*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── Dixie theme — Louisiana French Quarter ──────────────── */
:root[data-theme="dixie"] {
  --bg:           #faf3e2;
  --surface:      #f0e8d0;
  --card:         #e8dbbf;
  --border:       #c8b48a;
  --accent:       #7a5000;
  --text:         #1e1208;
  --text-dim:     #5a3c1e;
  --text-bright:  #0a0600;
  --bar:          #8b6914;
  --cell-bg:      #ede4cc;
  --correct-bg:   #d0f0dd;
  --correct-bd:   #1a7a42;
  --correct-tx:   #0a3a1c;
  --partial-bg:   #fce0e8;
  --partial-bd:   #c2205a;
  --partial-tx:   #6a0a2a;
  --incorrect-bg: #fde8d0;
  --incorrect-bd: #c84010;
  --incorrect-tx: #5a1e00;
  --radius:       6px;
}

/* Dixie overrides for elements with hardcoded dark colours */
[data-theme="dixie"] .btn-primary,
[data-theme="dixie"] .btn-primary:hover         { color: #f5ead0; }
[data-theme="dixie"] .note-btn.selected,
[data-theme="dixie"] .type-btn.selected         { color: #f5ead0; }
[data-theme="dixie"] .btn-ppt.active            { color: #f5ead0; }
[data-theme="dixie"] .btn-pause.active          { color: #f5ead0; }
[data-theme="dixie"] .card-badge.new            { background: #d0f0dd; color: #0a3a1c; border-color: #1a7a42; }
[data-theme="dixie"] .cell.ppt-skip             { background: #d8cdb8; border-color: #b8a88a; color: #9a8870; }
[data-theme="dixie"] .completion-banner         { background: linear-gradient(135deg, #e8f8ee 0%, #faf0e0 100%); border-color: var(--correct-bd); }
[data-theme="dixie"] .completion-banner h2      { color: var(--correct-bd); }
[data-theme="dixie"] .toast-warn                { background: #fff0d8; border-color: #c84010; color: #5a1e00; }

:root {
  --bg:           #0d1117;
  --surface:      #161b22;
  --card:         #21262d;
  --border:       #30363d;
  --accent:       #c8963a;
  --text:         #c9d1d9;
  --text-dim:     #8b949e;
  --text-bright:  #f0f6fc;
  --bar:          #768390;
  --cell-bg:      #2b3240;
  --correct-bg:   #0d2a52;
  --correct-bd:   #2d6ef5;
  --correct-tx:   #79c0ff;
  --partial-bg:   #231900;
  --partial-bd:   #c89030;
  --partial-tx:   #e8c060;
  --incorrect-bg: #2d0a14;
  --incorrect-bd: #f43f5e;
  --incorrect-tx: #fda4af;
  --radius:       6px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, sans-serif;
  min-height: 100vh;
  overscroll-behavior-y: contain;
}

#app {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem 1.25rem;
}

/* ── Header ──────────────────────────────────────────────── */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0 1.25rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}

.header-title {
  font-family: Georgia, serif;
  font-size: 1.4rem;
  color: var(--accent);
  letter-spacing: 0.06em;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  padding: 0.45rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--text);
  cursor: pointer;
  font-size: 0.975rem;
  transition: border-color 0.12s, color 0.12s;
  white-space: nowrap;
}
.btn:hover { border-color: var(--accent); color: var(--accent); }

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #0d1117;
  font-weight: 600;
}
.btn-primary:hover { opacity: 0.88; color: #0d1117; }

.btn-danger { border-color: var(--incorrect-bd); }
.btn-danger:hover { color: var(--incorrect-tx); border-color: var(--incorrect-tx); }

/* ── List view ───────────────────────────────────────────── */
.list-actions {
  display: flex;
  gap: 0.6rem;
  margin-bottom: 1.25rem;
}

.standards-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0.75rem;
}

.standard-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  cursor: pointer;
  transition: border-color 0.12s, transform 0.12s;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.standard-card:hover { border-color: var(--accent); transform: translateY(-2px); }

.card-title    { font-size: 1.1rem; font-weight: 600; color: var(--text-bright); }
.card-composer { font-size: 0.9rem; color: var(--text-dim); }
.card-key      { font-size: 0.9rem; color: var(--accent); margin-top: 0.2rem; }
.card-meta     { display: flex; align-items: center; gap: 0.5rem; margin-top: 0.3rem; flex-wrap: wrap; }

