:root {
  --bg: #121110;
  --panel: #1b1917;
  --panel-2: #232019;
  --line: #332e27;
  --text: #f3ede3;
  --muted: #a89d8d;
  --amber: #e6a856;
  --amber-strong: #f3b96b;
  --green: #73c08a;
  --red: #e2716b;
  --radius: 16px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: radial-gradient(1200px 600px at 20% -10%, #2a231b 0%, var(--bg) 55%);
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
  min-height: 100vh;
}

h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: .3px; }
p { margin: 0; line-height: 1.6; }
button { font-family: inherit; cursor: pointer; }
.hidden { display: none !important; }
.muted { color: var(--muted); font-size: 13px; }
.small-text { font-size: 12px; }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 32px;
  border-bottom: 1px solid var(--line);
  background: rgba(18, 17, 16, .75);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand { display: flex; gap: 14px; align-items: center; }
.logo {
  width: 46px; height: 46px; border-radius: 14px;
  display: grid; place-items: center;
  background: linear-gradient(145deg, #f0b96a, #c97f2f);
  color: #241a0d; font-weight: 700; font-size: 20px;
  box-shadow: 0 8px 24px rgba(230, 168, 86, .25);
}
.brand-text h1 { font-size: 18px; }
.brand-text p { color: var(--muted); font-size: 12px; margin-top: 2px; }

.badge {
  font-size: 12px; padding: 7px 12px; border-radius: 999px;
  border: 1px solid var(--line);
}
.badge-demo { color: #f0d9ae; background: rgba(230, 168, 86, .12); border-color: rgba(230, 168, 86, .35); }
.badge-live { color: #ffd2cd; background: rgba(226, 113, 107, .12); border-color: rgba(226, 113, 107, .4); }

.tabs {
  display: flex; gap: 6px; padding: 14px 32px 0; max-width: 1180px; margin: 0 auto;
}
.tab {
  background: transparent; border: none; color: var(--muted);
  padding: 10px 18px; border-radius: 12px 12px 0 0; font-size: 14px;
  border-bottom: 2px solid transparent;
}
.tab:hover { color: var(--text); background: rgba(255, 255, 255, .03); }
.tab.active { color: var(--amber-strong); border-bottom-color: var(--amber); }

main { max-width: 1180px; margin: 0 auto; padding: 22px 32px 80px; }
.tab-panel { display: none; animation: fade .22s ease; }
.tab-panel.active { display: block; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.card {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
}
.card + .card { margin-top: 18px; }
.card-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 16px; }
.card-head h2 { font-size: 17px; }
.card-head p { margin-top: 6px; }

.pill {
  font-size: 12px; color: var(--muted); border: 1px solid var(--line);
  padding: 5px 10px; border-radius: 999px; white-space: nowrap;
}
.pill.ok { color: var(--green); border-color: rgba(115, 192, 138, .35); background: rgba(115, 192, 138, .08); }

.recorder { display: flex; flex-direction: column; align-items: center; gap: 16px; padding: 10px 0 4px; }
#level { width: min(100%, 520px); height: 110px; }
.timer { font-size: 30px; font-variant-numeric: tabular-nums; letter-spacing: 2px; color: var(--muted); }
.timer.recording { color: var(--amber-strong); }

.record-btn {
  display: inline-flex; align-items: center; gap: 10px;
  border: 1px solid rgba(230, 168, 86, .5);
  background: rgba(230, 168, 86, .12);
  color: var(--amber-strong);
  padding: 14px 30px; border-radius: 999px; font-size: 15px;
  transition: transform .12s ease, background .2s ease;
}
.record-btn:hover { transform: translateY(-1px); background: rgba(230, 168, 86, .2); }
.record-btn .dot { width: 12px; height: 12px; border-radius: 50%; background: var(--red); box-shadow: 0 0 0 4px rgba(226, 113, 107, .18); }
.record-btn.recording { border-color: rgba(226, 113, 107, .7); color: #ffd2cd; background: rgba(226, 113, 107, .14); }
.record-btn.recording .dot { border-radius: 3px; background: #ff8f88; }

.hint { color: var(--muted); font-size: 13px; text-align: center; }
.upload-link { color: var(--amber); font-size: 13px; cursor: pointer; border-bottom: 1px dashed rgba(230, 168, 86, .45); }
.upload-link:hover { color: var(--amber-strong); }

