/* ==========================================================================
   ZUHRIS PHOTOGRAPHY LAB — CAMERA & SIMULATOR STYLES
   Camera Body, Viewfinder, Dials, Sliders, Exposure Meter & Viewfinder OSD
   ========================================================================== */

/* Main Simulator Container */
.simulator-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 1.5rem;
  align-items: start;
}

@media (min-width: 1200px) {
  .simulator-layout {
    grid-template-columns: 1fr 420px;
    gap: 2rem;
  }
}

/* ==========================================================================
   CAMERA TOP BAR (Scene & Mode Bar)
   ========================================================================== */
.camera-top-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 0.75rem 1rem;
  margin-bottom: 1.25rem;
  position: relative;
  z-index: 100;
}

.scene-select-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  position: relative;
  z-index: 110;
}

/* Toolbar Dropdown Popovers for Scene & Light */
.toolbar-dropdown-wrapper {
  position: relative;
  z-index: 120;
}

.toolbar-dropdown-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-medium);
  color: #ffffff;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.toolbar-dropdown-trigger:hover {
  border-color: var(--accent-amber);
  background: rgba(245, 158, 11, 0.12);
  color: #ffffff;
}

.dropdown-caret {
  font-size: 0.7rem;
  color: var(--accent-amber);
  transition: transform var(--transition-fast);
  margin-left: 0.25rem;
}

.toolbar-dropdown-wrapper.open .dropdown-caret {
  transform: rotate(180deg);
}

.toolbar-dropdown-panel {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 280px;
  max-height: min(60vh, 360px);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  touch-action: pan-y;
  background: rgba(15, 23, 42, 0.98);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: 0.65rem;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.9), 0 0 15px rgba(245, 158, 11, 0.2);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 150;
  box-sizing: border-box;
}

.toolbar-dropdown-wrapper.open .toolbar-dropdown-panel {
  display: block;
  animation: dropdownPopIn 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes dropdownPopIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

.dropdown-panel-header {
  font-size: 0.7rem;
  font-weight: 800;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.45rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--border-subtle);
}

.dropdown-options-grid {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  max-height: none;
  overflow: visible;
  touch-action: pan-y;
}

.toolbar-dropdown-panel::-webkit-scrollbar,
.dropdown-options-grid::-webkit-scrollbar {
  width: 5px;
}

.toolbar-dropdown-panel::-webkit-scrollbar-track,
.dropdown-options-grid::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.25);
  border-radius: 4px;
}

.toolbar-dropdown-panel::-webkit-scrollbar-thumb,
.dropdown-options-grid::-webkit-scrollbar-thumb {
  background: rgba(245, 158, 11, 0.4);
  border-radius: 4px;
}

.toolbar-dropdown-panel::-webkit-scrollbar-thumb:hover,
.dropdown-options-grid::-webkit-scrollbar-thumb:hover {
  background: var(--accent-amber);
}

.dropdown-option-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.15rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid transparent;
  color: #cbd5e1;
  cursor: pointer;
  text-align: left;
  transition: all var(--transition-fast);
  touch-action: pan-y;
  box-sizing: border-box;
  min-height: 44px;
}

.dropdown-option-btn:hover {
  background: rgba(245, 158, 11, 0.12);
  border-color: rgba(245, 158, 11, 0.4);
  color: #ffffff;
}

.dropdown-option-btn.active {
  background: rgba(245, 158, 11, 0.22);
  border-color: var(--accent-amber);
  color: var(--accent-amber);
}

.dropdown-option-btn .opt-name {
  font-weight: 700;
  font-size: 0.82rem;
}

.dropdown-option-btn .opt-cat {
  font-size: 0.68rem;
  color: #94a3b8;
}

/* ==========================================================================
   SEGMENTED MODE DIAL (M, A, S, AUTO)
   ========================================================================== */
.mode-switch-group {
  display: flex;
  align-items: center;
  background: #090d16;
  padding: 3px;
  border-radius: 8px;
  border: 1px solid var(--border-medium);
  box-sizing: border-box;
}

.mode-btn {
  min-width: 42px;
  padding: 0.35rem 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 800;
  border-radius: 5px;
  border: none;
  background: transparent;
  color: #94a3b8;
  cursor: pointer;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.mode-btn:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
}

.mode-btn.active {
  background: var(--accent-amber) !important;
  color: #000000 !important;
  font-weight: 900 !important;
  box-shadow: 0 0 10px rgba(245, 158, 11, 0.4);
}

/* ==========================================================================
   VIEWFINDER & LIVE PHOTO PREVIEW
   ========================================================================== */
.viewfinder-wrapper {
  position: relative;
  background: #000000;
  border: 2px solid #232a3b;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.8), inset 0 0 30px rgba(0,0,0,0.9);
}

.viewfinder-aspect-box {
  position: relative;
  width: 100%;
  padding-top: 66.66%; /* 3:2 standard DSLR/Mirrorless aspect ratio */
  background: #05070a;
}

