/* ═══════════════════════════════════════════════════════════════
   BeatTemple — Styles
   Dark mode (default) + Light mode via [data-theme="light"]
═══════════════════════════════════════════════════════════════ */

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

/* ── DARK MODE (default) ── */
:root,
[data-theme="dark"] {
  --bg:          #0d0c0a;
  --surface:     #141310;
  --surface2:    #1c1a16;
  --border:      #2e2a22;
  --border2:     #3d3830;
  --text:        #f0ebe0;
  --text2:       #c8bca8;
  --muted:       #7a7060;
  --ink:         #d8cbb0;
  --vermil:      #d4572e;
  --vermil-g:    rgba(212,87,46,0.35);
  --gold:        #d4a840;
  --gold-g:      rgba(212,168,64,0.3);
  --indigo:      #4a6fa0;
  --accent:      #d4572e;
  --accent2:     #d4a840;
  --accent3:     #4a6fa0;
  --beat-glow:   rgba(212,87,46,0.55);
  --card-shadow: 0 4px 32px rgba(0,0,0,0.5), 0 1px 0 rgba(200,184,154,0.06) inset;
  --nav-bg:      rgba(13,12,10,0.94);
  --ad-bg:       rgba(255,255,255,0.03);
  --ad-border:   rgba(255,255,255,0.08);
  --banner-bg:   rgba(213,43,30,0.12);
  --banner-border: rgba(213,43,30,0.3);
  --banner-text: #f0d0c8;
  color-scheme: dark;
}

/* ── LIGHT MODE ── */
[data-theme="light"] {
  --bg:          #f5f0e8;
  --surface:     #ffffff;
  --surface2:    #ede8de;
  --border:      #d0c8b8;
  --border2:     #b8b0a0;
  --text:        #1a1610;
  --text2:       #4a4030;
  --muted:       #7a7060;
  --ink:         #2a2018;
  --vermil:      #b83820;
  --vermil-g:    rgba(184,56,32,0.2);
  --gold:        #a87c20;
  --gold-g:      rgba(168,124,32,0.2);
  --indigo:      #2a4870;
  --accent:      #b83820;
  --accent2:     #a87c20;
  --accent3:     #2a4870;
  --beat-glow:   rgba(184,56,32,0.4);
  --card-shadow: 0 4px 24px rgba(0,0,0,0.1), 0 1px 0 rgba(255,255,255,0.8) inset;
  --nav-bg:      rgba(245,240,232,0.96);
  --ad-bg:       rgba(0,0,0,0.04);
  --ad-border:   rgba(0,0,0,0.12);
  --banner-bg:   rgba(213,43,30,0.08);
  --banner-border: rgba(213,43,30,0.25);
  --banner-text: #6a1810;
  color-scheme: light;
}

html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Zen Kaku Gothic New', sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background 0.3s, color 0.3s;
}

[data-theme="dark"] body::before {
  content: '';
  position: fixed; inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 10%, rgba(212,87,46,0.055) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 85% 80%, rgba(74,111,160,0.04) 0%, transparent 55%),
    radial-gradient(ellipse 100% 80% at 50% 50%, rgba(212,168,64,0.02) 0%, transparent 70%);
  pointer-events: none; z-index: 0;
}
[data-theme="dark"] body::after {
  content: '';
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
  background-size: 200px 200px;
  pointer-events: none; z-index: 0; opacity: 0.6;
}
[data-theme="light"] body::before,
[data-theme="light"] body::after { content: none; }

.deco-wrap { position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }
[data-theme="light"] .deco-wrap { display: none; }

/* ════════ CANADA BANNER ════════ */
.canada-banner {
  position: relative; z-index: 200;
  background: var(--banner-bg);
  border-bottom: 1px solid var(--banner-border);
  padding: 7px 48px 7px 16px;
}
.canada-banner.hidden { display: none; }
.canada-banner-inner {
  max-width: 1400px; margin: 0 auto;
  display: flex; align-items: center; justify-content: center;
  gap: 10px;
}
.canada-banner-flag {
  height: 18px; width: auto; flex-shrink: 0;
  border-radius: 2px; box-shadow: 0 1px 4px rgba(0,0,0,0.25);
}
.canada-banner-text {
  font-family: 'Shippori Mincho B1', serif;
  font-size: 13px; font-weight: 600;
  color: var(--banner-text); letter-spacing: 0.5px; white-space: nowrap;
}
.canada-banner-close {
  position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  background: none; border: none; color: var(--banner-text);
  font-size: 20px; cursor: pointer; opacity: 0.5; padding: 0 4px; line-height: 1;
  transition: opacity 0.15s;
}
.canada-banner-close:hover { opacity: 1; }

/* ════════ AD SLOTS ════════ */

.page-wrap { display: flex; align-items: flex-start; min-height: 100vh; position: relative; z-index: 1; }
.page-centre { flex: 1; min-width: 0; }

@media (max-width: 1200px) {  }
@media (max-width: 768px) {
  .canada-banner-text { font-size: 11px; }
  .canada-banner-flag { height: 14px; }
}

