:root {
  color-scheme: dark;
  --ink: #f7f5ef;
  --muted: #9ca3b6;
  --line: rgba(255,255,255,.11);
  --panel: rgba(22,25,36,.78);
  --accent: #ff6846;
  --accent-2: #b44cff;
  --danger: #ff5364;
  --success: #6ee7a8;
}
* { box-sizing: border-box; }
html { min-height: 100%; font: 16px/1.5 Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif; }
body { min-height: 100vh; margin: 0; color: var(--ink); background: radial-gradient(circle at 10% -10%, rgba(180,76,255,.22), transparent 36rem), radial-gradient(circle at 90% 10%, rgba(255,104,70,.15), transparent 32rem), #090b12; }
a { color: inherit; }
button, input, textarea { font: inherit; }
.site-header { min-height: 72px; padding: 10px max(24px, calc((100vw - 1280px)/2)); display: flex; align-items: center; gap: 44px; border-bottom: 1px solid var(--line); background: rgba(9,11,18,.8); backdrop-filter: blur(18px); position: sticky; top: 0; z-index: 20; }
.wordmark { display: flex; align-items: center; gap: 10px; font-weight: 800; text-decoration: none; letter-spacing: -.02em; }
.brand-mark { width: 56px; height: 56px; display: grid; place-items: center; border-radius: 18px; background: linear-gradient(140deg, var(--accent), var(--accent-2)); font-weight: 900; box-shadow: 0 16px 40px rgba(180,76,255,.25); }
.brand-mark.small { width: 34px; height: 34px; border-radius: 10px; }
.site-header nav { display: flex; gap: 26px; flex: 1; }
.site-header nav a, .account-menu a, .account-menu button { color: var(--muted); text-decoration: none; background: none; border: 0; padding: 8px 0; cursor: pointer; }
.site-header a:hover, .account-menu button:hover { color: var(--ink); }
.account-menu { display: flex; align-items: center; gap: 16px; font-size: .875rem; }
.account-menu span { max-width: 220px; overflow: hidden; text-overflow: ellipsis; }
.account-menu form { margin: 0; }
.page-shell { width: min(1280px, calc(100% - 48px)); margin: 0 auto; padding: 58px 0 80px; }
.page-heading { margin-bottom: 32px; }
.split-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; }
.eyebrow { margin: 0 0 8px; color: #f697e8; font-size: .75rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
h1 { margin: 0; max-width: 850px; font-size: clamp(2.4rem, 5vw, 5.2rem); line-height: .98; letter-spacing: -.06em; }
h2 { letter-spacing: -.03em; }
.page-heading p:not(.eyebrow), .muted, .hint, .fine-print, .style-line { color: var(--muted); }
.status-chip, .job-status { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--line); border-radius: 999px; padding: 7px 12px; color: var(--muted); font-size: .78rem; font-weight: 700; }
.status-chip span { width: 7px; height: 7px; border-radius: 50%; background: var(--success); box-shadow: 0 0 12px var(--success); }
.panel, .track-card { border: 1px solid var(--line); background: var(--panel); border-radius: 22px; box-shadow: 0 24px 80px rgba(0,0,0,.22); backdrop-filter: blur(14px); }
.composer-grid, .detail-grid { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(320px, .8fr); gap: 22px; }
.composer-grid > .panel, .detail-grid > .panel { padding: 28px; }
.field { display: grid; gap: 8px; margin-bottom: 24px; }
.field-row { display: flex; gap: 18px; }
.field.grow { flex: 1; }
.duration-field { width: 120px; }
label { font-size: .82rem; font-weight: 750; letter-spacing: .02em; }
.label-row { display: flex; justify-content: space-between; gap: 12px; }
.label-row span { color: var(--muted); font-size: .74rem; }
input, textarea { width: 100%; color: var(--ink); background: rgba(3,4,8,.55); border: 1px solid var(--line); border-radius: 11px; padding: 12px 14px; outline: 0; resize: vertical; }
input:focus, textarea:focus { border-color: rgba(246,151,232,.7); box-shadow: 0 0 0 3px rgba(180,76,255,.12); }
textarea { min-height: 100px; }
details { margin: 4px 0 26px; border-top: 1px solid var(--line); padding-top: 18px; }
summary { cursor: pointer; font-weight: 700; }
.advanced-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 20px; }
.advanced-grid .field { margin: 0; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 46px; border: 1px solid var(--line); border-radius: 11px; padding: 0 18px; color: var(--ink); background: rgba(255,255,255,.05); font-weight: 800; text-decoration: none; cursor: pointer; }
.button.primary { background: linear-gradient(110deg, var(--accent), #ec4f88); border: 0; }
.button.secondary:hover { background: rgba(255,255,255,.1); }
.button.danger { color: #ffd9dd; border-color: rgba(255,83,100,.4); }
.wide, .generate-button { width: 100%; }
.generate-button { justify-content: space-between; }
.fine-print { font-size: .75rem; text-align: center; }
.track-list { display: grid; gap: 12px; }
.track-card { display: grid; grid-template-columns: 50px 1fr auto; align-items: center; gap: 18px; padding: 18px 22px; text-decoration: none; }
.track-card:hover { border-color: rgba(246,151,232,.4); transform: translateY(-1px); }
.track-icon { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 13px; background: linear-gradient(145deg, #473378, #272b51); }
.track-main h2 { margin: 0 0 2px; font-size: 1rem; }
.track-main p { margin: 0; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 55vw; }
.track-meta { display: grid; justify-items: end; gap: 7px; color: var(--muted); font-size: .75rem; }
.track-main { min-width: 0; text-decoration: none; }
.heading-actions, .inline-playlist-form, .new-playlist, .pager { display: flex; align-items: center; gap: 10px; }