.card-badge {
  font-size: 0.78rem;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  font-weight: 600;
}
.card-badge.new  { background: #1a3a2a; color: #4caf7f; border: 1px solid #2d6a4f; }
.card-badge.done { background: var(--correct-bg); color: var(--correct-tx); border: 1px solid var(--correct-bd); }
.card-perf { font-size: 0.8rem; color: var(--text-dim); }

/* ── Detail header ───────────────────────────────────────── */
.detail-header { margin-bottom: 1.5rem; }

.detail-back {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.92rem;
  color: var(--text-dim);
  cursor: pointer;
  margin-bottom: 0.5rem;
  transition: color 0.12s;
}
.detail-back:hover { color: var(--accent); }

.detail-title {
  font-family: Georgia, serif;
  font-size: 1.7rem;
  color: var(--text-bright);
  line-height: 1.2;
}

.detail-sub {
  color: var(--text-dim);
  font-size: 0.975rem;
  margin-top: 0.2rem;
}
.detail-key { color: var(--accent); font-weight: 600; }

.detail-stats-bar {
  margin-top: 0.6rem;
  font-size: 0.92rem;
  color: var(--text-dim);
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.detail-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
  flex-wrap: wrap;
}
.actions-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.action-divider {
  width: 1px;
  align-self: stretch;
  background: var(--border);
  margin: 0 0.15rem;
}
.btn-ppt {
  font-style: italic;
  letter-spacing: 0.04em;
  border-color: var(--accent);
  color: var(--accent);
}
.btn-ppt.active {
  background: var(--accent);
  color: #0d1117;
  opacity: 0.7;
  cursor: default;
}
.btn-help {
  font-weight: 700;
  min-width: 2rem;
  padding: 0.25rem 0.45rem;
}
.btn-pause { min-width: 2rem; padding: 0.25rem 0.45rem; }
.btn-spfy  { padding: 0.25rem 0.55rem; color: #1db954; border-color: #1db954; }
.btn-spfy:hover { color: #1db954; border-color: #1db954; opacity: 0.8; }
.btn-yt    { padding: 0.25rem 0.55rem; color: #ff0000; border-color: #ff0000; }
.btn-yt:hover  { color: #ff0000; border-color: #ff0000; opacity: 0.8; }
.btn-pause.active {
  background: var(--accent);
  color: #0d1117;
  border-color: var(--accent);
}

/* ── Chord grid ──────────────────────────────────────────── */
.chord-grid {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.part-label {
  font-family: Georgia, serif;
  font-size: 0.88rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin: 0.9rem 0 0.3rem;
}
.family-hint {
  font-family: monospace;
  font-size: 0.75rem;
  font-weight: bold;
  text-transform: none;
  letter-spacing: 0;
  color: #f0c040;
  margin-left: 0.6rem;
  transition: opacity 0.4s;
}
.family-hint.fade { opacity: 0; }

.grid-row-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
}

.tag-select {
  font-size: 0.7rem;
  padding: 2px 1px;
  border-radius: 3px;
  background: var(--bg-2);
  color: var(--text);
  border: 1px solid var(--bar);
  cursor: pointer;
  flex-shrink: 0;
  width: 6.2rem;
}
.tag-select:disabled {
  opacity: 0.35;
  cursor: default;
}
.tag-select-spacer {
  flex-shrink: 0;
  width: 6.2rem;
}

.style-selects {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 4px;
  flex-shrink: 0;
}
.style-select {
  font-size: 0.7rem;
  padding: 2px 1px;
  border-radius: 3px;
  background: var(--bg-2);
  color: var(--text);
  border: 1px solid var(--bar);
  cursor: pointer;
  flex-shrink: 0;
  max-width: 7rem;
}
.style-select:disabled {
  opacity: 0.35;
  cursor: default;
}
.tag-solved {
  font-size: 0.7rem;
  flex-shrink: 0;
  width: 6.2rem;
  text-align: center;
  color: var(--text);
  opacity: 0.6;
}
.style-solved {
  font-size: 0.7rem;
  flex-shrink: 0;
  max-width: 7rem;
  text-align: center;
  color: var(--text);
  opacity: 0.6;
}

.grid-row {
  display: flex;
  align-items: stretch;
  border-left: 3px solid var(--bar);
}

.bar {
  display: flex;
  align-items: center;
  gap: 3px;
  padding: 4px 6px;
  border-right: 3px solid var(--bar);
}

/* Volta rows */
.volta-row {
  display: flex;
  align-items: stretch;
  border-left: 3px solid var(--bar);
}

.shared-bars {
  display: flex;
  align-items: stretch;
}

.volta-split {
  display: flex;
  flex-direction: column;
  border-right: 3px solid var(--bar);
}