/* ── Ko-fi nav button ── */
.kofi-nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 11px;
  border-radius: 20px;
  border: 1px solid var(--vermil);
  color: var(--vermil);
  font-family: 'Zen Kaku Gothic New', sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
}
.kofi-nav-btn:hover {
  background: var(--vermil);
  color: #fff;
}
/* Hide the auto-drawn floating Ko-fi widget — we use our own button */
.kofi-widget-overlay, #kofi-widget-overlay { display: none !important; }

/* ── Ko-fi section comment ── */

/* ════════ NAV ════════ */
nav {
  position: sticky; top: 0; z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 0 24px; display: flex; align-items: center; height: 64px; gap: 12px;
  transition: background 0.3s, border-color 0.3s;
}
nav::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--vermil) 30%, var(--gold) 60%, transparent);
  opacity: 0.7;
}
.nav-logo {
  font-family: 'Shippori Mincho B1', serif; font-size: 20px; font-weight: 800;
  letter-spacing: 1px; margin-right: auto; color: var(--ink);
  display: flex; align-items: center; gap: 10px;
}
.nav-logo-icon { width: 28px; height: 28px; flex-shrink: 0; }
.nav-logo em { font-style: normal; color: var(--vermil); }
.nav-tagline {
  font-family: 'JetBrains Mono', monospace; font-size: 9px;
  color: var(--muted); letter-spacing: 2px; text-transform: uppercase;
  display: block; margin-top: 1px;
}
.nav-tabs { display: flex; gap: 4px; }
.nav-tab {
  padding: 8px 18px; border-radius: 3px; cursor: pointer;
  font-family: 'Zen Kaku Gothic New', sans-serif; font-size: 13px;
  font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--muted); transition: all 0.2s; border: none; background: none; position: relative;
}
.nav-tab::after {
  content: ''; position: absolute; bottom: 0; left: 50%; right: 50%;
  height: 2px; background: var(--vermil); transition: left 0.2s, right 0.2s;
}
.nav-tab:hover { color: var(--text2); }
.nav-tab.active { color: var(--vermil); }
.nav-tab.active::after { left: 10px; right: 10px; }

.nav-right { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

/* Theme toggle */
.theme-toggle {
  width: 34px; height: 34px; border-radius: 50%;
  border: 1px solid var(--border2); background: none;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  font-size: 15px; transition: border-color 0.15s, background 0.15s; flex-shrink: 0;
}
.theme-toggle:hover { border-color: var(--gold); background: var(--gold-g); }
[data-theme="dark"]  .theme-icon-dark  { display: block; }
[data-theme="dark"]  .theme-icon-light { display: none; }
[data-theme="light"] .theme-icon-dark  { display: none; }
[data-theme="light"] .theme-icon-light { display: block; }

/* Lang switcher */
.lang-switcher { position: relative; }
.lang-btn {
  padding: 5px 12px; border: 1px solid var(--border2); border-radius: 3px;
  background: none; color: var(--text2); font-family: 'JetBrains Mono', monospace;
  font-size: 11px; font-weight: 700; letter-spacing: 1px; cursor: pointer; transition: all 0.15s;
}
.lang-btn:hover { border-color: var(--vermil); color: var(--vermil); }
.lang-menu {
  display: none; position: absolute; top: calc(100% + 8px); right: 0;
  background: var(--surface); border: 1px solid var(--border2); border-radius: 4px;
  overflow: hidden; z-index: 200; min-width: 140px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}
.lang-menu.open { display: block; animation: fadeUp 0.15s ease; }
.lang-menu button {
  display: block; width: 100%; padding: 9px 14px; background: none; border: none;
  color: var(--text2); font-family: 'JetBrains Mono', monospace; font-size: 12px;
  text-align: left; cursor: pointer; transition: background 0.1s, color 0.1s;
}
.lang-menu button:hover { background: var(--surface2); color: var(--vermil); }

/* ════════ MAIN ════════ */
main {
  position: relative; z-index: 1;
  max-width: 740px; margin: 0 auto; padding: 48px 24px 80px;
}
.panel { display: none; }
.panel.active { display: block; animation: fadeUp 0.35s cubic-bezier(0.16,1,0.3,1); }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.tool-header { margin-bottom: 44px; position: relative; padding-left: 20px; }
.tool-header::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: linear-gradient(180deg, var(--vermil), transparent); border-radius: 2px;
}
.tool-label {
  font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: 4px;
  color: var(--vermil); text-transform: uppercase; margin-bottom: 6px; opacity: 0.9;
}
.tool-title {
  font-family: 'Shippori Mincho B1', serif; font-size: 36px; font-weight: 800;
  color: var(--text); letter-spacing: -0.5px;
}

.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 2px;
  padding: 32px; margin-bottom: 20px; position: relative;
  box-shadow: var(--card-shadow); transition: background 0.3s, border-color 0.3s;
}
[data-theme="dark"] .card::before, [data-theme="dark"] .card::after {
  content: ''; position: absolute; width: 12px; height: 12px;
  border-color: var(--vermil-g); border-style: solid; opacity: 0.5;
}
[data-theme="dark"] .card::before { top: 6px; left: 6px; border-width: 1px 0 0 1px; }
[data-theme="dark"] .card::after  { bottom: 6px; right: 6px; border-width: 0 1px 1px 0; }

