:root {
    --color-bg: #17120d;
    --color-surface: #1f1811;
    --color-surface-2: #261c13;

    --text: #eee6d6;
    --text-muted: #a4937b;

    --accent-root: #e8a84c;
    --accent-scale: #64b6a6;
    --accent-glow: #e2a33d;
    --accent-root-glow: rgba(232, 168, 76, 0.65);
    --accent-scale-glow: rgba(100, 182, 166, 0.5);
    --accent-dim: #6b5b7a;

    --border: rgba(233, 226, 208, 0.14);
    --shadow: rgba(0, 0, 0, 0.45);

    --font-display: 'Archivo', system-ui, -apple-system, "Segoe UI", sans-serif;
    --font-body: 'Archivo', system-ui, -apple-system, "Segoe UI", sans-serif;
    --font-mono: 'Space Mono', ui-monospace, "SF Mono", "Cascadia Code", "Consolas", monospace;

    --wood-1: #4a3020;
    --wood-2: #2c1c12;
    --fret-wire: #cdc6b8;
    --nut: #eee7d6;
    --string: #e7e0cd;
    --inlay: #caa15a;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--color-bg);
    color: var(--text);
    font-family: var(--font-body);
    line-height: 1.5;
    padding: clamp(16px, 4vw, 40px);
}

.page {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.site-nav {
    display: flex;
    gap: 4px;
}

.site-nav a {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--text-muted);
    padding: 8px 14px;
    border-radius: 6px;
    border: 1px solid transparent;
    transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.site-nav a:hover {
    color: var(--text);
    border-color: var(--border);
}

.site-nav a[aria-current="page"] {
    color: var(--accent-root);
    border-color: var(--accent-root);
    background: rgba(232, 168, 76, 0.12);
}

.brand {
    color: inherit;
    text-decoration: none;
}

.brand:hover {
    color: var(--accent-root);
}

.panel {
    background: var(--color-surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: clamp(16px, 2.5vw, 26px);
    box-shadow: 0 8px 24px var(--shadow);
}

.panel h2{
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin: 0 0 16px 0;
}

header.badge {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}

header.badge h1 {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: clamp(28px, 4vw, 40px);
    letter-spacing: -0.01em;
    margin: 0;
    text-wrap: balance;
}

header.badge .tagline {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
}

header.badge .tagline strong {
    color: var(--text);
    font-weight: 700;
}

.controls-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

.field:last-child {
    margin-bottom: 0;
}

.field label {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.select-wrap {
    position: relative;
    display: inline-block;
}

.select-wrap::after {
    content: "";
    position: absolute;
    top: 50%;
    right: 13px;
    width: 7px;
    height: 7px;
    border-right: 2px solid var(--text-muted);
    border-bottom: 2px solid var(--text-muted);
    transform: translateY(-65%) rotate(45deg);
    pointer-events: none;
}

select:focus-visible, button:focus-visible, .chip:focus-visible {
    outline: 2px solid var(--accent-glow);
    outline-offset: 2px;
}

.root-picker {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 6px;
}

.chip {
    font-family: var(--font-mono);
    font-size: 13px;
    text-align: center;
    padding: 9px 0;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--color-surface-2);
    color: var(--text);
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease, transform 0.1s ease;
}

.chip:hover:not([aria-pressed="true"]) {
    transform: translateY(-1px);
    border-color: var(--accent-root);
    color: var(--accent-root);
}

.chip[aria-pressed="true"] {
    background: var(--accent-root);
    border-color: var(--accent-root);
    color: #fff8ec;
}

select {
    font-family: var(--font-mono);
    font-size: 12.5px;
    color: var(--text);
    background: var(--color-surface-2);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 9px 36px 9px 12px;
    width: 100%;
    appearance: none;
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease;
}

select:hover {
    border-color: var(--accent-scale);
    background: var(--color-surface);
}

.segmented {
    display: inline-flex;
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
    width: fit-content;
}

.segmented button {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.04em;
    padding: 8px 14px;
    background: var(--color-surface-2);
    color: var(--text-muted);
    border: none;
    border-right: 1px solid var(--border);
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease;
}

.segmented button:last-child {
    border-right: none;
}

.segmented button:hover:not([aria-pressed="true"]) {
    background: var(--color-surface);
    color: var(--text);
}