.volta-ending {
  display: flex;
  align-items: center;
  flex: 1;
  padding: 2px 0;
}
.volta-ending:not(:last-child) { border-bottom: 1px dashed var(--bar); }

.volta-label {
  font-size: 0.78rem;
  color: var(--accent);
  font-style: italic;
  padding: 0 5px;
  min-width: 20px;
  flex-shrink: 0;
}

.volta-ending .bar { border-right: none; }
.volta-ending .bar:not(:last-child) { border-right: 2px solid var(--bar); }

/* ── Cells ───────────────────────────────────────────────── */
.cell {
  min-width: 72px;
  min-height: 52px;
  padding: 4px 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 4px;
  background: var(--cell-bg);
  border: 1px solid var(--border);
  cursor: pointer;
  user-select: none;
  transition: border-color 0.12s, background 0.12s, transform 0.08s;
  text-align: center;
  line-height: 1.2;
  color: var(--text-dim);
}
.cell:not(.correct):hover { border-color: var(--accent); transform: scale(1.03); }
.cell[draggable="true"] { cursor: grab; }
.cell[draggable="true"]:active { cursor: grabbing; }
.cell.dragging { opacity: 0.45; }
.cell.drag-over {
  border-color: var(--accent) !important;
  box-shadow: 0 0 0 2px var(--accent);
  transform: scale(1.05);
}
.cell:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.cell.ppt-skip {
  background: #1a2d42;
  border: 3px dashed #4a7aaa;
  color: #5a8aaa;
  font-size: 1.4rem;
  cursor: default;
  pointer-events: none;
}

.cell.correct {
  background: var(--correct-bg);
  border-color: var(--correct-bd);
  color: var(--correct-tx);
  cursor: default;
}
.cell.correct:hover  { transform: none; border-color: var(--correct-bd); }
.cell.partial:hover  { border-color: var(--partial-bd); }
.cell.incorrect:hover { border-color: var(--incorrect-bd); }

.cell.partial {
  background: var(--partial-bg);
  border-color: var(--partial-bd);
  border-width: 2px;
  color: var(--partial-tx);
}

.cell.incorrect {
  background: var(--incorrect-bg);
  border-color: var(--incorrect-bd);
  border-width: 2px;
  color: var(--incorrect-tx);
}

/* Completion grid flash */
@keyframes grid-complete {
  0%   { background: transparent; }
  20%  { background: rgba(45, 110, 245, 0.12); }
  50%  { background: rgba(200, 150, 58, 0.10); }
  80%  { background: rgba(45, 110, 245, 0.06); }
  100% { background: transparent; }
}
.chord-grid.completed { animation: grid-complete 1.6s ease-out; }
.chord-grid.grid-paused {
  position: relative;
  pointer-events: none;
  user-select: none;
}
.chord-grid.grid-paused::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--bg);
  opacity: 0.6;
  border-radius: 4px;
}

/* ── Completion banner ───────────────────────────────────── */
.completion-banner {
  margin-top: 1.5rem;
  padding: 1.5rem;
  background: linear-gradient(135deg, #0d2a52 0%, #1a0d40 100%);
  border: 1px solid var(--correct-bd);
  border-radius: var(--radius);
  text-align: center;
}
.completion-banner h2 {
  font-family: Georgia, serif;
  color: var(--correct-tx);
  font-size: 1.3rem;
  margin-bottom: 0.4rem;
}
.completion-banner p {
  color: var(--text-dim);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}
.hints-notice { color: var(--incorrect-tx); font-size: 0.8rem; margin-bottom: 0.75rem; }
.completion-actions { display: flex; gap: 0.6rem; justify-content: center; }

/* ── Picker overlay ──────────────────────────────────────── */
.picker-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  backdrop-filter: blur(3px);
}

.picker-modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
  width: min(440px, 94vw);
  max-height: 86vh;
  overflow-y: auto;
}

.picker-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}
.picker-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-bright);
}
.btn-show-chord {
  font-size: 0.85rem;
  padding: 0.25rem 0.6rem;
  border-color: #4ade80;
  color: #4ade80;
}
.btn-show-chord:hover { border-color: #4ade80; color: #4ade80; opacity: 0.8; }

.picker-close {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
  padding: 0 0.2rem;
}
.picker-close:hover { color: var(--text-bright); }

