/* Web Audio Generator - Stripe風UI */

:root {
  --wag-accent: #4f8cff;
  --wag-radius: 12px;
}

body {
  font-feature-settings: "tnum";
  letter-spacing: 0.01em;
}

.card {
  border-radius: var(--wag-radius);
  border-width: 1px;
}

[data-bs-theme="dark"] body { background: #0b0f17; }
[data-bs-theme="dark"] .card { background: #121826; border-color: #1e2636; }
[data-bs-theme="dark"] .navbar { background: #0b0f17 !important; }
[data-bs-theme="light"] body { background: #f6f8fb; }
[data-bs-theme="light"] .card { background: #ffffff; }

.btn-primary {
  background: var(--wag-accent);
  border-color: var(--wag-accent);
}
.btn-primary:hover { filter: brightness(1.08); }
.btn-outline-primary { color: var(--wag-accent); border-color: var(--wag-accent); }
.btn-outline-primary:hover { background: var(--wag-accent); border-color: var(--wag-accent); }
.nav-pills .nav-link.active { background: var(--wag-accent); }
.form-range::-webkit-slider-thumb { background: var(--wag-accent); }
.form-range::-moz-range-thumb { background: var(--wag-accent); }
.form-check-input:checked { background-color: var(--wag-accent); border-color: var(--wag-accent); }
.progress-bar { background: var(--wag-accent); }

.brand-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--wag-accent);
  box-shadow: 0 0 10px var(--wag-accent);
  display: inline-block;
}

/* 周波数表示 */
.freq-display .freq-value {
  font-size: clamp(2rem, 6vw, 3.2rem);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.freq-display .freq-unit {
  font-size: 1.1rem;
  color: var(--bs-secondary-color);
  margin-left: 0.4rem;
}

/* 可視化 */
.viz-canvas {
  width: 100%;
  height: 180px;
  border-radius: 8px;
  display: block;
}
.viz-label {
  font-size: 0.78rem;
  color: var(--bs-secondary-color);
  margin-bottom: 0.35rem;
}

/* VUメーター */
.vu-wrap {
  position: relative;
  height: 14px;
  border-radius: 7px;
  background: var(--bs-tertiary-bg);
  overflow: hidden;
}
.vu-bar {
  height: 100%;
  width: 0%;
  border-radius: 7px;
  background: linear-gradient(90deg, #2ecf7f, #f5c443 75%, #ef5350 95%);
  transition: width 60ms linear;
}
.vu-bar.vu-hot { box-shadow: 0 0 8px #ef5350 inset; }
.vu-peak {
  position: absolute;
  top: 0; bottom: 0;
  width: 2px;
  background: var(--bs-body-color);
  opacity: 0.7;
  left: 0;
  transition: left 120ms linear;
}

/* リスト */
.preset-list { max-height: 320px; overflow-y: auto; }
.preset-item {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--bs-border-color);
  border-radius: 8px;
}

.ai-result {
  border: 1px solid var(--bs-border-color);
  border-radius: 8px;
  padding: 0.75rem;
  max-height: 320px;
  overflow-y: auto;
}
.ai-suggestion { margin-bottom: 0.5rem; }

.shortcut-list > div { margin-bottom: 0.25rem; }
kbd {
  background: var(--bs-tertiary-bg);
  color: var(--bs-body-color);
  border: 1px solid var(--bs-border-color);
  border-radius: 4px;
  padding: 0.05rem 0.4rem;
}

.admin-menu .list-group-item { background: transparent; border: 0; border-radius: 8px; }
.admin-menu .list-group-item.active { background: var(--wag-accent); border-color: var(--wag-accent); }

@media (max-width: 576px) {
  .freq-display .freq-value { font-size: 1.8rem; }
  main { padding-left: 0.75rem; padding-right: 0.75rem; }
}

@media (prefers-reduced-motion: reduce) {
  .vu-bar, .vu-peak { transition: none; }
}

/* ===== ロータリーノブ ===== */
.knob {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  cursor: ns-resize;
  user-select: none;
  touch-action: none;
  outline: none;
}
.knob:focus-visible .knob-body-edge { stroke: var(--wag-accent); stroke-width: 2; }
.knob-svg { display: block; }
.knob-ticks line { stroke: var(--bs-border-color); stroke-width: 1.2; }
.knob-track {
  fill: none;
  stroke: var(--bs-tertiary-bg);
  stroke-width: 4;
  stroke-linecap: round;
}
.knob-value-arc {
  fill: none;
  stroke: var(--wag-accent);
  stroke-width: 4;
  stroke-linecap: round;
  filter: drop-shadow(0 0 3px rgba(79, 140, 255, 0.55));
}
.knob-body {
  fill: url(#wagKnobGrad);
}
[data-bs-theme="dark"] .knob-body { fill: #1b2334; }
[data-bs-theme="light"] .knob-body { fill: #e9edf4; }
.knob-body-edge {
  fill: none;
  stroke: var(--bs-border-color);
  stroke-width: 1;
}
[data-bs-theme="dark"] .knob-body {
  filter: drop-shadow(0 2px 3px rgba(0,0,0,0.5));
}
[data-bs-theme="light"] .knob-body {
  filter: drop-shadow(0 2px 3px rgba(0,0,0,0.18));
}
.knob-pointer {
  stroke: var(--wag-accent);
  stroke-width: 3;
  stroke-linecap: round;
}
.knob-active .knob-body-edge { stroke: var(--wag-accent); }
.knob-readout {
  font-size: 0.72rem;
  font-variant-numeric: tabular-nums;
  color: var(--bs-body-color);
  line-height: 1.1;
}
.knob-label {
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--bs-secondary-color);
  line-height: 1.1;
}
.knob-hidden-input {
  position: absolute !important;
  width: 1px; height: 1px;
  opacity: 0;
  pointer-events: none;
  margin: 0; padding: 0;
}
.knob-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 1rem;
}

/* デバッグバー */
.wag-debugbar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 2000;
  font-size: 0.72rem;
  font-family: ui-monospace, monospace;
  padding: 3px 12px;
  background: #7a5b00;
  color: #ffe9a8;
  border-top: 1px solid #a37c00;
}
[data-bs-theme="light"] .wag-debugbar { background: #fff3cd; color: #664d03; border-top-color: #ffe69c; }