flex: 0 0 auto; }
  .inspiration-field textarea { min-height: 180px; }
  .audio-dropzone { padding: 16px; }
  .assistant-actions { grid-template-columns: minmax(0, 1fr); }

  .preview-panel {
    position: relative;
    top: auto;
    width: 100%;
    height: auto;
    min-height: 620px;
    max-height: none;
    border-radius: 16px;
  }

  .preview-panel.empty-state { min-height: 420px; }
  .result-content { overflow: visible; }

  .library-head,
  .inspirations-head,
  .editor-head {
    margin-bottom: 16px;
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .library-head h1,
  .inspirations-head h1,
  .editor-head h1 { font-size: clamp(30px, 10vw, 44px); }

  .project-card { padding: 18px 14px; }
  .project-card-actions { width: 100%; flex-wrap: wrap; }
  .project-card-actions button { flex: 1 1 28%; }

  .friend-search-form { grid-template-columns: minmax(0, 1fr) auto; }
  .friend-messages { max-height: 42dvh; }
  .stem-workspace { grid-template-columns: minmax(0, 1fr); }

  dialog {
    width: calc(100% - 20px);
    max-width: none;
    max-height: calc(100dvh - 24px);
    border-radius: 18px;
    overflow-y: auto;
  }

  #toast {
    right: 12px;
    bottom: calc(14px + env(safe-area-inset-bottom));
    left: 12px;
  }
}

/* Final SongSeed component skin: this deliberately comes last. */
.nav-dropdown,
.friend-nav-dropdown,
.account-menu > div,
.result-version-dropdown,
.card-version-dropdown {
  color: var(--ink);
  border-color: rgba(45, 40, 34, 0.12);
  background: rgba(255, 253, 249, 0.985);
  box-shadow: 0 18px 48px rgba(45, 37, 28, 0.16);
}

.nav-dropdown button,
.result-version-dropdown button,
.card-version-dropdown button {
  color: var(--ink);
  background: transparent;
}

.nav-dropdown button:hover,
.result-version-dropdown button:hover,
.result-version-dropdown button.active,
.card-version-dropdown button:hover,
.card-version-dropdown button.active {
  color: var(--lime-deep);
  background: rgba(22, 128, 94, 0.075);
}

.nav-dropdown small,
.result-version-dropdown small,
.card-version-dropdown small,
.friend-section > summary,
.friend-empty,
.friend-request-card small,
.friend-row small,
.friend-message small {
  color: var(--muted);
}

.friend-section,
.friend-search-result,
.friend-request-card,
.friend-row {
  color: var(--ink);
  border-color: rgba(45, 40, 34, 0.1);
  background: #fffdf9;
}

.friend-section > summary { background: #fbf7f1; }
.friend-section[open] > summary {
  color: var(--lime-deep);
  background: rgba(22, 128, 94, 0.065);
}

.friend-messages {
  border: 1px solid rgba(45, 40, 34, 0.08);
  background: #f4efe8;
}

.friend-message p,
.friend-message a { color: var(--ink); background: #fffdf9; }
.friend-message.mine p,
.friend-message.mine a { color: #163b2d; background: #dfeee7; }

select,
select option,
.friend-search-form select,
.friend-search-form select option,
.share-friend-row select,
.settings-row select,
.settings-row select option,
.assistant-actions select {
  color: var(--ink);
  border-color: rgba(45, 40, 34, 0.13);
  background-color: #fffdf9;
}

.comment-form,
.comment-card,
.comment-reply,
.collaboration-card,
.collaboration-empty,
.share-box,
.collaboration-login,
.collaboration-success {
  color: var(--ink);
  border-color: rgba(45, 40, 34, 0.1);
  background: #fffdf9;
}

.comment-form,
.comment-reply,
.collaboration-card blockquote,
.collaboration-login,
.collaboration-success,
.feedback-replies > div {
  color: var(--ink);
  background: rgba(22, 128, 94, 0.055);
}

.comment-card p,
.comment-reply p,
.collaboration-card blockquote,
.feedback-item p { color: #514b44; }

.comment-status-actions button,
.adopt-button,
.collaboration-form fieldset label {
  color: var(--ink);
  border-color: rgba(45, 40, 34, 0.12);
  background: #fff;
}

.comment-reply-form button,
.primary-button,
.friend-search-form button,
.friend-chat > form button,
.share-friend-row button {
  color: #fff;
  border-color: var(--lime);
  background: var(--lime);
}

dialog,
dialog form {
  color: var(--ink);
  background: #fffdf9;
}

.dialog-close { color: var(--ink); background: #f0ebe4; }
.share-friend-panel {
  color: var(--ink);
  border: 1px solid rgba(22, 128, 94, 0.12);
  background: rgba(22, 128, 94, 0.055);
}

.audio-dropzone,
.audio-uploaded,
.hold-record-button {
  color: var(--ink);
  border-color: rgba(45, 40, 34, 0.13);
  background: #fffdf9;
}

