@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Playfair+Display:ital,wght@0,600;0,700;1,600&display=swap');

:root {
  color-scheme: dark;
  --bg:        #0d0f14;
  --bg-card:   #161920;
  --bg-panel:  #1d2030;
  --border:    #2a2d3e;
  --accent:    #7c6af7;
  --accent-2:  #50e3c2;
  --accent-3:  #f7a234;
  --mark:      #7c6af7;
  --mark-2:    #50e3c2;
  --mark-3:    #f7a234;
  --text:      #e8eaf0;
  --text-muted:#7a7f9a;
  --danger:    #f25c6e;
  --success:   #50e3a4;
  --header-bg: rgba(13, 15, 20, 0.72);
  --nav-bg:    rgba(13, 15, 20, 0.96);
  --hover-border: #3a3d55;
  --danger-border: #5a2a33;
  --bar-active: #1b1a2e;
  --on-mark:   #0d0f14;
  --wood:      #1a1d28;
  --fret:      #3d4156;
  --string:    #8b90a8;
  --nut:       #e8eaf0;
  --inlay:     #2e3246;
  --behind:    #3a3f56;
  --behind-label: #c5c9da;
  --radius:    12px;
  --radius-sm: 6px;
  --shadow:    0 4px 24px rgba(0,0,0,0.4);
  --font-body: 'Inter', system-ui, sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;
  --transition: 0.18s ease;
  --header-h: 64px;
}
html[data-theme="light"] {
  color-scheme: light;
  --bg:        #f6f1e8;
  --bg-card:   #fffdf8;
  --bg-panel:  #efe8dc;
  --border:    #d9d0c2;
  --accent:    #4c3fb8;
  --accent-2:  #0c6e64;
  --accent-3:  #9a5a0c;
  --text:      #1c1916;
  --text-muted:#5e584e;
  --danger:    #b4233a;
  --success:   #0d7a48;
  --header-bg: rgba(246, 241, 232, 0.88);
  --nav-bg:    rgba(246, 241, 232, 0.98);
  --hover-border: #c4b8a4;
  --danger-border: #e4b4bc;
  --bar-active: #efe8ff;
  --wood:      #f3eadc;
  --fret:      #c9bba8;
  --string:    #7a7268;
  --nut:       #2c2824;
  --inlay:     #e4d8c6;
  --behind:    #c8bfb0;
  --behind-label: #3f3a34;
  --shadow:    0 4px 24px rgba(48, 38, 22, 0.08);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: auto; background: var(--bg); }
body {
  margin: 0;
  min-height: 100vh;
  background-color: transparent;
  background-image:
    url("../assets/bg/grain.svg"),
    radial-gradient(900px 420px at 0% -8%, rgba(124, 106, 247, 0.10), transparent 55%),
    radial-gradient(720px 340px at 100% 0%, rgba(196, 148, 90, 0.07), transparent 50%);
  background-size: 180px, auto, auto;
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.55;
}
img { max-width: 100%; }
a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 0.5em;
}
h1 { font-size: clamp(2rem, 4vw, 3.1rem); }
h2 { font-size: 1.6rem; }
p { color: var(--text); }
.muted, .hint { color: var(--text-muted); }
.hint { font-size: 0.85rem; margin: 0.35rem 0 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
  padding: 0.6rem 1.4rem;
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.site-header > :not(.header-photo) { position: relative; z-index: 1; }
.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 1.25rem;
}
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), #4b3fd4);
  color: white;
  font-size: 1.1rem;
}
.brand-text span { color: var(--accent-2); }
.header-end {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-left: auto;
}
.theme-toggle {
  display: inline-flex;
  padding: 2px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg);
}
.theme-toggle button {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--text-muted);
  font: 600 0.75rem var(--font-body);
  padding: 0.28rem 0.62rem;
  border-radius: 999px;
  cursor: pointer;
}
.theme-toggle button[aria-pressed="true"] {
  background: var(--accent);
  color: #fff;
}
.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem 0.15rem;
  justify-content: flex-end;
}
.site-nav a {
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 500;
}
.site-nav a:hover { color: var(--text); background: var(--bg-panel); }
.site-nav a[aria-current="page"] {
  color: var(--text);
  background: var(--bg-panel);
  box-shadow: inset 0 0 0 1px var(--border);
}
.nav-toggle {
  display: none;
  background: var(--bg-panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.35rem 0.6rem;
}