/* ════════ FOOTER ════════ */
footer {
  position: relative; z-index: 1; border-top: 1px solid var(--border);
  padding: 20px 24px; display: flex; justify-content: space-between;
  align-items: center; flex-wrap: wrap; gap: 12px; transition: border-color 0.3s;
}
footer::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--vermil) 30%, var(--gold) 60%, transparent);
  opacity: 0.3;
}
.footer-text { font-family: 'JetBrains Mono', monospace; font-size: 10px; color: var(--muted); }
.footer-links { display: flex; gap: 16px; }
.footer-links a {
  font-family: 'JetBrains Mono', monospace; font-size: 10px; color: var(--muted);
  text-decoration: none; transition: color 0.15s;
}
.footer-links a:hover { color: var(--vermil); }

/* ════════ SEO SECTION ════════ */
.seo-section {
  position: relative; z-index: 1;
  max-width: 740px; margin: 0 auto;
  padding: 48px 24px 40px; border-top: 1px solid var(--border);
}
.seo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin-bottom: 40px; }
.seo-block h2 {
  font-family: 'Shippori Mincho B1', serif; font-size: 18px; font-weight: 600;
  color: var(--text); margin-bottom: 10px; position: relative; padding-left: 14px;
}
.seo-block h2::before {
  content: ''; position: absolute; left: 0; top: 2px; bottom: 2px; width: 3px;
  background: var(--vermil); border-radius: 2px; opacity: 0.7;
}
.seo-block p { font-size: 12px; color: var(--text2); line-height: 1.7; }
.faq-section { margin-top: 8px; }
.faq-title {
  font-family: 'Shippori Mincho B1', serif; font-size: 22px; font-weight: 600;
  color: var(--text); margin-bottom: 20px;
}
.faq-item { border-bottom: 1px solid var(--border); padding: 14px 0; }
.faq-q {
  font-size: 14px; font-weight: 700; color: var(--text2);
  cursor: pointer; position: relative; padding-right: 28px; transition: color 0.15s;
}
.faq-q::after {
  content: '+'; position: absolute; right: 0; color: var(--vermil);
  font-size: 18px; line-height: 1; transition: transform 0.2s;
}
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-q:hover { color: var(--text); }
.faq-a { display: none; font-size: 12px; color: var(--text2); line-height: 1.7; margin-top: 10px; }
.faq-item.open .faq-a { display: block; }
@media (max-width: 600px) { .seo-grid { grid-template-columns: 1fr; } }

.bpm-display {
  text-align: center;
  margin-bottom: 36px;
  position: relative;
}

.bpm-number {
  font-family: 'Shippori Mincho B1', serif;
  font-size: 108px;
  font-weight: 800;
  letter-spacing: -5px;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  transition: color 0.08s;
  text-shadow: 0 0 60px rgba(201,79,42,0);
  transition: color 0.08s, text-shadow 0.08s;
}

.bpm-number.flash {
  color: var(--vermil);
  text-shadow: 0 0 40px rgba(201,79,42,0.4);
}

.bpm-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 5px;
  color: var(--muted);
  text-transform: uppercase;
  margin-top: 2px;
}

.tempo-name {
  font-family: 'Shippori Mincho B1', serif;
  font-size: 14px;
  color: var(--vermil);
  font-weight: 600;
  margin-top: 8px;
  min-height: 20px;
  letter-spacing: 1px;
}

/* Beat visualizer */
.beat-viz {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 32px;
  align-items: center;
}

.beat-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--muted);
  border: 1px solid transparent;
  transition: background 0.05s, box-shadow 0.05s, transform 0.05s;
  cursor: pointer;
}

.beat-dot.accent {
  background: var(--muted);
  border-color: var(--muted);
}

.beat-dot.active {
  background: var(--vermil);
  border-color: var(--vermil);
  box-shadow: 0 0 14px var(--beat-glow), 0 0 28px rgba(201,79,42,0.2);
  transform: scale(1.4);
}

.beat-dot.accent.active {
  background: var(--gold);
  border-color: var(--gold);
  box-shadow: 0 0 18px var(--gold-g);
}

.beat-dot.strong-accent {
  width: 14px;
  height: 14px;
  background: var(--vermil);
  border-color: var(--vermil);
  box-shadow: 0 0 6px var(--vermil-g);
}
.beat-dot.strong-accent.active {
  background: var(--vermil);
  box-shadow: 0 0 24px var(--beat-glow);
  transform: scale(1.5);
}

.beat-group-gap { width: 8px; flex-shrink: 0; }

/* Beat dot hover */
.beat-dot:hover {
  transform: scale(1.25);
  border-color: var(--text2);
}

.beat-dot.strong-accent:hover {
  opacity: 0.7;
  transform: scale(1.25);
}

/* Slider */
.slider-wrap { margin-bottom: 28px; }

.slider-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.slider-row label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
}