.audio-dropzone:hover,
.hold-record-button:hover {
  border-color: rgba(22, 128, 94, 0.36);
  background: rgba(22, 128, 94, 0.045);
}

.hold-record-button.microphone-unavailable { border-style: dashed; }
.hold-record-button.microphone-unavailable em { color: #a15a4f; }
.voice-record > small { color: var(--muted); line-height: 1.55; }

#toast {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.12);
  background: #263c2d;
}

@media (max-width: 760px) {
  .nav-dropdown,
  .friend-nav-dropdown {
    color: var(--ink);
    border-color: rgba(45, 40, 34, 0.12);
    background: rgba(255, 253, 249, 0.99);
  }

  .result-version-dropdown,
  .card-version-dropdown {
    position: fixed;
    inset: auto 12px calc(16px + env(safe-area-inset-bottom));
    z-index: 80;
    width: auto;
    max-height: 52dvh;
    overflow-y: auto;
    border-radius: 18px;
  }
}

/* SongSeed canonical layer is appended at EOF so no legacy theme can override it. */
:root {
  --ink: #2d2822;
  --muted: #7a7369;
  --hint: #9e968c;
  --faint: #bfb8ad;
  --paper: #faf7f2;
  --card: rgba(255, 255, 255, 0.95);
  --line: rgba(45, 40, 34, 0.07);
  --lime: #16805e;
  --lime-hover: #1ea374;
  --lime-deep: #0e5c3f;
  --coral: #d4852b;
  --danger: #e05050;
  --shadow: 0 10px 28px rgba(45, 37, 28, 0.08);
  --shadow-large: 0 20px 52px rgba(45, 37, 28, 0.12);
  --ease-standard: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

html,
body,
button,
input,
textarea,
select {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

body {
  color: var(--ink);
  background:
    radial-gradient(circle at 0 0, rgba(22, 128, 94, 0.08), transparent 38%),
    radial-gradient(circle at 100% 100%, rgba(212, 133, 43, 0.05), transparent 36%),
    var(--paper);
  font-size: 14px;
  line-height: 1.55;
}

h1,
h2,
h3,
h4 {
  color: var(--ink);
  font-weight: 700;
  letter-spacing: -0.018em;
}

.eyebrow {
  color: var(--faint);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.field-help,
.field-footer,
.dialog-note,
.voice-record > small,
.audio-dropzone small,
.audio-uploaded small {
  color: var(--hint);
  font-size: 11px;
}

.site-header { background: rgba(245, 239, 230, 0.96); }

#studio-view .studio-grid {
  max-width: 1240px;
  margin-inline: auto;
  grid-template-columns: minmax(540px, 880px) minmax(300px, 340px);
  justify-content: center;
}

.composer-card,
.review-panel,
.editor-card,
.inspiration-record-card,
.inspiration-list-card,
.project-card,
.collaboration-card,
.comment-card,
.share-box,
.auth-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--card);
  box-shadow: var(--shadow);
}

button,
a,
summary,
input,
textarea,
select {
  transition:
    color 180ms var(--ease-standard),
    background-color 180ms var(--ease-standard),
    border-color 180ms var(--ease-standard),
    box-shadow 180ms var(--ease-standard),
    transform 180ms var(--ease-standard);
}

input,
textarea,
select,
.friend-search-form input,
.friend-chat > form input {
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--ink);
  background: #fff;
}

input:focus,
textarea:focus,
select:focus {
  border-color: rgba(22, 128, 94, 0.42);
  outline: 0;
  box-shadow: 0 0 0 3px rgba(22, 128, 94, 0.07);
}

.primary-button,
.friend-search-form button,
.friend-chat > form button,
.share-friend-row button,
.copy-row button {
  border-radius: 999px;
  color: #fff;
  background: var(--lime);
  font-weight: 700;
}

.primary-button:hover,
.friend-search-form button:hover,
.friend-chat > form button:hover,
.share-friend-row button:hover,
.copy-row button:hover {
  background: var(--lime-hover);
  box-shadow: 0 8px 22px rgba(22, 128, 94, 0.18);
  transform: translateY(-1px);
}

.choice,
.version-chip,
.scope-chip,
.role-chip,
.adopt-state,
.comment-status,
.comment-status-actions button {
  border-radius: 999px;
}

.choice.active,
.version-chip.featured {
  color: #fff;
  border-color: var(--lime);
  background: var(--lime);
}

.nav-link:hover,
.nav-link.active,
.nav-menu.active > summary {
  color: var(--ink);
  background: rgba(22, 128, 94, 0.07);
}

.nav-dropdown,
.friend-nav-dropdown,
.account-menu > div,
.result-version-dropdown,
.card-version-dropdown {
  border-radius: 14px;
  box-shadow: var(--shadow-large);
}