.segmented button[aria-pressed="true"] {
    background: var(--accent-scale);
    color: #17120d;
}

.fretboard-wrap {
    overflow-x: auto;
    border-radius: 8px;
    border: 1px solid var(--border);
}

#fretboard {
    display: block;
    width: 100%;
    min-width: 820px;
    height: auto;
}

.note-dot {
    cursor: pointer;
    transform-origin: center;
    transform-box: fill-box;
    transition: transform 0.12s ease;
}

.note-dot:hover {
    transform: scale(1.12);
}

.note-dot:focus {
    outline: none;
}

.note-dot:focus-visible {
    outline: none;
}

.note-dot:focus-visible circle {
    stroke: var(--accent-glow);
    stroke-width: 3;
}

@keyframes pluck {
    0%   { transform: scale(1); }
    40%  { transform: scale(1.3); }
    100% { transform: scale(1); }
}

.note-dot.plucked {
    animation: pluck 0.28s ease;
}

.bpm-value {
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
    font-size: 56px;
    font-weight: 700;
    color: var(--accent-root);
    line-height: 1;
}

.bpm-label {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    color: var(--text-muted);
}

.tempo-name {
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 600;
    font-size: 15px;
    color: var(--accent-scale);
}

.step-btn {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--color-surface-2);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 15px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}

.step-btn:hover {
  border-color: var(--accent-root);
  color: var(--accent-root);
  transform: scale(1.1);
}

input[type="range"] {
  accent-color: var(--accent-glow, var(--accent-root));
  cursor: pointer;
}

.transport-buttons button, .tap-btn {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 12px 18px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--color-surface-2);
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.12s ease, background 0.12s ease, color 0.12s ease;
}

.transport-buttons button:hover:not([aria-pressed="true"]), .tap-btn:hover {
  border-color: var(--accent-scale);
  color: var(--accent-scale);
}

.tap-btn:active, .transport-buttons button:active {
    transform: translateY(1px);
}

#playToggle[aria-pressed="true"] {
  background: var(--accent-root);
  border-color: var(--accent-root);
  color: #17120d;
}

.beat-leds {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin: 12px 0;
}

.led {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-surface-2);
  border: 1px solid var(--border);
  transition: background 0.05s ease, box-shadow 0.05s ease;
}

.led.on {
    background: var(--accent-scale);
    box-shadow: 0 0 10px var(--accent-scale);
}

.metronome-body {
    display: flex;
    flex-wrap: wrap;
    gap: 28px;
    align-items: center;
    width: 100%;
}

.tempo-readout {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    flex: 2 1 280px;
}

.tempo-adjust {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
}

.tempo-adjust input[type="range"] {
    flex: 1;
}

.transport {
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex: 1 1 220px;
}

.transport-buttons {
    display: flex;
    gap: 10px;
}

.transport-buttons button {
    flex: 1;
    justify-content: center;
}

.meter-select {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 0 1 140px;
}

.meter-select label {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.legend {
    display: flex;
    gap: 20px;
    margin-top: 16px;
    font-family: var(--font-mono);
    font-size: 12px;
    line-height: 1;
    color: var(--text-muted);
    flex-wrap: wrap;
}

.legend span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.swatch {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.site-footer {
    border-top: 1px solid var(--border);
    padding-top: 18px;
    margin-top: 8px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    align-items: center;
    text-align: center;
}

.footer-note {
    font-family: var(--font-mono);
    font-size: 11.5px;
    color: var(--text-muted);
    margin: 0;
}

.footer-meta {
    font-family: var(--font-mono);
    font-size: 11.5px;
    color: var(--text-muted);
    margin: 0;
}

.footer-meta a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.15s ease;
}

.footer-meta a:hover {
    color: var(--accent-root);
}

.footer-sep {
    opacity: 0.5;
    margin: 0 6px;
}

.copyright {
    font-size: 0.8em;
    opacity: 0.75;
    vertical-align: 0.08em;
}

.wheel-wrap {
    display: flex;
    justify-content: center;
    padding: 10px 0;
}

#chordWheel {
    width: 100%;
    max-width: 560px;
    height: auto;
}

#chordWheel path {
    transition: opacity 0.35s ease;
}

#chordWheel text {
    transition: opacity 0.35s ease;
}