:root {
  --bg: #0f1117;
  --panel: #171a23;
  --panel2: #1e2230;
  --line: #2b3040;
  --text: #e8eaf2;
  --muted: #9aa0b5;
  --accent: #6c8cff;
  --accent2: #8b5cf6;
  --green: #3ecf8e;
  --yellow: #f5b944;
  --red: #f06060;
  --radius: 14px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.55 -apple-system, BlinkMacSystemFont, "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

.hero {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  padding: 28px 24px 10px;
  max-width: 1080px;
  margin: 0 auto;
}

.hero h1 {
  margin: 0;
  font-size: 28px;
  background: linear-gradient(100deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.subtitle { color: var(--muted); margin: 4px 0 0; }

.hero-actions { display: flex; gap: 8px; }
.hero-actions a.small { text-decoration: none; display: inline-block; }

.login-overlay {
  position: fixed;
  inset: 0;
  z-index: 500;
  background: radial-gradient(900px 500px at 50% -10%, #20253a, #0d0f15 70%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-overlay.hidden, .modal.hidden { display: none !important; }

.login-card {
  width: min(380px, 100%);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 32px 28px;
  text-align: center;
  box-shadow: 0 20px 70px rgba(0, 0, 0, .5);
}

.login-card h1 {
  font-size: 21px;
  margin: 8px 0 4px;
  background: linear-gradient(100deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.login-logo { font-size: 34px; color: var(--accent); }
.login-sub { color: var(--muted); font-size: 13px; margin: 0 0 18px; }
.login-card input {
  width: 100%;
  margin-bottom: 12px;
}
.login-btn { width: 100%; }
.login-error {
  color: var(--red);
  font-size: 13px;
  margin-top: 12px;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 400;
  background: rgba(8, 10, 16, .78);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-card {
  width: min(400px, 100%);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 26px 24px;
}

.modal-card h2 { margin: 0 0 16px; font-size: 18px; }
.modal-card input { width: 100%; margin-bottom: 10px; }
.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 8px;
}

.runner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 30px rgba(0, 0, 0, .35);
  padding: 9px 16px 0;
}

.runner-text {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text);
  margin-bottom: 7px;
}

.runner-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 1s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: .35; transform: scale(.8); }
  50% { opacity: 1; transform: scale(1.15); }
}

#runnerPercent { margin-left: auto; color: var(--muted); font-variant-numeric: tabular-nums; }

.runner-track {
  height: 4px;
  background: var(--panel2);
  overflow: hidden;
}

#runnerFill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transition: width .35s ease;
}

.runner.done #runnerFill {
  background: var(--green);
}

main {
  max-width: 1080px;
  margin: 12px auto 40px;
  padding: 0 16px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  margin: 16px 0;
}

.card h2 { margin: 0 0 14px; font-size: 18px; }

.hidden { display: none !important; }

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 16px;
}

@media (max-width: 820px) {
  .two-col { grid-template-columns: 1fr; }
}

.dropzone {
  display: block;
  border: 2px dashed #3b4155;
  border-radius: 12px;
  padding: 34px 14px;
  text-align: center;
  color: var(--muted);
  cursor: pointer;
  transition: border-color .2s, background .2s;
  min-height: 180px;
}

.dropzone:hover, .dropzone.dragover {
  border-color: var(--accent);
  background: rgba(108, 140, 255, .08);
}

.dropzone input { display: none; }
.dz-icon { font-size: 36px; color: var(--accent); line-height: 1; }
.file-name { margin-top: 10px; color: var(--text); word-break: break-all; }
.hint { color: var(--muted); font-size: 13px; margin-top: 8px; min-height: 18px; }

.lyrics-panel .label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

textarea {
  width: 100%;
  background: var(--panel2);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 10px;
  padding: 12px;
  font: inherit;
  resize: vertical;
}

textarea#lyrics { min-height: 172px; }

.link-btn {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font: inherit;
  padding: 2px 4px;
}

.settings {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: end;
  margin-top: 16px;
}

.settings label {
  display: flex;
  flex-direction: column;
  gap: 5px;
  color: var(--muted);
  font-size: 13px;
}

select, input {
  background: var(--panel2);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 8px;
  padding: 8px 10px;
  font: inherit;
  min-width: 0;
}

