/* ---------- Tokens ---------- */
:root {
  --ink: #1a1c20;
  --paper: #ede8dc;
  --paper-2: #e2dcc9;
  --paper-3: #d3cbb0;
  --amber: #e2a63b;
  --amber-dim: #a9782c;
  --rust: #a64b2a;
  --mist: #83808c;
  --stage-bg: #14161a;
  --stage-bg-2: #1c1f25;
  --stage-line: #2a2d33;
  --stage-ink: #f2efe6;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'IBM Plex Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, monospace;

  --song-font-size: 22px;
  --radius: 3px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  animation: fade-in 0.25s ease;
}
h1, h2 { font-family: var(--font-display); font-weight: 600; margin: 0; }
button, input, textarea { font-family: inherit; font-size: 1rem; }
a { color: inherit; text-decoration: none; }

@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}
:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }

/* ---------- Buttons ---------- */
.btn-primary, .btn-ghost, .btn-danger {
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 0.55rem 1rem;
  cursor: pointer;
  font-weight: 500;
  font-size: 0.92rem;
  background: transparent;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn-primary { background: var(--amber); color: var(--ink); }
.btn-primary:hover { background: var(--amber-dim); }
.btn-ghost { border-color: var(--paper-3); color: var(--ink); }
.btn-ghost:hover { border-color: var(--mist); }
.btn-danger { border-color: var(--rust); color: var(--rust); }
.btn-danger:hover { background: var(--rust); color: var(--paper); }

/* ---------- Login ---------- */
body.login-page {
  background: var(--stage-bg);
  color: var(--stage-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}
.login-card { width: min(320px, 90vw); display: flex; flex-direction: column; gap: 1rem; text-align: center; }
.login-card h1 { font-size: 1.9rem; margin: 0 auto 0.5rem; position: relative; display: inline-block; }
.login-card h1::after {
  content: '';
  position: absolute;
  left: 10%;
  right: 10%;
  bottom: -6px;
  height: 2px;
  background: var(--amber);
}
.login-card input {
  background: var(--stage-bg-2);
  border: 1px solid var(--stage-line);
  color: var(--stage-ink);
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius);
}
.login-card .error { color: var(--rust); min-height: 1.2em; font-size: 0.85rem; margin: 0; }
.login-card .btn-primary { padding: 0.7rem; }

/* ---------- Topbar / Library ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--paper-3);
  flex-wrap: wrap;
}
.topbar h1 { font-size: 1.5rem; position: relative; }
.topbar-actions { display: flex; gap: 0.6rem; align-items: center; flex-wrap: wrap; }
.topbar-actions input[type='search'] {
  background: var(--paper-2);
  border: 1px solid var(--paper-3);
  border-radius: var(--radius);
  padding: 0.5rem 0.8rem;
  min-width: 180px;
  color: var(--ink);
}

main { max-width: 760px; margin: 0 auto; padding: 0.5rem 1.5rem 3rem; }

.song-list { display: flex; flex-direction: column; }
.song-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0.75rem;
  border-bottom: 1px solid var(--paper-3);
  border-left: 3px solid transparent;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.song-card:hover, .song-card:focus-visible { border-left-color: var(--amber); background: var(--paper-2); }
.song-card-main { display: flex; flex-direction: column; gap: 0.15rem; min-width: 0; }
.song-title { font-family: var(--font-display); font-weight: 600; font-size: 1.1rem; }
.song-artist { color: var(--mist); font-size: 0.85rem; }
.song-key {
  font-family: var(--font-mono);
  color: var(--amber-dim);
  font-size: 0.85rem;
  border: 1px solid var(--paper-3);
  border-radius: var(--radius);
  padding: 0.15rem 0.5rem;
  white-space: nowrap;
}
.empty { color: var(--mist); padding: 3rem 0.75rem; text-align: center; }

/* ---------- Modal ---------- */
dialog {
  border: none;
  border-radius: 4px;
  padding: 0;
  width: min(520px, 92vw);
  background: var(--paper);
  color: var(--ink);
}
dialog::backdrop { background: rgba(20, 22, 26, 0.6); }
#song-form { display: flex; flex-direction: column; padding: 1.5rem; gap: 0.85rem; max-height: 85vh; overflow-y: auto; }
#song-form label { display: flex; flex-direction: column; gap: 0.3rem; font-size: 0.85rem; color: var(--mist); }
#song-form input, #song-form textarea {
  background: var(--paper-2);
  border: 1px solid var(--paper-3);
  border-radius: var(--radius);
  padding: 0.55rem 0.7rem;
  color: var(--ink);
}
#song-form textarea { font-family: var(--font-mono); font-size: 0.9rem; resize: vertical; }
.modal-actions { display: flex; justify-content: space-between; align-items: center; margin-top: 0.5rem; }
.modal-actions-right { display: flex; gap: 0.5rem; }

/* ---------- Player ---------- */
body.player-page { background: var(--stage-bg); color: var(--stage-ink); min-height: 100vh; }
body.player-page.light-stage { background: var(--paper); color: var(--ink); }