.slider-val {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text2);
}

input[type=range] {
  -webkit-appearance: none;
  width: 100%;
  height: 3px;
  background: var(--border2);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--vermil);
  box-shadow: 0 0 8px rgba(201,79,42,0.5);
  cursor: pointer;
  transition: transform 0.1s;
  border: 2px solid var(--bg);
}
input[type=range]::-webkit-slider-thumb:hover { transform: scale(1.25); }

/* Time signature */
.time-sig-wrap { margin-bottom: 28px; }

.time-sig-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}

.time-sig-options {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.time-sig-btn {
  flex: 1;
  min-width: 42px;
  padding: 9px 6px;
  border: 1px solid var(--border2);
  border-radius: 3px;
  background: none;
  color: var(--muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s;
}

.time-sig-btn:hover { border-color: var(--vermil); color: var(--ink); background: rgba(201,79,42,0.05); }
.time-sig-btn.active { border-color: var(--vermil); color: var(--vermil); background: rgba(201,79,42,0.08); }

.ts-custom-toggle {
  background: rgba(200,154,58,0.04) !important;
  border-color: var(--border2) !important;
  color: var(--gold) !important;
}
.ts-custom-toggle:hover { border-color: var(--gold) !important; background: rgba(200,154,58,0.08) !important; }
.ts-custom-toggle.open { background: rgba(200,154,58,0.1) !important; border-color: var(--gold) !important; }

/* Custom meter panel */
.custom-meter-panel {
  display: none;
  margin-top: 14px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 20px;
  animation: fadeUp 0.2s ease;
}
.custom-meter-panel.open { display: block; }

.custom-meter-row {
  display: flex;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 20px;
}

.custom-field-group { flex: 1; display: flex; flex-direction: column; gap: 8px; }

.custom-field-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
}

.field-hint {
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  color: var(--muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
}

.custom-field-group input[type=number] {
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--border2);
  border-radius: 3px;
  color: var(--ink);
  font-family: 'JetBrains Mono', monospace;
  font-size: 18px;
  font-weight: 500;
  outline: none;
  width: 100%;
  -moz-appearance: textfield;
  transition: border-color 0.15s;
}
.custom-field-group input[type=number]::-webkit-outer-spin-button,
.custom-field-group input[type=number]::-webkit-inner-spin-button { -webkit-appearance: none; }
.custom-field-group input[type=number]:focus { border-color: var(--vermil); }
.custom-field-group input[type=number].error { border-color: var(--vermil); }

.custom-sig-divider {
  font-family: 'Shippori Mincho B1', serif;
  font-size: 40px;
  font-weight: 800;
  color: var(--muted);
  padding-bottom: 6px;
  flex-shrink: 0;
}

.denom-options { display: flex; gap: 5px; }

.denom-btn {
  flex: 1;
  padding: 10px 6px;
  border: 1px solid var(--border2);
  border-radius: 3px;
  background: none;
  color: var(--muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.15s;
}
.denom-btn:hover { border-color: var(--vermil); color: var(--ink); }
.denom-btn.active { border-color: var(--vermil); color: var(--vermil); background: rgba(201,79,42,0.08); }

/* Grouping section */
.grouping-section { margin-bottom: 14px; }

.grouping-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.grouping-hint-btn {
  font-size: 10px;
  font-family: 'JetBrains Mono', monospace;
  color: var(--vermil);
  background: none;
  border: 1px solid var(--vermil);
  border-radius: 3px;
  padding: 3px 9px;
  cursor: pointer;
  transition: all 0.15s;
  opacity: 0.7;
}
.grouping-hint-btn:hover { opacity: 1; background: rgba(201,79,42,0.08); }

.grouping-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
  min-height: 44px;
  align-items: center;
  padding: 6px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 3px;
  transition: border-color 0.15s;
}
.grouping-pills.drag-over { border-color: var(--vermil); background: rgba(201,79,42,0.03); }
.grouping-pills.empty-hint::after {
  content: 'All groups removed — use + buttons below to add';
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--muted);
}

.group-pill {
  display: flex;
  align-items: center;
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: 3px;
  overflow: hidden;
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  transition: border-color 0.15s, box-shadow 0.15s, opacity 0.15s;
  cursor: grab;
  user-select: none;
}
.group-pill:active { cursor: grabbing; }
.group-pill.valid { border-color: var(--vermil); }
.group-pill.error { border-color: var(--gold); }
.group-pill.dragging { opacity: 0.3; }
.group-pill.drag-target { box-shadow: -3px 0 0 var(--vermil); }

.pill-handle {
  padding: 6px 6px 6px 8px;
  color: var(--muted);
  font-size: 10px;
  cursor: grab;
  line-height: 1;
  letter-spacing: -1px;
}
.group-pill:hover .pill-handle { color: var(--text2); }

.pill-val {
  padding: 5px 4px;
  min-width: 22px;
  text-align: center;
  background: none;
  border: none;
  border-left: 1px solid var(--border2);
  border-right: 1px solid var(--border2);
  color: inherit;
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  font-weight: 500;
  outline: none;
  width: 36px;
  -moz-appearance: textfield;
}
.pill-val::-webkit-outer-spin-button,
.pill-val::-webkit-inner-spin-button { -webkit-appearance: none; }
.pill-val:focus { background: rgba(201,79,42,0.06); color: var(--vermil); }
.group-pill.valid .pill-val { color: var(--vermil); }
.group-pill.error  .pill-val { color: var(--gold); }