.wrap {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 4rem;
}
.capo-panel {
  position: relative;
  width: min(100%, 24rem);
  margin-bottom: 1.4rem;
}
.capo-panel > :not(.hero-photo) { position: relative; z-index: 1; }
.tuner-note {
  font-family: var(--font-display);
  font-size: 3rem;
  line-height: 1;
  margin: 0 0 0.3rem;
  color: var(--accent-2);
}
.tuner-note.in-tune { color: var(--success); }
.tuner-cents { margin: 0 0 0.7rem; }
.string-row { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-top: 0.7rem; }
.clip-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 1rem;
}
.clip-card {
  width: min(100%, 22rem);
  flex: 0 0 auto;
  box-shadow: none;
}
.clip-card h3 { margin-bottom: 0.2rem; }
.bg-photo,
.header-photo,
.hero-photo {
  pointer-events: none;
}
.bg-photo {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -1;
  opacity: 0.4;
}
.header-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  z-index: 0;
}
.hero-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  z-index: 0;
  opacity: 0.38;
}
.kicker {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.72rem;
  color: var(--accent-2);
  font-weight: 600;
  margin-bottom: 0.6rem;
}
.lede { font-size: 1.12rem; color: var(--text-muted); max-width: 42rem; }

.grid {
  display: grid;
  gap: 1rem;
}
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-6 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.15rem 1.2rem;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.card.hoverable:hover,
a.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(124, 106, 247, 0.18);
  border-color: var(--hover-border);
  text-decoration: none;
  color: inherit;
}
.card h3 { margin-bottom: 0.35rem; }
.card p { margin: 0; color: var(--text-muted); font-size: 0.95rem; }

.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.5rem 1rem;
  font: 600 0.92rem var(--font-body);
  cursor: pointer;
  transition: transform var(--transition), background var(--transition), border-color var(--transition);
}
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover { background: #8b7bff; color: white; }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-ghost:hover { background: var(--bg-panel); }
.btn-lg { padding: 0.75rem 1.35rem; font-size: 1rem; }
.btn-danger { background: transparent; color: var(--danger); border-color: var(--danger-border); }

.row-actions { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1rem; }

label.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
}
select, input[type="text"], input[type="search"], input[type="number"], textarea {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.7rem;
  font: 500 0.95rem var(--font-body);
}
textarea { min-height: 220px; width: 100%; resize: vertical; line-height: 1.45; }
.controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.8rem;
  margin-bottom: 1rem;
}
.az {
  display: flex;
  flex-wrap: wrap;
  gap: 0.28rem;
  margin: 0 0 1rem;
}
.az-letter {
  width: 1.9rem;
  height: 1.9rem;
  padding: 0;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  font: 600 0.78rem var(--font-body);
  cursor: pointer;
}
.az-all { width: auto; padding: 0 0.55rem; }
.az-letter:hover:not(:disabled) { color: var(--text); background: var(--bg-panel); }
.az-letter.is-active {
  color: var(--text);
  background: var(--bg-panel);
  border-color: var(--accent);
}
.az-letter:disabled { opacity: 0.32; cursor: default; }
.az-letter:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.1rem 0.5rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.badge.ready { background: rgba(80, 227, 164, 0.15); color: var(--success); }
.badge.custom { background: rgba(247, 162, 52, 0.15); color: var(--accent-3); }

