/* instrument-room.css */

.ir-intro {
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-divider);
  padding-block: clamp(var(--space-12), 7vw, var(--space-20)) var(--space-10);
  text-align: center;
}
.ir-intro .hero__eyebrow {
  justify-content: center;
  color: var(--color-primary);
}
.ir-intro h1 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  margin-bottom: var(--space-5);
}
.ir-intro__text {
  max-width: 62ch;
  margin-inline: auto;
  font-size: var(--text-lg);
  color: var(--color-text-muted);
}

.wrap--wide { max-width: 1100px; }

.ir-stage-section {
  padding-block: clamp(var(--space-10), 6vw, var(--space-16));
  background:
    radial-gradient(ellipse at 30% 0%, color-mix(in oklab, var(--color-warning) 10%, transparent), transparent 60%),
    var(--color-bg);
}

.ir-workbench {
  background: #171310;
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-6), 4vw, var(--space-10));
  box-shadow: var(--shadow-lg);
  background-image: url('./assets/images/workbench-bg.jpg');
  background-size: cover;
  background-position: center 30%;
  position: relative;
}
.ir-workbench::before {
  content: '';
  position: absolute;
  inset: 0;
  background: color-mix(in oklab, #0c0a08 55%, transparent);
  border-radius: var(--radius-xl);
}

.ir-stage {
  position: relative;
  z-index: 1;
  max-width: 780px;
  margin: 0 auto;
  aspect-ratio: 1200 / 799;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.55);
  touch-action: none;
  background: #0c0a08;
}
.ir-stage__base {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  user-select: none;
  -webkit-user-drag: none;
  pointer-events: none;
}

.ir-stage__overlay-layer {
  position: absolute;
  inset: 0;
  cursor: grab;
  touch-action: none;
  outline: none;
}
.ir-stage__overlay-layer:active { cursor: grabbing; }
.ir-stage__overlay-layer:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
}
.ir-stage__overlay-layer img {
  position: absolute;
  width: 87%;
  left: 0;
  top: 0;
  transform-origin: 50% 50%;
  will-change: transform;
  filter: drop-shadow(0 6px 14px rgba(0,0,0,0.35));
  user-select: none;
  -webkit-user-drag: none;
  pointer-events: none;
}

.ir-stage.is-aligned .ir-stage__overlay-layer img {
  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.25)) drop-shadow(0 0 10px rgba(230, 210, 160, 0.25));
}

/* Reveal text — restrained, "handwritten beneath" feel */
.ir-reveal {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 6%;
  text-align: center;
  z-index: 2;
  pointer-events: none;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 900ms cubic-bezier(0.16, 1, 0.3, 1), transform 900ms cubic-bezier(0.16, 1, 0.3, 1);
}
.ir-stage.is-aligned .ir-reveal {
  opacity: 1;
  transform: translateY(0);
}
.ir-reveal__line {
  font-family: 'EB Garamond', serif;
  font-style: italic;
  font-size: clamp(0.85rem, 2vw, 1.15rem);
  color: #f4ecd8;
  text-shadow: 0 1px 3px rgba(0,0,0,0.8), 0 0 18px rgba(0,0,0,0.6);
  letter-spacing: 0.02em;
  margin: 0;
  line-height: 1.5;
}

.ir-controls {
  position: relative;
  z-index: 1;
  margin-top: var(--space-6);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}
.ir-note {
  font-family: 'EB Garamond', serif;
  font-style: italic;
  color: #d8cdb4;
  font-size: var(--text-base);
  text-align: center;
}
.ir-note span { color: #a89a76; font-style: normal; font-size: var(--text-sm); }
.ir-controls__row {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}
.ir-controls__hint {
  font-size: var(--text-xs);
  color: #8f8672;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-family: var(--font-mono);
}
.ir-rotate-btn {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  background: color-mix(in oklab, #f4f2ec 12%, transparent);
  border: 1px solid color-mix(in oklab, #f4f2ec 25%, transparent);
  color: #f4f2ec;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ir-rotate-btn:hover { background: color-mix(in oklab, #f4f2ec 22%, transparent); }
.ir-rotate-btn:active { transform: scale(0.94); }
.ir-opacity-control {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: #cfc3a8;
  font: .72rem var(--font-mono);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.ir-opacity-control input { inline-size: min(220px, 52vw); accent-color: #d9b85d; }

#ir-reset {
  color: #d8cdb4;
  border-color: color-mix(in oklab, #f4f2ec 25%, transparent);
}
#ir-reset:hover { color: #f4f2ec; border-color: #f4f2ec; }

/* ---- context section ---- */
.ir-context {
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
}
.ir-context h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  margin-bottom: var(--space-5);
}
.ir-context p {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  margin-bottom: var(--space-4);
}
.ir-discrepancy {
  margin-top: var(--space-10);
  padding: var(--space-6);
  border: 1px solid var(--color-warning);
  background: color-mix(in oklab, var(--color-warning-highlight) 42%, var(--color-surface));
}
.ir-discrepancy__label {
  color: var(--color-warning) !important;
  font: .7rem var(--font-mono);
  letter-spacing: .11em;
  text-transform: uppercase;
}
.ir-discrepancy h3 { margin-bottom: var(--space-3); font: 500 var(--text-lg) var(--font-display); }
.ir-discrepancy__status { min-height: 1.4em; margin-top: var(--space-4); font-size: var(--text-sm) !important; }

/* ---- associated material ---- */
.ir-associated {
  margin-top: var(--space-10);
  padding-top: var(--space-8);
  border-top: 1px dashed var(--color-border);
}
.ir-associated__toggle {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}
.ir-associated__toggle:hover { color: var(--color-text-muted); }
.ir-associated__body {
  margin-top: var(--space-5);
}
.ir-associated__body label {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-bottom: var(--space-2);
}
.ir-associated__row {
  display: flex;
  gap: var(--space-3);
  max-width: 320px;
}
#ir-code-input {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
}
.ir-associated__status {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  min-height: 1.4em;
}
.ir-associated__status.is-error { color: var(--color-error); }
.ir-associated__status.is-success { color: var(--color-success); }
.ir-associated__passage {
  margin-top: var(--space-6);
  padding: var(--space-6) var(--space-8);
  background: var(--paper-dossier);
  border-radius: var(--radius-md);
  font-family: var(--font-period);
  font-style: italic;
  font-size: var(--text-base);
  line-height: 1.75;
  color: #2c2110;
  box-shadow: var(--shadow-md);
}
.ir-associated__passage p { margin-bottom: var(--space-3); max-width: 62ch; }
.ir-associated__passage p:last-child { margin-bottom: 0; text-align: right; }
.ir-associated__passage a { color: #0a6659; font-family: var(--font-mono); font-size: var(--text-xs); font-style: normal; letter-spacing: 0.04em; }
.ir-associated__passage a:hover { color: #07483f; }

@media (max-width: 640px) {
  .ir-reveal__line { font-size: 0.82rem; }
}
@media (prefers-reduced-motion: reduce) {
  .ir-reveal { transition: none; }
}