.player-topbar {
  position: sticky;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1.25rem;
  border-bottom: 1px solid var(--stage-line);
  background: inherit;
  z-index: 5;
}
.light-stage .player-topbar { border-bottom-color: var(--paper-3); }
.player-info { display: flex; flex-direction: column; align-items: center; text-align: center; }
#song-title { font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; }
#song-artist { font-size: 0.8rem; color: var(--mist); }

.player-controls {
  position: sticky;
  top: 53px;
  display: flex;
  align-items: center;
  gap: 1.1rem;
  flex-wrap: wrap;
  padding: 0.6rem 1.25rem;
  border-bottom: 1px solid var(--stage-line);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  background: inherit;
  z-index: 4;
}
.light-stage .player-controls { border-bottom-color: var(--paper-3); }
.control-group { display: flex; align-items: center; gap: 0.4rem; }
.player-controls button {
  background: transparent;
  border: 1px solid var(--stage-line);
  color: inherit;
  border-radius: var(--radius);
  padding: 0.35rem 0.65rem;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
}
.light-stage .player-controls button { border-color: var(--paper-3); }
.player-controls button:hover { border-color: var(--amber); color: var(--amber); }
#transpose-label { color: var(--amber); min-width: 4.5rem; text-align: center; }
#scroll-speed { accent-color: var(--amber); }

.song-content {
  max-width: 680px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 6rem;
  font-size: var(--song-font-size);
  line-height: 2.6;
}
.line { display: flex; flex-wrap: wrap; align-items: flex-end; row-gap: 1.6em; }
.line.blank { height: 1.2em; }
.pair { display: inline-flex; flex-direction: column; align-items: flex-start; }
.pair .chord {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.68em;
  color: var(--amber);
  line-height: 1;
  margin-bottom: 0.3em;
  white-space: nowrap;
}
.pair .lyric { white-space: pre; }

@media (max-width: 480px) {
  .song-content { font-size: calc(var(--song-font-size) * 0.85); padding: 2rem 1rem 5rem; }
  .topbar { padding: 1rem; }
  .player-controls { gap: 0.7rem; font-size: 0.7rem; }
}

@media print {
  .player-topbar, .player-controls { display: none; }
  body.player-page { background: #fff; color: #000; }
  .pair .chord { color: #000; }
  .song-content { padding-top: 1rem; max-width: none; }
}

/* ---------- Setlists ---------- */
.setlist-head { padding: 1.5rem 0.5rem 0.25rem; }
.setlist-head h1 { font-size: 1.6rem; }
.setlist-date {
  margin: 0.3rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--amber-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.date-past { opacity: 0.55; }
.setlist-actions {
  display: flex;
  gap: 0.6rem;
  padding: 0.9rem 0.5rem 1.1rem;
  border-bottom: 1px solid var(--paper-3);
}
.setlist-actions .btn-primary:disabled { opacity: 0.4; cursor: default; }

.setlist-row {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.75rem 0.5rem;
  border-bottom: 1px solid var(--paper-3);
}
.row-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--amber-dim);
  min-width: 1.4rem;
  text-align: right;
}
.row-main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 0.15rem; }
.row-controls { display: flex; gap: 0.35rem; }
.icon-btn {
  background: transparent;
  border: 1px solid var(--paper-3);
  border-radius: var(--radius);
  color: var(--ink);
  width: 2.2rem;
  height: 2.2rem;
  cursor: pointer;
  font-size: 0.95rem;
}
.icon-btn:hover:not(:disabled) { border-color: var(--amber); color: var(--amber-dim); }
.icon-btn:disabled { opacity: 0.3; cursor: default; }
.icon-btn.danger:hover:not(:disabled) { border-color: var(--rust); color: var(--rust); }

/* Generic modal form (setlist dialogs) */
.modal-form { display: flex; flex-direction: column; padding: 1.5rem; gap: 0.85rem; max-height: 85vh; overflow-y: auto; }
.modal-form label { display: flex; flex-direction: column; gap: 0.3rem; font-size: 0.85rem; color: var(--mist); }
.modal-form input {
  background: var(--paper-2);
  border: 1px solid var(--paper-3);
  border-radius: var(--radius);
  padding: 0.55rem 0.7rem;
  color: var(--ink);
}
.picker-list {
  max-height: 45vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--paper-3);
  border-radius: var(--radius);
}
.picker-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.55rem 0.7rem;
  border-bottom: 1px solid var(--paper-3);
}
.picker-row:last-child { border-bottom: none; }
.picker-count { font-family: var(--font-mono); font-size: 0.8rem; color: var(--amber-dim); }

/* ---------- Player set navigation ---------- */
.set-nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.6rem 1rem calc(0.6rem + env(safe-area-inset-bottom));
  background: var(--stage-bg-2);
  border-top: 1px solid var(--stage-line);
  z-index: 6;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.03em;
}
.set-nav[hidden] { display: none; }
.light-stage .set-nav { background: var(--paper-2); border-top-color: var(--paper-3); color: var(--ink); }
.set-nav button {
  background: transparent;
  border: 1px solid var(--stage-line);
  color: inherit;
  border-radius: var(--radius);
  padding: 0.5rem 0.95rem;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
}
.light-stage .set-nav button { border-color: var(--paper-3); }
.set-nav button:hover:not(:disabled) { border-color: var(--amber); color: var(--amber); }
.set-nav button:disabled { opacity: 0.35; cursor: default; }
.set-nav-pos {
  flex: 1;
  text-align: center;
  color: var(--mist);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
@media print { .set-nav { display: none; } }