.result-capo {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  color: var(--accent-2);
  margin: 0.2rem 0;
}
.callout {
  border-left: 3px solid var(--accent-3);
  padding: 0.2rem 0 0.2rem 0.9rem;
  color: var(--text-muted);
  font-size: 0.92rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
th, td {
  border-bottom: 1px solid var(--border);
  padding: 0.55rem 0.65rem;
  text-align: center;
}
th {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
td.key, th.key { text-align: left; font-weight: 600; }
td.hl { color: var(--accent-2); font-weight: 700; }
.table-wrap { overflow-x: auto; }

.fretboard-svg, .guitar-svg {
  width: auto;
  max-width: 100%;
  height: auto;
  display: block;
}
.fb-dot.behind { fill: var(--behind); }
.fb-dot-label.behind { fill: var(--behind-label); }
.fb-body { fill: #241c16; stroke: #3a3128; stroke-width: 1.5; }
.fb-head { fill: #1c1916; stroke: #3a3128; }
.guitar-neck { margin: 0 0 1.4rem; overflow-x: auto; }
.fb-wood { fill: var(--wood); }
.fb-string { stroke: var(--string); stroke-width: 1.2; }
.fb-fret { stroke: var(--fret); stroke-width: 2; }
.fb-nut { stroke: var(--nut); stroke-width: 5; }
.fb-capo { fill: rgba(247, 162, 52, 0.28); stroke: var(--accent-3); }
.fb-inlay { fill: var(--inlay); }
.fb-label { fill: var(--text-muted); font-size: 10px; font-family: var(--font-body); }
.fb-string-name, .fb-fret-num { fill: var(--text-muted); font-size: 9px; font-family: var(--font-body); text-anchor: middle; }
.fb-dot.scale { fill: var(--mark-2); }
.fb-dot.root { fill: var(--mark); }
.fb-dot.minor-root { fill: var(--mark-3); }
.fb-dot.approach { fill: var(--mark-3); }
.fb-dot.chord-tone { fill: var(--mark-2); }
.fb-dot-label {
  fill: var(--on-mark);
  font-size: 8px;
  font-weight: 700;
  text-anchor: middle;
  font-family: var(--font-body);
}
.fret-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.2rem;
  margin-top: 0.6rem;
  color: var(--text-muted);
  font-size: 0.82rem;
}
.swatch {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 0.35rem;
}
.swatch.root { background: var(--mark); }
.swatch.minor-root { background: var(--mark-3); }
.swatch.approach { background: var(--mark-3); }
.swatch.chord-tone { background: var(--mark-2); }
.swatch.scale { background: var(--mark-2); }

.scale-strip {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1rem;
  align-items: center;
}
.note-pills { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.4rem; }
.pill {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.2rem 0.65rem;
  font-weight: 600;
}
.pill.root { background: var(--accent); color: #fff; border-color: transparent; }
.pill.minor-root { background: var(--accent-3); color: #1a1206; border-color: transparent; }
.equals { font-size: 1.6rem; color: var(--text-muted); }

.mixer {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 0.8rem;
}
.mixer-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.9rem;
  opacity: 0.55;
}
.mixer-card.on { opacity: 1; border-color: #3d3a6a; }
.mixer-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}
.switch {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 600;
  cursor: pointer;
}
.now-playing {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-height: 5.5rem;
  justify-content: center;
}
.now-playing .sheet-line { margin: 0; }
.now-playing .sheet-col .chord {
  font-family: var(--font-display);
  font-size: 2rem;
}
.now-playing .sheet-col .lyric { font-size: 1.25rem; }
.beat-pip {
  font-variant-numeric: tabular-nums;
  color: var(--accent-3);
  font-weight: 700;
}

.sheet-section {
  margin: 1.2rem 0 0.5rem;
  color: var(--accent-3);
  font-size: 1.05rem;
}
.sheet-line {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  margin: 0 0 0.85rem;
}
.sheet-col {
  display: inline-flex;
  flex-direction: column;
  justify-content: flex-end;
  max-width: 100%;
  padding: 0.12rem 0.7rem 0.15rem 0.15rem;
  border-radius: 6px;
}
.sheet-col .chord {
  font-weight: 700;
  color: var(--accent-2);
  line-height: 1.15;
  min-height: 1.15em;
}
.sheet-col .lyric {
  color: var(--text);
  font-size: 1rem;
  line-height: 1.35;
}
.sheet-col.active {
  background: var(--bar-active);
  box-shadow: inset 0 -2px 0 var(--accent);
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.4rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}
.footer-inner {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