.help-modal { width: min(360px, 94vw); }
.txt-modal  { width: min(560px, 96vw); }
.txt-body {
  font-family: monospace;
  font-size: 0.82rem;
  white-space: pre;
  overflow-x: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  color: var(--text);
  line-height: 1.5;
  max-height: 60vh;
  overflow-y: auto;
}
.help-body { display: flex; flex-direction: column; gap: 1rem; }
.help-row {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.cell-demo {
  flex-shrink: 0;
  min-width: 64px;
  min-height: 44px;
  cursor: default;
  pointer-events: none;
}
.cell-demo:hover { transform: none !important; border-color: inherit !important; }
.help-desc { font-size: 0.85rem; color: var(--text); line-height: 1.4; }
.help-desc strong { color: var(--text-bright); }

.picker-section-label {
  font-size: 0.78rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.4rem;
}
.picker-section-type { margin-top: 1rem; }
.picker-root-preview { color: var(--accent); font-weight: 700; font-size: 1rem; }

/* Note picker (step 1) */
.note-section { margin-bottom: 0.75rem; }
.note-group-label {
  font-size: 0.76rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.35rem;
}
.note-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}
.note-btn {
  padding: 0.5rem 0.7rem;
  min-width: 48px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--text);
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  transition: border-color 0.1s, color 0.1s;
  text-align: center;
}
.note-btn:hover { border-color: var(--accent); color: var(--accent); }
.note-btn.selected {
  background: var(--accent);
  border-color: var(--accent);
  color: #0d1117;
}
.note-btn.hint, .type-btn.hint {
  border-color: #4ade80;
  color: #4ade80;
  box-shadow: 0 0 0 1px #4ade8055;
}

/* Type picker (step 2) */
.type-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.35rem;
}
.type-btn {
  padding: 0.5rem 0.3rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--text);
  cursor: pointer;
  font-size: 0.92rem;
  transition: border-color 0.1s, color 0.1s;
  text-align: center;
  white-space: nowrap;
}
.type-btn:hover { border-color: var(--accent); color: var(--accent); }
.type-btn.selected {
  background: var(--accent);
  border-color: var(--accent);
  color: #0d1117;
}
.type-btn.inactive { opacity: 0.35; cursor: default; }
.type-btn.inactive:hover { border-color: var(--border); color: var(--text); }

/* ── Settings view ───────────────────────────────────────── */
.settings-section {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1rem;
}
.settings-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 1rem;
}
.settings-actions { display: flex; gap: 0.6rem; flex-wrap: wrap; align-items: center; }

.stats-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.93rem;
}
.stats-table th {
  text-align: left;
  color: var(--text-dim);
  font-weight: 500;
  padding: 0.35rem 0.5rem;
  border-bottom: 1px solid var(--border);
}
.stats-table td {
  padding: 0.4rem 0.5rem;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
.stats-table tr:last-child td { border-bottom: none; }
.stat-num { text-align: right; color: var(--text-dim); }

/* ── About page ──────────────────────────────────────────── */
.about-page {
  max-width: 640px;
  margin-top: 1.5rem;
  line-height: 1.7;
}
.about-heading {
  font-family: Georgia, serif;
  font-size: 1.4rem;
  color: var(--text-bright);
  margin-bottom: 1rem;
}
.about-subheading {
  font-family: Georgia, serif;
  font-size: 1.1rem;
  color: var(--accent);
  margin: 1.4rem 0 0.4rem;
}
.about-page p {
  color: var(--text);
  font-size: 1rem;
  margin-bottom: 0.5rem;
}
.about-swatch {
  display: inline-block;
  padding: 0.05rem 0.45rem;
  border-radius: 3px;
  font-weight: 600;
  font-size: 0.82rem;
}
.correct-swatch   { background: var(--correct-bg);   color: var(--correct-tx);   border: 1px solid var(--correct-bd); }
.partial-swatch   { background: var(--partial-bg);   color: var(--partial-tx);   border: 1px solid var(--partial-bd); }
.incorrect-swatch { background: var(--incorrect-bg); color: var(--incorrect-tx); border: 1px solid var(--incorrect-bd); }

/* ── Toast ───────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  z-index: 300;
  pointer-events: none;
  animation: toast-in 0.2s ease;
}
@keyframes toast-in { from { opacity: 0; transform: translateX(-50%) translateY(8px); } }
.toast-info { background: var(--card); border: 1px solid var(--border); color: var(--text); }
.toast-warn { background: #3a1a00; border: 1px solid #c87800; color: #ffcc80; }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 600px) {
  .cell         { min-width: 58px; min-height: 44px; font-size: 0.82rem; }
  .type-grid    { grid-template-columns: repeat(3, 1fr); }
  .standards-list { grid-template-columns: 1fr; }
  .detail-title { font-size: 1.35rem; }
  .completion-actions { flex-direction: column; align-items: center; }
  .actions-row-sep { display: none; }
}