/* ---------- Save key & export ---------- */
.player-controls #save-key-btn { border-color: var(--amber-dim); color: var(--amber); }
.player-controls #save-key-btn:disabled { opacity: 0.7; cursor: default; }
.export-note { margin: -0.35rem 0 0; font-size: 0.82rem; color: var(--mist); }
.export-option {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.25rem;
  text-align: left;
  padding: 0.8rem 1rem;
  width: 100%;
}
.export-option span {
  font-size: 0.78rem;
  color: var(--mist);
  font-weight: 400;
}
.setlist-actions .btn-ghost:disabled { opacity: 0.4; cursor: default; }

.print-header { display: none; }
@media print {
  .print-header {
    display: block;
    font-family: var(--font-display);
    font-size: 1.25rem;
    padding: 0.5rem 1.5rem 0;
  }
  .print-header strong { font-weight: 600; }
}

/* ---------- Audio tracks ---------- */
.badge-audio {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--amber-dim);
  border: 1px solid var(--paper-3);
  border-radius: var(--radius);
  padding: 0.1rem 0.35rem;
  vertical-align: 2px;
  margin-left: 0.35rem;
}
.analyze-status { margin: 0; min-height: 1.2em; font-size: 0.85rem; color: var(--amber-dim); }

.track-main {
  max-width: 760px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.track-meta { color: var(--mist); }
.now-chord {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(4rem, 18vw, 8rem);
  line-height: 1;
  text-align: center;
  color: var(--amber);
  padding: 1.5rem 0 0.5rem;
}
.light-stage .now-chord { color: var(--amber-dim); }
.fix-hint {
  margin: -0.75rem 0 0;
  text-align: center;
  font-size: 0.8rem;
  color: var(--mist);
}
.timeline {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  padding: 0.5rem 0.25rem 0.9rem;
  scrollbar-width: thin;
}
.chip {
  flex: none;
  border: 1px solid var(--stage-line);
  border-radius: var(--radius);
  background: var(--stage-bg-2);
  color: var(--stage-ink);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.85rem 0.4rem;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: border-color 0.12s ease, color 0.12s ease;
}
.light-stage .chip { background: var(--paper-2); color: var(--ink); border-color: var(--paper-3); }
.chip:hover { border-color: var(--amber-dim); }
.chip.active { border-color: var(--amber); color: var(--amber); background: rgba(226, 166, 59, 0.08); }
.chip-nc { opacity: 0.45; font-weight: 400; }
.chip-input {
  width: 100%;
  background: transparent;
  border: none;
  color: inherit;
  font: inherit;
  text-align: center;
  outline: none;
}
.track-audio { width: 100%; }

/* ---------- Listen page & YouTube embed ---------- */
#yt-holder {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--stage-line);
  border-radius: var(--radius);
  background: #000;
}
.panel {
  border: 1px solid var(--stage-line);
  border-radius: 4px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.light-stage .panel { border-color: var(--paper-3); }
.panel-label {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--mist);
}
.panel input {
  background: var(--stage-bg-2);
  border: 1px solid var(--stage-line);
  color: var(--stage-ink);
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
}
.url-row { display: flex; gap: 0.5rem; }
.url-row input { flex: 1; min-width: 0; }
.source-row { display: flex; gap: 0.6rem; flex-wrap: wrap; }
.source-row button {
  flex: 1;
  min-width: 200px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.25rem;
  text-align: left;
  padding: 0.8rem 1rem;
}
.source-row button span { font-size: 0.75rem; color: var(--mist); font-weight: 400; }

/* ---------- Stems, tempo & pitch ---------- */
#tempo-slider { accent-color: var(--amber); width: 110px; }
.stems-controls { display: flex; gap: 0.6rem; flex-wrap: wrap; align-items: center; }
.stems-controls select {
  background: var(--stage-bg-2);
  border: 1px solid var(--stage-line);
  color: var(--stage-ink);
  border-radius: var(--radius);
  padding: 0.5rem 0.6rem;
  font-size: 0.9rem;
}
.light-stage .stems-controls select { background: var(--paper-2); border-color: var(--paper-3); color: var(--ink); }
.stem-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--stage-line);
}
.light-stage .stem-row { border-bottom-color: var(--paper-3); }
.stem-row:last-child { border-bottom: none; }
.stem-name {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: capitalize;
  min-width: 6.5rem;
  color: var(--amber);
}
.stem-vol { flex: 1; accent-color: var(--amber); min-width: 90px; }
.stem-row .btn-ghost { padding: 0.35rem 0.6rem; font-size: 0.85rem; white-space: nowrap; }