.primary {
  background: linear-gradient(100deg, var(--accent), var(--accent2));
  border: none;
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  border-radius: 10px;
  padding: 10px 22px;
  cursor: pointer;
  transition: filter .15s;
}

.primary:hover { filter: brightness(1.08); }
.primary:disabled { opacity: .45; cursor: not-allowed; }

.progress {
  margin-top: 14px;
  color: var(--muted);
  font-size: 13px;
}

.bar {
  height: 7px;
  background: var(--panel2);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 6px;
}

.bar > div {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transition: width .5s;
}

audio#player { width: 100%; margin: 4px 0 12px; }

.preview-box {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 18px;
  margin: 0 0 14px;
  background:
    radial-gradient(1200px 200px at 50% -40px, rgba(108,140,255,.16), transparent),
    var(--panel2);
  text-align: center;
}

.preview-head {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 6px;
}

.preview-time {
  font-variant-numeric: tabular-nums;
  color: var(--accent);
}

.preview-current {
  font-size: 22px;
  font-weight: 600;
  line-height: 1.5;
  min-height: 34px;
}

.preview-next {
  color: var(--muted);
  font-size: 14px;
  min-height: 22px;
}

.summary {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 6px 0 10px;
}

.pill {
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--panel2);
  color: var(--muted);
}

.pill.exact { color: var(--green); border: 1px solid rgba(62,207,142,.35); }
.pill.good { color: var(--yellow); border: 1px solid rgba(245,185,68,.3); }
.pill.fuzzy, .pill.estimated { color: var(--yellow); border: 1px solid rgba(245,185,68,.3); }
.pill.unmatched { color: var(--red); border: 1px solid rgba(240,96,96,.4); }

.toolbar {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items: center;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 12px;
  margin: 4px 0 14px;
  background: var(--panel2);
}

.tool-group { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.tool-label { font-size: 13px; color: var(--muted); margin-right: 4px; }

.small {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 8px;
  padding: 6px 9px;
  font-size: 13px;
  cursor: pointer;
}

.small:hover { border-color: var(--accent); }

.note { color: var(--yellow); font-size: 13px; margin: 0 0 10px; }

.lyrics-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 8px 0 16px;
  max-height: 520px;
  overflow-y: auto;
  padding-right: 4px;
}

.lyric-row {
  display: grid;
  grid-template-columns: 128px 1fr 58px;
  gap: 8px;
  align-items: center;
  padding: 8px 10px;
  border: 1px solid transparent;
  border-radius: 10px;
  background: var(--panel2);
  cursor: pointer;
}

.lyric-row:hover { border-color: var(--line); }
.lyric-row.active { border-color: var(--accent); background: rgba(108,140,255,.08); }
.lyric-row.playing {
  border-color: var(--accent);
  background: rgba(108, 140, 255, .18);
  box-shadow: inset 3px 0 0 var(--accent);
}
.lyric-row .time { color: var(--accent); font-variant-numeric: tabular-nums; font-size: 13px; }
.lyric-row .lyric-text { font-size: 15px; }
.lyric-row .badge { justify-self: end; font-size: 11px; padding: 2px 8px; border-radius: 999px; color: var(--muted); background: var(--panel); }

.details-box {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 14px;
  margin: 12px 0;
  background: var(--panel2);
}

.details-box summary { cursor: pointer; color: var(--muted); font-size: 14px; }

pre {
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--muted);
  font: 13px/1.6 ui-monospace, SFMono-Regular, Menlo, monospace;
  max-height: 260px;
  overflow: auto;
  margin: 10px 0 4px;
}

.meta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 10px 0;
}

.meta-grid label { color: var(--muted); font-size: 13px; display: flex; flex-direction: column; gap: 5px; }

.footer-note { color: var(--muted); font-size: 13px; text-align: center; }

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: #242a3a;
  border: 1px solid var(--line);
  color: var(--text);
  padding: 10px 20px;
  border-radius: 999px;
  box-shadow: 0 8px 30px rgba(0,0,0,.4);
  z-index: 10;
}

.toast.error { border-color: var(--red); color: #ffd9d9; }