/* ==========================================================================
   DermLite DL5 Plus - Interactive Clinical Optical & Polarization Simulator
   ========================================================================== */

.simulator-section {
  background: radial-gradient(circle at 50% 20%, #1a1c22 0%, #0c0d10 100%);
  color: #ffffff;
  padding: 90px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  overflow: hidden;
}

.simulator-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 50px;
}

.simulator-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--brand-gold);
  margin-bottom: 12px;
}

.simulator-title {
  color: #ffffff;
  font-size: clamp(2rem, 3.2vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 16px;
}

.simulator-subtitle {
  color: var(--text-light-secondary);
  font-size: 1.1rem;
}

/* Simulator Grid */
.simulator-workspace {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  background: rgba(25, 27, 33, 0.7);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
}

/* Lens Display Viewport */
.lens-viewport-container {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lens-bezel {
  position: relative;
  width: 360px;
  height: 360px;
  max-width: 100%;
  border-radius: 50%;
  padding: 12px;
  background: linear-gradient(135deg, #3a3f47 0%, #15171a 50%, #2f343d 100%);
  box-shadow: 
    0 0 0 2px rgba(255, 255, 255, 0.12),
    0 20px 40px rgba(0, 0, 0, 0.8),
    inset 0 2px 4px rgba(255, 255, 255, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: box-shadow var(--transition-normal);
}

.lens-bezel.uv-active {
  box-shadow: 
    0 0 30px rgba(139, 92, 246, 0.5),
    0 20px 40px rgba(0, 0, 0, 0.8),
    inset 0 0 15px rgba(139, 92, 246, 0.4);
}

.lens-glass {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  overflow: hidden;
  background: #000000;
  border: 2px solid rgba(0, 0, 0, 0.8);
}

.clinical-sample-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.4s ease, filter 0.4s ease, transform 0.4s ease;
}

/* Reticle Overlay */
.reticle-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: 50%;
  background: radial-gradient(circle, transparent 72%, rgba(0, 0, 0, 0.4) 100%);
}

.reticle-marks {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.75rem;
  font-family: monospace;
  letter-spacing: 2px;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.9);
  padding: 2px 8px;
  background: rgba(0, 0, 0, 0.4);
  border-radius: var(--radius-xs);
}

/* Indicator LED Status Bar */
.indicator-bar-visual {
  margin-top: 24px;
  width: 280px;
  max-width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.indicator-bar-img {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.6));
}

/* Controls Panel */
.simulator-controls {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.mode-selector-group h4 {
  color: #ffffff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.mode-btn-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.sim-mode-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1.5px solid rgba(255, 255, 255, 0.14);
  color: var(--text-light-secondary);
  padding: 12px 8px;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 700;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  transition: all var(--transition-fast);
}

.sim-mode-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.3);
}

.sim-mode-btn.active {
  background: var(--brand-gold);
  border-color: var(--brand-gold);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(204, 153, 102, 0.4);
}

.sim-mode-btn.active.uv-mode {
  background: var(--uv-fluorescence);
  border-color: var(--uv-fluorescence);
  box-shadow: 0 4px 18px rgba(139, 92, 246, 0.5);
}

.mode-icon {
  font-size: 1.1rem;
}

/* PigmentBoost 9-Level Slider */
.slider-group {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 20px;
}

.slider-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.slider-label-row span {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-light);
}

.slider-level-value {
  font-weight: 800;
  color: var(--brand-gold);
  background: rgba(204, 153, 102, 0.15);
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
}

.pigment-slider {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: linear-gradient(to right, #4a90e2, #f5a623, #d0021b);
  outline: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.pigment-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #ffffff;
  border: 3px solid var(--brand-gold);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.pigment-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

/* Clinical Diagnosis Info Box */
.clinical-info-card {
  background: rgba(255, 255, 255, 0.05);
  border-left: 3px solid var(--brand-gold);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 16px 20px;
}

.clinical-info-card.uv-accent {
  border-left-color: var(--uv-fluorescence);
}

.clinical-info-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.clinical-info-desc {
  font-size: 0.85rem;
  color: var(--text-light-muted);
  line-height: 1.5;
}

/* Responsive Simulator */
@media (max-width: 991px) {
  .simulator-workspace {
    grid-template-columns: 1fr;
    gap: 36px;
    padding: 24px;
  }
  .lens-bezel {
    width: 290px;
    height: 290px;
  }
}