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

:root {
  --mono: 'JetBrains Mono', monospace;
  --sans: 'DM Sans', sans-serif;
}

body, body[data-theme="dark"] {
  --accent-100: #41ccb4;
  --accent-110: #f59e0b;
  --accent-111: #a78bfa;
  --bg: #383838;
  --scene-bg: #262626;
  --surface: rgba(20, 21, 22, 0.95);
  --surface-hover: rgba(255, 255, 255, 0.06);
  --surface-border: rgba(255, 255, 255, 0.06);
  --text: #e0e4ec;
  --text-dim: #6b7280;
  --text-bright: #ffffff;
  --edge-color: #3a3f4a;
  --face-bg-mix: 60;
  --face-text-alpha: 1.0;
}

body[data-theme="light"] {
  --accent-100: #19cc9c;
  --accent-110: #f5490b;
  --accent-111: #761aff;
  --bg: #e8e8e8;
  --scene-bg: #d4d4d4;
  --surface: rgba(255, 255, 255, 0.92);
  --surface-hover: rgba(0, 0, 0, 0.04);
  --surface-border: rgba(0, 0, 0, 0.08);
  --text: #1f2937;
  --text-dim: #6b7280;
  --text-bright: #111827;
  --edge-color: #9ca3af;
  --face-bg-mix: 210;
  --face-text-alpha: 0.9;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  overflow: hidden;
  height: 100vh;
  width: 100vw;
  display: flex;
}

#canvas-container { flex: 1; position: relative; }
canvas { display: block; }

#toolbar {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 10;
  display: flex;
  gap: 6px;
}

#toolbar button {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--surface-border);
  background: var(--surface);
  color: var(--text-dim);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, color 0.15s;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

#toolbar button:hover {
  background: var(--surface-hover);
  color: var(--text-bright);
}

#btn-theme { font-size: 15px; }

#side-panel {
  width: 300px;
  height: 100%;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border-left: 1px solid var(--surface-border);
  overflow: hidden;
  flex-shrink: 0;
}

#panel-header { padding: 18px 18px 14px; }
#panel-header h1 {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--text-bright);
}
#panel-header .subtitle { font-size: 11px; color: var(--text-dim); margin-top: 3px; }

.hud-label {
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  margin-bottom: 8px;
  text-transform: uppercase;
}

#current-face {
  margin: 0 12px;
  padding: 14px 16px;
  background: var(--surface-hover);
  border: 1px solid var(--surface-border);
  border-radius: 10px;
}

.miller-big {
  font-family: var(--mono);
  font-size: 30px;
  font-weight: 300;
  color: var(--text-bright);
  letter-spacing: 0.04em;
  line-height: 1;
}

.family-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  padding: 3px 8px;
  border-radius: 4px;
  letter-spacing: 0.05em;
}
.family-100 { background: rgba(94,234,212,.12); color: var(--accent-100); border: 1px solid rgba(94,234,212,.2); }
.family-110 { background: rgba(245,158,11,.12); color: var(--accent-110); border: 1px solid rgba(245,158,11,.2); }
.family-111 { background: rgba(167,139,250,.12); color: var(--accent-111); border: 1px solid rgba(167,139,250,.2); }

#angle-table {
  margin: 10px 12px 0;
  padding: 10px 0;
  background: var(--surface-hover);
  border: 1px solid var(--surface-border);
  border-radius: 10px;
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
}
#angle-table .hud-label { padding: 0 14px; margin-bottom: 6px; }

#angle-list {
  flex: 1;
  overflow-y: auto;
  padding: 0 5px;
  scrollbar-width: thin;
  scrollbar-color: rgba(128,128,128,0.2) transparent;
}

.angle-row {
  display: flex;
  align-items: center;
  padding: 8px 10px;
  border-radius: 6px;
  font-family: var(--mono);
  font-size: 13px;
  cursor: pointer;
  user-select: none;
  transition: background 0.12s;
}
.angle-row:hover { background: var(--surface-hover); }
.angle-row:hover .idx { color: var(--text-bright); }
.angle-row:hover .dot { box-shadow: 0 0 6px currentColor; }

.angle-row .dot {
  width: 7px; height: 7px; border-radius: 50%;
  margin-right: 10px; flex-shrink: 0;
}
.dot-100 { background: var(--accent-100); color: var(--accent-100); }
.dot-110 { background: var(--accent-110); color: var(--accent-110); }
.dot-111 { background: var(--accent-111); color: var(--accent-111); }

.angle-row .idx { color: var(--text); flex: 1; transition: color 0.12s; }
.angle-row .deg { color: var(--text-dim); font-size: 12px; text-align: right; min-width: 52px; transition: color 0.12s; }
.angle-row:hover .deg { color: var(--text-bright); }

/* ── Footer: legend + reset ── */
#panel-footer {
  padding: 10px 14px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

#legend { display: flex; gap: 12px; }
.legend-item { display: flex; align-items: center; gap: 5px; font-size: 10px; color: var(--text-dim); }
.legend-item span:first-child { width: 8px; height: 8px; border-radius: 2px; display: inline-block; }
.legend-item .fam { font-family: var(--mono); }
.swatch-100 { background: var(--accent-100); }
.swatch-110 { background: var(--accent-110); }
.swatch-111 { background: var(--accent-111); }

#reset-btn {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  background: var(--surface-hover);
  border: 1px solid var(--surface-border);
  border-radius: 6px;
  padding: 5px 10px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  flex-shrink: 0;
}
#reset-btn:hover {
  color: var(--text-bright);
}

#controls-hint {
  position: fixed;
  bottom: 14px;
  left: calc(50% - 150px);
  transform: translateX(-50%);
  z-index: 10;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-dim);
  background: var(--surface);
  border: 1px solid var(--surface-border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 6px 14px;
  border-radius: 7px;
  pointer-events: none;
}
#controls-hint span { color: var(--text); font-weight: 500; }

#version-text {
  position: fixed;
  bottom: 14px;
  left: calc(70px);
  transform: translateX(-50%);
  z-index: 10;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-dim);
  pointer-events: none;
}

#angle-list::-webkit-scrollbar { width: 4px; }
#angle-list::-webkit-scrollbar-track { background: transparent; }
#angle-list::-webkit-scrollbar-thumb { background: rgba(128,128,128,0.2); border-radius: 2px; }