.note-list { margin: 0; padding-left: 1.1rem; color: var(--text-muted); }
.note-list li { margin: 0.35rem 0; }

.tabs { margin: 0 0 0.4rem; }
.tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0 0 1.15rem;
}
.tab-list [role="tab"] {
  appearance: none;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
  font: 600 0.88rem var(--font-body);
  cursor: pointer;
}
.tab-list [role="tab"]:hover { color: var(--text); background: var(--bg-panel); }
.tab-list [role="tab"]:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 2px;
}
.tab-list [role="tab"].is-active,
.tab-list [role="tab"][aria-selected="true"] {
  color: #fff;
  background: var(--accent);
  border-color: transparent;
}
.tabs.nested { margin-top: 0.4rem; }
.tabs.nested > .tab-list [role="tab"] {
  font-size: 0.8rem;
  padding: 0.3rem 0.75rem;
}
.tabs.nested > .tab-list [role="tab"].is-active,
.tabs.nested > .tab-list [role="tab"][aria-selected="true"] {
  background: var(--bg-panel);
  color: var(--text);
  border-color: var(--accent);
}
.tab-panels > [role="tabpanel"] { outline: none; }
.tab-panels > [role="tabpanel"][hidden] { display: none; }

.chord-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
  gap: 0.9rem;
}
.chord-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.85rem 0.6rem 0.95rem;
  text-align: center;
}
.chord-card.is-playing,
.chord-card:hover { border-color: var(--accent-2); }
.chord-play {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  border-radius: inherit;
  background: transparent;
  cursor: pointer;
}
.chord-play:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: -3px;
}
.chord-play-label {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.chord-play-mark {
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.chord-card-head {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.35rem;
}
.chord-card h3 { margin: 0; font-size: 1.25rem; }
.chord-svg { width: 118px; height: auto; display: block; margin: 0 auto; }
.cd-string { stroke: var(--string); stroke-width: 1.2; }
.cd-fret { stroke: var(--fret); stroke-width: 1.6; }
.cd-nut { stroke: var(--nut); stroke-width: 5; stroke-linecap: square; }
.cd-dot { fill: var(--mark-2); }
.cd-barre { fill: var(--mark-2); }
.cd-finger {
  fill: var(--on-mark);
  font-size: 8px;
  font-weight: 700;
  text-anchor: middle;
  font-family: var(--font-body);
}
.cd-mute { fill: var(--text-muted); font-size: 12px; text-anchor: middle; font-family: var(--font-body); }
.cd-open { fill: none; stroke: var(--accent-2); stroke-width: 1.4; }
.cd-base { fill: var(--text-muted); font-size: 9px; font-family: var(--font-body); }

.pill small {
  display: block;
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-muted);
  line-height: 1.1;
}
.chord-card .why { margin-top: 0.45rem; min-height: 3.2em; }

.slide-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 0.6rem;
  align-items: center;
}
.slide-arrow {
  font-size: 1.8rem;
  color: var(--accent-2);
  text-align: center;
}
.walk-strip {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
}
.walk-notes {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin-top: 0.6rem;
}
.walk-note {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.45rem 0.75rem;
  text-align: center;
  min-width: 4.5rem;
}
.walk-note.landing {
  border-color: var(--accent-2);
  background: rgba(80, 227, 194, 0.12);
}
.walk-note b { display: block; font-size: 1.2rem; }
.walk-arr { color: var(--text-muted); }

@media (max-width: 860px) {
  .slide-row { grid-template-columns: 1fr; }
  .slide-arrow { transform: rotate(90deg); }
  .nav-toggle { display: inline-flex; }
  .site-nav {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--nav-bg);
    padding: 0.6rem;
    flex-direction: column;
  }
  .site-nav.open { display: flex; }
}