.group-pill-remove {
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 13px;
  padding: 5px 8px;
  line-height: 1;
  transition: color 0.15s, background 0.15s;
}
.group-pill-remove:hover { color: var(--vermil); background: rgba(201,79,42,0.08); }

.pill-drop-zone {
  width: 4px; min-height: 32px; border-radius: 2px;
  background: transparent; transition: background 0.1s, width 0.1s; flex-shrink: 0;
}
.pill-drop-zone.active { width: 14px; background: var(--vermil); border-radius: 2px; }

.grouping-controls {
  display: flex; gap: 5px; flex-wrap: wrap; margin-bottom: 10px;
}

.group-add-btn {
  padding: 4px 12px;
  border: 1px dashed var(--border2);
  border-radius: 20px;
  background: none;
  color: var(--muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s;
}
.group-add-btn:hover:not(:disabled) { border-color: var(--vermil); color: var(--vermil); border-style: solid; }
.group-add-btn:disabled { opacity: 0.25; cursor: not-allowed; }

.grouping-sum-row {
  display: flex; align-items: center; gap: 6px;
  font-family: 'JetBrains Mono', monospace; font-size: 12px;
}
.grouping-sum-label { color: var(--muted); }
.grouping-sum-val { font-weight: 500; color: var(--text); }
.grouping-sum-val.ok { color: var(--vermil); }
.grouping-sum-val.over { color: var(--gold); }
.grouping-sum-target { color: var(--muted); }

.custom-error {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--gold);
  min-height: 16px;
  margin-bottom: 4px;
}

.apply-custom-btn {
  width: 100%;
  padding: 12px;
  border-radius: 3px;
  border: none;
  background: var(--vermil);
  color: #fff;
  font-family: 'Zen Kaku Gothic New', sans-serif;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 3px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.15s;
  margin-top: 8px;
}
.apply-custom-btn:hover { filter: brightness(1.1); }
.apply-custom-btn:disabled { opacity: 0.25; cursor: not-allowed; }

/* Active meter display */
.active-meter-info {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 12px;
  padding: 10px 14px;
  background: rgba(201,79,42,0.04);
  border: 1px solid rgba(201,79,42,0.18);
  border-radius: 3px;
}

.active-meter-sig {
  font-family: 'JetBrains Mono', monospace;
  font-size: 16px;
  font-weight: 500;
  color: var(--vermil);
  white-space: nowrap;
}

.active-meter-desc {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--muted);
}

/* Play button */
.play-btn {
  width: 100%;
  padding: 18px;
  border-radius: 3px;
  border: none;
  background: var(--vermil);
  color: #fff;
  font-family: 'Zen Kaku Gothic New', sans-serif;
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 4px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  position: relative;
  overflow: hidden;
}
.play-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.08) 0%, transparent 60%);
  pointer-events: none;
}
.play-btn:hover { filter: brightness(1.1); transform: translateY(-1px); box-shadow: 0 8px 24px rgba(201,79,42,0.4); }
.play-btn:active { transform: translateY(0); }
.play-btn.playing { background: #1a1310; color: var(--vermil); border: 1px solid var(--vermil); box-shadow: 0 0 20px rgba(201,79,42,0.2); }

/* Tempo presets */
.presets {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.preset-btn {
  padding: 10px 6px;
  border: 1px solid var(--border2);
  border-radius: 3px;
  background: none;
  color: var(--muted);
  font-family: 'Zen Kaku Gothic New', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all 0.15s;
  text-align: center;
}
.preset-btn:hover { border-color: var(--vermil); color: var(--ink); background: rgba(201,79,42,0.05); }

.preset-bpm {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 16px;
  font-weight: 500;
  color: var(--text2);
  margin-bottom: 3px;
  transition: color 0.15s;
}
.preset-btn:hover .preset-bpm { color: var(--vermil); }

/* ==================== TAP TEMPO ==================== */
.tap-header-row {
  display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px;
}
.tap-bpm-inline {
  font-family: 'Shippori Mincho B1', serif;
  font-size: 52px; font-weight: 800; letter-spacing: -2px;
  font-variant-numeric: tabular-nums; color: var(--gold); line-height: 1;
}
.tap-btn-inline {
  width: 100%; height: 100px;
  border-radius: 3px;
  border: 1px solid var(--gold);
  background: rgba(200,154,58,0.04);
  color: var(--gold);
  font-family: 'Zen Kaku Gothic New', sans-serif;
  font-size: 16px; font-weight: 900; letter-spacing: 4px; text-transform: uppercase;
  cursor: pointer; transition: all 0.08s; margin-bottom: 12px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
  user-select: none;
}
.tap-btn-inline:active, .tap-btn-inline.tapped {
  background: rgba(200,154,58,0.12); transform: scale(0.97);
  box-shadow: 0 0 24px rgba(200,154,58,0.2);
}
.tap-hint { font-size: 11px; font-family: 'JetBrains Mono', monospace; color: var(--muted); font-weight: 400; letter-spacing: 1px; }
.tap-footer-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.tap-count { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--muted); }
.tap-apply-btn {
  padding: 8px 14px; border-radius: 3px;
  border: 1px solid var(--vermil); background: rgba(201,79,42,0.06); color: var(--vermil);
  font-family: 'Zen Kaku Gothic New', sans-serif; font-size: 12px; font-weight: 700;
  letter-spacing: 0.5px; cursor: pointer; transition: all 0.15s; white-space: nowrap;
}
.tap-apply-btn:hover:not(:disabled) { background: rgba(201,79,42,0.14); }
.tap-apply-btn:disabled { opacity: 0.25; cursor: not-allowed; }
.tap-reset-inline {
  padding: 8px 12px; border-radius: 3px;
  border: 1px solid var(--border); background: none; color: var(--muted);
  font-size: 14px; cursor: pointer; transition: all 0.15s;
}
.tap-reset-inline:hover { border-color: var(--gold); color: var(--gold); }