.nav-dropdown button:hover,
.result-version-dropdown button:hover,
.result-version-dropdown button.active,
.card-version-dropdown button:hover,
.card-version-dropdown button.active {
  background: rgba(22, 128, 94, 0.07);
}

dialog {
  border-radius: 20px;
  box-shadow: var(--shadow-large);
}

dialog::backdrop {
  background: rgba(45, 37, 28, 0.32);
  backdrop-filter: blur(7px);
}

.dialog-close { border-radius: 999px; }

.audio-dropzone,
.audio-uploaded,
.hold-record-button { border-radius: 14px; }

.hold-record-button.recording {
  color: #fff;
  border-color: var(--lime);
  background: var(--lime);
  box-shadow: 0 8px 24px rgba(22, 128, 94, 0.18);
}

.hold-record-button.recording i { background: rgba(255, 255, 255, 0.14); }
.hold-record-button.recording i::before,
.hold-record-button.recording i::after { border-color: #fff; }
.hold-record-button.recording em { color: rgba(255, 255, 255, 0.76); }

.danger,
button.danger { color: var(--danger); }

@media (max-width: 1180px) {
  #studio-view .studio-grid {
    max-width: 880px;
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 760px) {
  body { font-size: 14px; }
  .site-header { background: rgba(245, 239, 230, 0.98); }

  .composer-card,
  .review-panel,
  .editor-card,
  .inspiration-record-card,
  .inspiration-list-card,
  .project-card,
  .collaboration-card,
  .comment-card,
  .share-box {
    border-radius: 14px;
    box-shadow: 0 8px 22px rgba(45, 37, 28, 0.08);
  }

  .primary-button,
  .draft-button,
  .outline-button { min-height: 50px; }

  .friend-search-form {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px;
    padding-top: 12px;
  }

  .friend-search-form input {
    grid-column: 1 / -1;
    grid-row: 1;
  }

  .friend-search-form select {
    grid-column: 1;
    grid-row: 2;
  }

  .friend-search-form button {
    grid-column: 2;
    grid-row: 2;
    min-height: 42px;
    padding-inline: 16px;
  }
}

@media (min-width: 761px) {
  #main-nav > .nav-link,
  #main-nav > .nav-menu > summary {
    display: grid;
    grid-template-columns: 22px minmax(0, 1fr) auto auto;
    align-items: center;
    column-gap: 8px;
    text-align: left;
  }

  #main-nav > .nav-link::before,
  #main-nav > .nav-menu > summary::before {
    margin: 0;
    justify-self: center;
  }

  #main-nav .friend-nav-menu summary > em,
  #main-nav .nav-caret {
    margin: 0;
    justify-self: end;
  }

  .preview-panel.result-state .result-content {
    width: calc(100% - 48px);
    height: calc(100% - 48px);
    margin: 24px;
    transform: none;
    animation: resultRevealSafe 280ms var(--ease-standard) both;
  }

  .preview-panel.result-state .result-top {
    align-items: flex-start;
    padding-top: 4px;
  }

  .preview-panel.result-state .version-badge {
    padding: 8px 12px;
    line-height: 1.2;
  }
}

@media (min-width: 1181px) {
  #studio-view .studio-grid {
    max-width: 1380px;
    grid-template-columns: minmax(520px, 880px) minmax(360px, 480px);
  }
}

@keyframes resultRevealSafe {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

.creator-mark {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 6px;
  margin: 0 0 10px;
  padding: 4px 9px 4px 4px;
  color: var(--ink);
  border: 1px solid rgba(22, 128, 94, 0.12);
  border-radius: 999px;
  background: rgba(22, 128, 94, 0.06);
  line-height: 1;
}

.creator-mark i {
  display: grid;
  width: 22px;
  height: 22px;
  place-items: center;
  color: #fff;
  border-radius: 50%;
  background: var(--lime);
  font-size: 10px;
  font-style: normal;
  font-weight: 800;
}

.creator-mark small {
  color: var(--muted);
  font-size: 10px;
}

.creator-mark b {
  color: inherit;
  font-size: 11px;
  font-weight: 700;
}

.result-top .creator-mark,
.share-hero .creator-mark {
  color: rgba(255, 255, 255, 0.88);
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.07);
}

.result-top .creator-mark small,
.share-hero .creator-mark small {
  color: rgba(255, 255, 255, 0.48);
}

@media (max-width: 760px) {
  .creator-mark { margin-bottom: 8px; }
}

/* Result cards grow with their content; only the browser page scrolls. */
.preview-panel.result-state {
  position: relative;
  top: auto;
  height: auto;
  min-height: 0;
  max-height: none;
  align-self: start;
  overflow: hidden;
}

.preview-panel.result-state .result-content {
  grid-template-rows: repeat(6, auto);
  height: auto;
  min-height: 0;
  max-height: none;
  overflow: visible;
}

.preview-panel.result-state .result-body {
  height: auto;
  min-height: 0;
  max-height: none;
  overflow: visible;
}

@media (max-width: 760px) {
  .preview-panel.result-state {
    min-height: 0;
  }

  .preview-panel.result-state .result-content {
    width: 100%;
    margin: 0;
  }
}