/* ═══════════════════════════════════════════════════════════════════
   AURALIS · VolumeCalibration screen (SAFETY-2)
   ═══════════════════════════════════════════════════════════════════ */

.vc-screen {
  max-width: 480px;
  margin: 0 auto;
  padding: 24px 16px 80px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.vc-title {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 0;
  text-align: center;
}

.vc-section {
  padding: 16px;
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
[data-theme="light"] .vc-section, :root:not([data-theme]) .vc-section {
  background: var(--surface);
  box-shadow: var(--shadow-card-sm);
}
[data-theme="dark"] .vc-section {
  background: hsl(220 25% 6% / 0.5);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-color);
}

.vc-explain { gap: 4px; }
.vc-line {
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--text);
  margin: 0;
}
.vc-spacer { height: 8px; }

/* ═══ TEST BUTTON ═══ */
.vc-test {
  align-items: stretch;
}
.vc-test-btn {
  min-height: 52px;
  padding: 14px 20px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--text);
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease), background var(--dur) var(--ease);
}
[data-theme="light"] .vc-test-btn, :root:not([data-theme]) .vc-test-btn {
  background: hsl(var(--hue3) 55% 96%);
}
[data-theme="dark"] .vc-test-btn {
  background: hsl(var(--hue3) 30% 14% / 0.6);
}
.vc-test-btn:active { transform: scale(0.98); }

/* ═══ SLIDER ═══ */
.vc-slider-section {
  gap: 8px;
}
.vc-slider-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}
.vc-slider-label {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  text-transform: uppercase;
}
.vc-slider-value {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 800;
  color: var(--accent);
}

.vc-slider {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 32px;
  background: transparent;
  cursor: pointer;
  touch-action: pan-x;
  pointer-events: auto;
  margin: 0;
}
.vc-slider::-webkit-slider-runnable-track {
  height: 8px;
  border-radius: var(--radius-pill);
  background: var(--border-color);
}
.vc-slider::-moz-range-track {
  height: 8px;
  border-radius: var(--radius-pill);
  background: var(--border-color);
}
.vc-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 24px; height: 24px;
  margin-top: -8px;
  border-radius: 50%;
  background: linear-gradient(135deg, hsl(var(--hue1) 70% 55%), hsl(var(--hue2) 65% 55%));
  cursor: pointer;
  border: 2px solid white;
  box-shadow: 0 2px 6px hsl(var(--hue1) 60% 40% / 0.4);
}
.vc-slider::-moz-range-thumb {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, hsl(var(--hue1) 70% 55%), hsl(var(--hue2) 65% 55%));
  cursor: pointer;
  border: 2px solid white;
  box-shadow: 0 2px 6px hsl(var(--hue1) 60% 40% / 0.4);
}

.vc-slider-hint {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.vc-warning {
  margin-top: 8px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  font-weight: 700;
  line-height: 1.4;
  color: hsl(20 80% 35%);
  border-left: 3px solid hsl(20 80% 55%);
}
[data-theme="light"] .vc-warning, :root:not([data-theme]) .vc-warning {
  background: hsl(20 80% 95%);
}
[data-theme="dark"] .vc-warning {
  background: hsl(20 40% 15% / 0.55);
  color: hsl(20 80% 75%);
}

/* ═══ ACTIONS ═══ */
.vc-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 4px;
}
.vc-btn {
  min-height: 52px;
  padding: 14px 20px;
  border: none;
  border-radius: var(--radius-pill);
  font-family: inherit;
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease);
}
.vc-btn:active { transform: scale(0.98); }
.vc-btn--primary {
  background: linear-gradient(135deg, hsl(var(--hue1) 65% 55%), hsl(var(--hue2) 65% 55%));
  color: white;
  box-shadow: 0 6px 18px hsl(var(--hue1) 60% 50% / 0.35);
}
.vc-btn--ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  font-weight: 600;
}

/* ═══ Code 3 copy (v1.0): subtitle / steps / warn block / disclaimer ═══ */
.vc-subtitle {
  margin: 4px 0 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.4;
}
.vc-section-title {
  margin: 0 0 10px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.vc-steps-list {
  margin: 0;
  padding-left: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 15px;
  line-height: 1.5;
  color: var(--text);
}
.vc-steps-list li::marker {
  color: hsl(var(--hue1) 55% 55%);
  font-weight: 800;
}
.vc-steps-list strong { font-weight: 700; }
.vc-warn-block {
  background: hsl(42 50% 55% / 0.12);
  border-left: 3px solid hsl(42 50% 55% / 0.6);
  padding: 12px 14px;
  border-radius: var(--radius-sm);
}
.vc-warn-block .vc-section-title { color: hsl(42 50% 45%); }
[data-theme="dark"] .vc-warn-block .vc-section-title { color: hsl(42 55% 75%); }
.vc-disclaimer {
  margin: 16px 0 0;
  padding: 10px 14px;
  font-size: 12px;
  font-weight: 500;
  text-align: center;
  color: var(--text-faint);
  line-height: 1.4;
}