/* ==================== TUNER ==================== */
.tuner-note-display { text-align: center; margin-bottom: 24px; }

.tuner-note {
  font-family: 'Shippori Mincho B1', serif;
  font-size: 80px; font-weight: 800;
  letter-spacing: -2px; line-height: 1;
  color: var(--ink); transition: color 0.15s;
}
.tuner-note.in-tune { color: var(--vermil); text-shadow: 0 0 30px rgba(201,79,42,0.4); }
.tuner-note.sharp   { color: var(--gold); }
.tuner-note.flat    { color: var(--indigo); }

.tuner-freq {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px; color: var(--muted); margin-top: 4px;
}

/* Needle meter */
.needle-wrap { margin-bottom: 24px; }
.needle-meter {
  position: relative; height: 40px;
  background: var(--bg); border: 1px solid var(--border2); border-radius: 3px;
  overflow: hidden; margin-bottom: 6px;
}
.needle-track {
  position: absolute; top: 50%; left: 0; right: 0;
  height: 1px; background: var(--border2);
}
.needle-center {
  position: absolute; top: 20%; bottom: 20%; left: 50%;
  width: 1px; background: rgba(201,79,42,0.3); transform: translateX(-50%);
}
.needle {
  position: absolute; top: 50%; left: 50%;
  width: 2px; height: 28px;
  background: var(--vermil);
  transform-origin: bottom center;
  transform: translateX(-50%) translateY(-100%) rotate(0deg);
  transition: transform 0.1s cubic-bezier(0.22,1,0.36,1);
  border-radius: 1px 1px 0 0;
  box-shadow: 0 0 8px rgba(201,79,42,0.5);
}
.needle-labels {
  display: flex; justify-content: space-between;
  font-family: 'JetBrains Mono', monospace; font-size: 9px; color: var(--muted);
  padding: 0 4px;
}
.cents-display {
  text-align: center; font-family: 'JetBrains Mono', monospace;
  font-size: 12px; color: var(--text2); margin-top: 6px;
}
.tuner-status {
  text-align: center; font-family: 'JetBrains Mono', monospace;
  font-size: 12px; color: var(--muted);
  padding: 12px; border: 1px dashed var(--border2); border-radius: 3px; margin-bottom: 20px;
}
.tuner-btn {
  width: 100%; padding: 16px;
  border-radius: 3px; border: 1px solid var(--vermil);
  background: rgba(201,79,42,0.06); color: var(--vermil);
  font-family: 'Zen Kaku Gothic New', sans-serif; font-size: 13px;
  font-weight: 900; letter-spacing: 3px; text-transform: uppercase;
  cursor: pointer; transition: all 0.15s; margin-bottom: 24px;
}
.tuner-btn:hover { background: rgba(201,79,42,0.12); }
.tuner-btn.active { background: var(--vermil); color: #fff; }

/* Reference notes */
.reference-notes { display: grid; gap: 6px; }
.reference-notes.cols-4 { grid-template-columns: repeat(4, 1fr); }
.reference-notes.cols-5 { grid-template-columns: repeat(5, 1fr); }
.reference-notes.cols-6 { grid-template-columns: repeat(6, 1fr); }
.reference-notes.cols-7 { grid-template-columns: repeat(7, 1fr); }
.reference-notes.cols-8 { grid-template-columns: repeat(4, 1fr); }
.reference-notes.cols-9 { grid-template-columns: repeat(3, 1fr); }

.ref-note {
  padding: 10px 4px; border: 1px solid var(--border2); border-radius: 3px;
  text-align: center; cursor: pointer; transition: all 0.15s; background: var(--surface2);
}
.ref-note:hover { border-color: var(--vermil); background: rgba(201,79,42,0.05); }
.ref-note.highlighted { border-color: var(--vermil); background: rgba(201,79,42,0.08); }
.ref-note.playing {
  border-color: var(--gold); background: rgba(200,154,58,0.1);
  transform: scale(0.96); box-shadow: 0 0 14px rgba(200,154,58,0.25);
}
.ref-note.extended { border-color: rgba(58,92,138,0.35); }
.ref-note.extended:hover { border-color: var(--indigo); background: rgba(58,92,138,0.06); }
.ref-note-name { font-size: 16px; font-weight: 800; display: block; color: var(--ink); }
.ref-note-string {
  font-family: 'JetBrains Mono', monospace; font-size: 9px; color: var(--muted); display: block; margin-top: 3px;
}
.ref-note-play { display: block; font-size: 8px; color: var(--muted); margin-top: 3px; transition: color 0.15s; }
.ref-note:hover .ref-note-play { color: var(--vermil); }