.processing { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 13px; justify-content: center; padding-top: 8px; }
.spinner {
  width: 16px; height: 16px; border-radius: 50%;
  border: 2px solid rgba(230, 168, 86, .25); border-top-color: var(--amber);
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.wave { width: 100%; height: 90px; margin-bottom: 14px; }
.audio-bar { width: 100%; margin-bottom: 16px; }
.metrics { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 18px; }
.metric {
  border: 1px solid var(--line); border-radius: 12px; padding: 10px 14px;
  background: rgba(255, 255, 255, .02); font-size: 13px;
}
.metric span { color: var(--muted); display: block; font-size: 11px; margin-bottom: 2px; }
.metric.bad { border-color: rgba(226, 113, 107, .45); color: #ffb3ad; }
.metric.good { border-color: rgba(115, 192, 138, .4); color: #a8e0ba; }
.preview-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.input {
  width: 100%; background: #141210; color: var(--text);
  border: 1px solid var(--line); border-radius: 12px;
  padding: 12px 14px; font-size: 14px; outline: none;
  transition: border-color .15s ease;
}
.input:focus { border-color: rgba(230, 168, 86, .55); }
textarea.input { resize: vertical; min-height: 110px; line-height: 1.7; }
select.input { appearance: none; }

.btn {
  border: 1px solid var(--line); background: rgba(255, 255, 255, .03);
  color: var(--text); padding: 11px 20px; border-radius: 12px; font-size: 14px;
  transition: transform .12s ease, background .2s ease, border-color .2s ease;
}
.btn:hover { transform: translateY(-1px); background: rgba(255, 255, 255, .06); }
.btn.primary { background: linear-gradient(135deg, var(--amber-strong), #c98334); border: none; color: #26190b; font-weight: 600; }
.btn.primary:hover { filter: brightness(1.06); }
.btn.ghost { background: transparent; }
.btn.wide { width: 100%; padding: 14px; margin-top: 8px; }
.btn.small { padding: 6px 12px; font-size: 12px; }
.btn.danger-text { color: #ff9a94; }
.btn[disabled] { opacity: .4; cursor: not-allowed; transform: none; }

.section-head { display: flex; justify-content: space-between; align-items: flex-end; margin: 6px 2px 18px; gap: 16px; }
.section-head h2 { font-size: 18px; margin-bottom: 4px; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 16px; }
.voice-card, .song-card {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column;
}
.voice-cover, .song-cover {
  height: 96px; display: flex; align-items: center; justify-content: center;
  font-size: 30px; font-weight: 700; color: rgba(255, 255, 255, .85);
  position: relative;
}
.voice-body, .song-body { padding: 16px 16px 18px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.voice-name, .song-title { font-size: 15px; font-weight: 600; }
.voice-meta, .song-meta { color: var(--muted); font-size: 12px; display: flex; gap: 10px; flex-wrap: wrap; }
.voice-actions, .song-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: auto; }
.mini-btn {
  border: 1px solid var(--line); background: transparent; color: var(--text);
  font-size: 12px; padding: 7px 11px; border-radius: 9px;
}
.mini-btn:hover { border-color: rgba(230, 168, 86, .45); color: var(--amber-strong); }
.mini-btn.danger:hover { border-color: rgba(226, 113, 107, .5); color: #ff9a94; }
.status {
  position: absolute; top: 10px; right: 10px; font-size: 11px;
  padding: 4px 9px; border-radius: 999px; backdrop-filter: blur(4px);
  background: rgba(0, 0, 0, .35); color: #f1e3cc;
}
.status.uploaded { color: #b9edc9; }
.demo-tag {
  position: absolute; top: 10px; left: 10px; font-size: 11px;
  padding: 4px 9px; border-radius: 999px;
  background: rgba(230, 168, 86, .18); color: #ffdcaa;
}
.empty {
  border: 1px dashed var(--line); border-radius: var(--radius);
  padding: 46px 20px; text-align: center; color: var(--muted);
  display: flex; flex-direction: column; align-items: center; gap: 16px;
}

.create-layout { display: grid; grid-template-columns: 1.25fr .75fr; gap: 18px; align-items: start; }
.field { margin-bottom: 18px; }
.field > label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 8px; }
.field-row { display: flex; gap: 16px; margin-top: 10px; }
.radio { display: flex; align-items: center; gap: 7px; font-size: 13px; color: var(--muted); cursor: pointer; }
.radio input { accent-color: var(--amber); }

.dropzone {
  display: flex; align-items: center; justify-content: center;
  min-height: 84px; border: 1px dashed var(--line); border-radius: 14px;
  color: var(--muted); font-size: 13px; text-align: center; padding: 14px;
  cursor: pointer; transition: border-color .2s ease, background .2s ease;
}
.dropzone:hover, .dropzone.dragover { border-color: rgba(230, 168, 86, .55); background: rgba(230, 168, 86, .05); }
.source-info { margin-top: 10px; font-size: 12px; color: var(--amber-strong); }