.inline-playlist-form select { width: 130px; color: var(--ink); background: #151927; border: 1px solid var(--line); border-radius: 8px; padding: 6px; }
.button.compact { min-height: 31px; padding: 0 10px; font-size: .72rem; }
.pager { justify-content: center; margin-top: 28px; color: var(--muted); }
.status-completed { color: var(--success); }
.status-failed, .status-canceled { color: #ff8b98; }
.status-generating, .status-decoding, .status-finalizing { color: #f9b4ee; }
.empty-state { padding: 60px; text-align: center; }
.playlist-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 16px; }
.playlist-card { display: flex; align-items: center; gap: 18px; padding: 20px; text-decoration: none; }
.playlist-card h2, .playlist-card p { margin: 0; }
.playlist-card p { color: var(--muted); }
.playlist-cover { width: 72px; aspect-ratio: 1; display: grid; place-items: center; flex: none; border-radius: 16px; font-size: 1.8rem; background: linear-gradient(145deg, #7b3da5, #26375f); }
.new-playlist { padding: 14px; border: 1px solid var(--line); border-radius: 16px; background: var(--panel); }
.new-playlist div { display: grid; gap: 3px; }
.playlist-layout { display: grid; grid-template-columns: minmax(300px, .75fr) minmax(0, 1.25fr); gap: 22px; }
.playlist-player, .playlist-queue { padding: 26px; }
.playlist-player .album-art { width: min(280px, 80%); }
.playlist-queue ol { list-style: none; padding: 0; margin: 0; }
.playlist-queue li { display: grid; grid-template-columns: 1fr auto; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.playlist-queue li.active { border-left: 3px solid #f697e8; padding-left: 12px; }
.track-select { display: grid; gap: 3px; min-width: 0; color: var(--ink); text-align: left; background: none; border: 0; cursor: pointer; }
.track-select span, .track-select small { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.track-select small { color: var(--muted); }
.queue-actions { display: flex; align-items: center; gap: 7px; font-size: .7rem; }
.queue-actions form { display: flex; margin: 0; }
.queue-actions a, .queue-actions button { color: var(--muted); background: none; border: 0; cursor: pointer; font: inherit; }
.playlist-settings { margin-top: 22px; padding: 22px; }
.playlist-settings form { margin-top: 22px; }
.detail-hero { display: flex; align-items: end; justify-content: space-between; gap: 22px; margin-bottom: 32px; }
.detail-hero h1 { font-size: clamp(2.2rem, 4vw, 4.6rem); }
.back-link { display: inline-block; margin-bottom: 32px; color: var(--muted); text-decoration: none; }
.player-panel { text-align: center; }
.album-art, .progress-visual { width: min(360px, 80%); aspect-ratio: 1; margin: 10px auto 30px; display: grid; place-items: center; border-radius: 28px; background: radial-gradient(circle at 30% 20%, #f06da5, #593889 45%, #161a31 80%); font-size: 5rem; box-shadow: 0 32px 70px rgba(0,0,0,.35); }
audio { width: 100%; }
.player-actions { display: flex; justify-content: center; gap: 10px; margin-top: 22px; }
.player-actions form { margin: 0; }
.prompt-panel pre { white-space: pre-wrap; font: inherit; color: var(--muted); max-height: 420px; overflow: auto; }
.facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin: 0 0 30px; }
.facts div { border-bottom: 1px solid var(--line); padding-bottom: 9px; }
.facts dt { color: var(--muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; }
.facts dd { margin: 4px 0 0; font-weight: 700; }
.auth-body .page-shell { width: 100%; padding: 0; }
.auth-shell { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.auth-card { width: min(440px, 100%); padding: 42px; border: 1px solid var(--line); border-radius: 26px; background: rgba(20,22,32,.86); box-shadow: 0 40px 100px rgba(0,0,0,.4); }
.auth-card .brand-mark { margin-bottom: 28px; }
.auth-card h1 { font-size: 2.5rem; margin-bottom: 12px; }
.auth-card form { display: grid; gap: 9px; margin-top: 30px; }
.auth-card form > span { min-height: 14px; }
.check-row { display: flex; align-items: center; gap: 9px; margin: 7px 0 16px; color: var(--muted); }
.check-row input { width: auto; }
.validation-summary, .field-validation-error, .error-card { color: #ff9da7; font-size: .8rem; }
.validation-summary ul { padding-left: 20px; }
.toast { position: fixed; z-index: 100; right: 24px; top: 88px; padding: 12px 16px; border-radius: 10px; background: #222738; box-shadow: 0 12px 40px #0008; }
.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--danger); }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 13px; border-bottom: 1px solid var(--line); text-align: left; }
th { color: var(--muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; }
@media (max-width: 800px) {
  .site-header { height: auto; min-height: 64px; padding: 12px 18px; gap: 18px; flex-wrap: wrap; }
  .site-header nav { order: 3; flex-basis: 100%; }
  .account-menu { margin-left: auto; }
  .account-menu > span { display: none; }
  .page-shell { width: min(100% - 28px, 1280px); padding-top: 36px; }
  .composer-grid, .detail-grid { grid-template-columns: 1fr; }
  .playlist-layout { grid-template-columns: 1fr; }
  .split-heading, .detail-hero { align-items: start; flex-direction: column; }
  .advanced-grid { grid-template-columns: 1fr; }
  .track-card { grid-template-columns: 42px 1fr; }
  .track-meta { grid-column: 2; justify-items: start; }
  .new-playlist, .heading-actions { align-items: stretch; flex-direction: column; width: 100%; }
}