/* ==================== TUNER INSTRUMENT UI ==================== */
.instr-row { margin-bottom: 14px; }
.instr-tabs {
  display: flex; background: var(--surface2); border-radius: 3px; padding: 3px; gap: 3px;
}
.instr-tab {
  flex: 1; padding: 8px; border: none; border-radius: 3px;
  background: none; color: var(--muted);
  font-family: 'Zen Kaku Gothic New', sans-serif; font-size: 13px; font-weight: 700;
  cursor: pointer; transition: all 0.15s; letter-spacing: 1px; text-transform: uppercase;
}
.instr-tab.active { background: var(--surface); color: var(--vermil); box-shadow: 0 1px 4px rgba(0,0,0,0.4); }
.instr-tab:hover:not(.active) { color: var(--ink); }

.string-count-row { display: flex; gap: 6px; margin-bottom: 14px; flex-wrap: wrap; }
.str-count-btn {
  padding: 5px 12px; border: 1px solid var(--border); border-radius: 20px;
  background: none; color: var(--muted); font-family: 'JetBrains Mono', monospace; font-size: 11px;
  cursor: pointer; transition: all 0.15s;
}
.str-count-btn.active { border-color: var(--vermil); color: var(--vermil); background: rgba(201,79,42,0.07); }
.str-count-btn:hover:not(.active) { border-color: var(--muted); color: var(--ink); }

.tuning-preset-row { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.tuning-preset-label {
  font-size: 10px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase;
  color: var(--muted); white-space: nowrap;
}
.tuning-select {
  flex: 1; padding: 8px 12px;
  background: var(--surface2); border: 1px solid var(--border); border-radius: 3px;
  color: var(--text); font-family: 'JetBrains Mono', monospace; font-size: 12px;
  outline: none; cursor: pointer; transition: border-color 0.15s;
  appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235c5548' fill='none' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center; padding-right: 32px;
}
.tuning-select:focus { border-color: var(--vermil); }
.tuning-select option { background: var(--surface2); color: var(--text); }

.tuning-active-bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 14px;
  background: rgba(201,79,42,0.04); border: 1px solid rgba(201,79,42,0.15); border-radius: 3px;
  margin-bottom: 14px;
}
.tuning-active-name { font-size: 11px; font-weight: 700; color: var(--vermil); letter-spacing: 0.5px; margin-bottom: 2px; }
.tuning-active-notes { font-family: 'JetBrains Mono', monospace; font-size: 13px; color: var(--ink); letter-spacing: 2px; }
.tuning-custom-btn {
  padding: 5px 11px; border: 1px solid var(--border); border-radius: 3px;
  background: none; color: var(--muted); font-family: 'Zen Kaku Gothic New', sans-serif;
  font-size: 11px; font-weight: 700; cursor: pointer; transition: all 0.15s; white-space: nowrap;
}
.tuning-custom-btn:hover { border-color: var(--gold); color: var(--gold); }
.tuning-custom-btn.open { border-color: var(--gold); color: var(--gold); background: rgba(200,154,58,0.06); }

.custom-tuning-panel {
  display: none; background: var(--surface2); border: 1px solid var(--border);
  border-radius: 3px; padding: 16px; margin-bottom: 14px; animation: fadeUp 0.2s ease;
}
.custom-tuning-panel.open { display: block; }
.custom-tuning-label {
  font-size: 10px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase;
  color: var(--muted); margin-bottom: 12px;
}
.custom-tuning-inputs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
.custom-string-input-wrap { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.custom-string-num { font-family: 'JetBrains Mono', monospace; font-size: 9px; color: var(--muted); text-transform: uppercase; }
.custom-string-input {
  width: 48px; padding: 7px 4px;
  background: var(--bg); border: 1px solid var(--border); border-radius: 3px;
  color: var(--text); font-family: 'JetBrains Mono', monospace; font-size: 13px; font-weight: 500;
  text-align: center; outline: none; transition: border-color 0.15s; text-transform: uppercase;
}
.custom-string-input:focus { border-color: var(--gold); }
.custom-string-input.error { border-color: var(--vermil); }
.custom-string-input.ok { border-color: var(--vermil); }
.custom-tuning-error { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--vermil); min-height: 14px; margin-bottom: 10px; }
.custom-tuning-actions { display: flex; gap: 8px; }