.mode-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.mode {
  text-align: left; border: 1px solid var(--line); background: rgba(255, 255, 255, .02);
  color: var(--text); border-radius: 14px; padding: 14px;
}
.mode strong { font-size: 13px; display: block; margin-bottom: 6px; }
.mode small { color: var(--muted); font-size: 11px; line-height: 1.5; display: block; }
.mode.active { border-color: rgba(230, 168, 86, .55); background: rgba(230, 168, 86, .07); }
.mode.disabled { opacity: .5; cursor: not-allowed; }
.tag { font-size: 10px; color: #ffd2cd; background: rgba(226, 113, 107, .14); padding: 2px 6px; border-radius: 6px; margin-left: 4px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.chips button {
  font-size: 12px; color: var(--muted); background: transparent;
  border: 1px solid var(--line); border-radius: 999px; padding: 6px 12px;
}
.chips button:hover { color: var(--amber-strong); border-color: rgba(230, 168, 86, .4); }

.fineprint { color: var(--muted); font-size: 12px; margin-top: 10px; text-align: center; }

.job-card { position: sticky; top: 92px; }
.job-idle { text-align: center; padding: 30px 10px; color: var(--muted); display: flex; flex-direction: column; align-items: center; gap: 14px; }
.job-orbit {
  width: 76px; height: 76px; border-radius: 50%;
  border: 1px dashed rgba(230, 168, 86, .4); position: relative;
}
.job-orbit::after {
  content: ""; position: absolute; width: 10px; height: 10px; border-radius: 50%;
  background: var(--amber); top: 6px; left: 50%; transform: translateX(-50%);
  animation: orbit 3s linear infinite; transform-origin: 0 32px;
}
@keyframes orbit { to { transform: translateX(-50%) rotate(360deg); } }
.job-running { padding: 16px 4px; }
.job-stage { font-size: 15px; margin-bottom: 12px; color: var(--amber-strong); }
.progress { height: 6px; background: #141210; border-radius: 999px; overflow: hidden; }
.progress-fill { height: 100%; width: 8%; background: linear-gradient(90deg, #c98334, var(--amber-strong)); transition: width .6s ease; }
.job-result { padding: 18px 4px; }
.job-result h3 { margin-bottom: 8px; }
.danger { color: var(--red); }
.ok-text { color: var(--green); }

.settings-card { margin-bottom: 18px; }
.provider-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 18px 0; }
.provider {
  display: flex; gap: 10px; align-items: flex-start;
  border: 1px solid var(--line); border-radius: 14px; padding: 14px;
  cursor: pointer; background: rgba(255, 255, 255, .02);
}
.provider:has(input:checked) { border-color: rgba(230, 168, 86, .5); background: rgba(230, 168, 86, .06); }
.provider input { margin-top: 3px; accent-color: var(--amber); }
.provider strong { font-size: 13px; display: block; margin-bottom: 4px; }
.provider small { color: var(--muted); font-size: 11px; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }
.test-result { margin-top: 14px; font-size: 13px; }
.test-result.ok { color: var(--green); }
.test-result.bad { color: var(--red); }

.note-card ul { margin: 12px 0 14px; padding-left: 18px; color: var(--muted); font-size: 13px; line-height: 1.9; }
.note-card strong { color: var(--text); }

.toast {
  position: fixed; left: 50%; bottom: 34px; transform: translate(-50%, 20px);
  background: #2a251e; border: 1px solid var(--line); color: var(--text);
  padding: 12px 20px; border-radius: 12px; font-size: 13px;
  opacity: 0; pointer-events: none; transition: all .25s ease; z-index: 50;
  box-shadow: 0 12px 30px rgba(0, 0, 0, .35);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast.error { border-color: rgba(226, 113, 107, .5); color: #ffb3ad; }

.modal {
  position: fixed; inset: 0; background: rgba(8, 7, 6, .72);
  display: grid; place-items: center; z-index: 60; backdrop-filter: blur(3px);
}
.modal-box {
  width: min(420px, 88vw); background: var(--panel-2); border: 1px solid var(--line);
  border-radius: 18px; padding: 24px;
}
.modal-box h3 { margin-bottom: 10px; }
.modal-box p { color: var(--muted); font-size: 13px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 22px; }

@media (max-width: 860px) {
  .topbar, .tabs, main { padding-left: 18px; padding-right: 18px; }
  .create-layout { grid-template-columns: 1fr; }
  .provider-list { grid-template-columns: 1fr; }
  .job-card { position: static; }
}