/* ==================== LISTEN / BEAT DETECT ==================== */
.listen-body { display: none; margin-top: 16px; }
.listen-body.active { display: block; animation: fadeUp 0.25s ease; }
.listen-status {
  font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--muted);
  text-align: center; padding: 8px; margin-bottom: 12px;
}
.listen-status.listening { color: var(--vermil); }
.listen-status.error { color: var(--gold); }
.listen-results {
  display: flex; align-items: center; background: var(--bg);
  border: 1px solid var(--border2); border-radius: 3px; overflow: hidden;
}
.listen-result-block { flex: 1; padding: 16px 12px 12px; text-align: center; }
.listen-result-val {
  font-family: 'Shippori Mincho B1', serif;
  font-size: 52px; font-weight: 800; letter-spacing: -2px; line-height: 1;
  font-variant-numeric: tabular-nums; color: var(--ink); min-height: 56px;
}
.listen-result-label {
  font-family: 'JetBrains Mono', monospace; font-size: 9px;
  letter-spacing: 3px; text-transform: uppercase; color: var(--muted); margin: 4px 0 8px;
}
.listen-conf-bar-wrap { height: 2px; background: var(--border); border-radius: 1px; overflow: hidden; }
.listen-conf-bar { height: 100%; width: 0%; background: var(--vermil); border-radius: 1px; transition: width 0.4s; }
.listen-conf-meter { background: var(--gold); }
.listen-result-divider { width: 1px; height: 60px; background: var(--border); flex-shrink: 0; }
.listen-actions { display: flex; gap: 8px; margin-top: 12px; }
.listen-actions .tap-apply-btn { flex: 1; text-align: center; }

/* ==================== PRACTICE MODE ==================== */
.practice-header-row {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 0;
}
.practice-subtitle { font-family: 'JetBrains Mono', monospace; font-size: 10px; color: var(--muted); }

/* Toggle switch */
.practice-toggle-wrap { position: relative; cursor: pointer; flex-shrink: 0; margin-top: 2px; }
.practice-toggle-wrap input { display: none; }
.practice-toggle-track {
  display: block; width: 42px; height: 22px; background: var(--border2);
  border-radius: 11px; position: relative; transition: background 0.2s;
}
.practice-toggle-wrap input:checked + .practice-toggle-track { background: var(--vermil); }
.practice-toggle-thumb {
  position: absolute; top: 3px; left: 3px; width: 16px; height: 16px;
  background: var(--text); border-radius: 50%; transition: left 0.2s;
  box-shadow: 0 1px 4px rgba(0,0,0,0.4);
}
.practice-toggle-wrap input:checked + .practice-toggle-track .practice-toggle-thumb { left: 23px; background: #fff; }

.practice-body { display: none; margin-top: 20px; }
.practice-body.active { display: block; animation: fadeUp 0.25s ease; }

.practice-progress-wrap {
  margin-bottom: 18px; padding: 12px;
  background: var(--bg); border-radius: 3px; border: 1px solid var(--border);
}
.practice-progress-bar { height: 4px; background: var(--border); border-radius: 2px; overflow: hidden; margin-bottom: 8px; }
.practice-progress-fill {
  height: 100%; background: linear-gradient(90deg, var(--gold), var(--vermil));
  border-radius: 2px; width: 0%; transition: width 0.4s ease;
}
.practice-progress-labels { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.practice-stage-label { font-family: 'JetBrains Mono', monospace; font-size: 10px; color: var(--muted); }
.practice-stage-bpm { font-family: 'JetBrains Mono', monospace; font-size: 13px; font-weight: 500; color: var(--vermil); }
.practice-skip-btn {
  margin-left: auto;
  padding: 3px 10px;
  border: 1px solid var(--border2);
  border-radius: 3px;
  background: none;
  color: var(--muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}
.practice-skip-btn:hover:not(:disabled) { border-color: var(--vermil); color: var(--vermil); background: rgba(201,79,42,0.06); }
.practice-skip-btn:disabled { opacity: 0.25; cursor: not-allowed; }
.practice-stage-steps { display: flex; gap: 3px; flex-wrap: wrap; }
.practice-step-pip { height: 3px; flex: 1; min-width: 8px; max-width: 28px; background: var(--border); border-radius: 2px; transition: background 0.2s; }
.practice-step-pip.done { background: var(--gold); }
.practice-step-pip.current { background: var(--vermil); box-shadow: 0 0 6px rgba(201,79,42,0.5); }
.practice-step-pip.final { background: rgba(201,79,42,0.25); }
.practice-step-pip.final.current { background: var(--vermil); }

.practice-settings { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }
.practice-field { display: flex; flex-direction: column; gap: 6px; }
.practice-field-label { font-size: 10px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--muted); }
.practice-input-row { display: flex; align-items: center; gap: 8px; }
.practice-input-row input[type=range] { flex: 1; }
.practice-val { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--vermil); white-space: nowrap; min-width: 56px; text-align: right; }

.practice-summary {
  font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--muted);
  padding: 10px 12px; background: rgba(201,79,42,0.03);
  border: 1px solid rgba(201,79,42,0.1); border-radius: 3px; line-height: 1.6;
}

/* ==================== GUITAR TOGGLE ==================== */
.guitar-type-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 6px; }
.guitar-tuning-label { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--muted); margin-bottom: 12px; }

/* ==================== SEO CONTENT SECTION ==================== */