.simulation-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

/* Shutter Curtain Animation Layer */
.shutter-curtain {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #000000;
  opacity: 0;
  pointer-events: none;
  z-index: 50;
  transition: opacity 0.05s ease;
}

.shutter-curtain.flash {
  opacity: 1;
}

/* Viewfinder On-Screen Display (OSD) Overlay */
.viewfinder-osd {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 20;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1rem;
}

/* 3x3 Grid Overlay (Rule of Thirds) */
.viewfinder-grid {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.viewfinder-grid.visible {
  opacity: 0.35;
}

.viewfinder-grid::before, .viewfinder-grid::after {
  content: '';
  position: absolute;
  border-color: rgba(255, 255, 255, 0.6);
  border-style: dashed;
}

.viewfinder-grid::before {
  top: 0;
  bottom: 0;
  left: 33.33%;
  right: 33.33%;
  border-width: 0 1px 0 1px;
}

.viewfinder-grid::after {
  left: 0;
  right: 0;
  top: 33.33%;
  bottom: 33.33%;
  border-width: 1px 0 1px 0;
}

/* Focus Box & Level Gauge */
.focus-bracket {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 70px;
  height: 70px;
  border: 1.5px solid rgba(255, 255, 255, 0.4);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--transition-fast);
}

.focus-bracket::after {
  content: '';
  width: 6px;
  height: 6px;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 50%;
}

.focus-bracket.focused {
  border-color: #10b981;
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.5);
}

.focus-bracket.focused::after {
  background: #10b981;
}

/* OSD Top & Bottom Headers */
.osd-top, .osd-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: rgba(255, 255, 255, 0.9);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-shadow: 0 1px 4px rgba(0,0,0,0.9);
}

.osd-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.osd-tag.highlight {
  color: var(--accent-amber);
  border-color: var(--accent-amber);
}

/* ==========================================================================
   REAL-TIME EXPOSURE METER
   ========================================================================== */
.meter-container {
  background: rgba(10, 12, 16, 0.95);
  border-top: 1px solid var(--border-subtle);
  padding: 0.75rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.meter-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.meter-title {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  font-family: var(--font-mono);
  text-transform: uppercase;
}

.meter-status-badge {
  font-size: 0.75rem;
  font-weight: 800;
  font-family: var(--font-mono);
  padding: 0.15rem 0.6rem;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.meter-status-badge.underexposed {
  background: rgba(59, 130, 246, 0.2);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.4);
}

.meter-status-badge.correct {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.4);
}

.meter-status-badge.overexposed {
  background: rgba(244, 63, 94, 0.2);
  color: #fb7185;
  border: 1px solid rgba(244, 63, 94, 0.4);
}

.meter-scale-wrapper {
  position: relative;
  width: 100%;
  height: 32px;
  display: flex;
  align-items: center;
}

.meter-ticks {
  width: 100%;
  display: flex;
  justify-content: space-between;
  position: relative;
}

.meter-tick {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  position: relative;
}

.meter-tick .tick-mark {
  width: 1px;
  height: 8px;
  background: #64748b;
}

.meter-tick.major .tick-mark {
  width: 2px;
  height: 14px;
  background: #e2e8f0;
}

.meter-tick.center .tick-mark {
  width: 2px;
  height: 16px;
  background: var(--accent-amber);
}

.meter-tick .tick-val {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
}

.meter-needle {
  position: absolute;
  top: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 10px;
  height: 24px;
  transition: left 0.15s cubic-bezier(0.2, 0.8, 0.2, 1);
  pointer-events: none;
}

.meter-needle::before {
  content: '';
  display: block;
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-bottom: 7px solid var(--accent-amber);
  margin: 0 auto;
}

.meter-needle::after {
  content: '';
  display: block;
  width: 2px;
  height: 15px;
  background: var(--accent-amber);
  margin: 0 auto;
  box-shadow: 0 0 6px var(--accent-amber);
}

/* ==========================================================================
   4 LIVE VISUAL METRIC BARS (Below Photo)
   ========================================================================== */
.visual-indicators-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin-top: 1rem;
}

.indicator-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
}

.indicator-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.35rem;
}

.indicator-name {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

.indicator-readout {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: #ffffff;
}

.progress-bar-track {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.progress-bar-fill {
  height: 100%;
  background: var(--accent-amber);
  border-radius: var(--radius-full);
  transition: width 0.2s ease, background-color 0.2s ease;
}

.progress-bar-fill.fill-light { background: linear-gradient(90deg, #3b82f6, #10b981, #f59e0b, #f43f5e); }
.progress-bar-fill.fill-motion { background: linear-gradient(90deg, #10b981, #f59e0b, #06b6d4); }
.progress-bar-fill.fill-noise { background: linear-gradient(90deg, #10b981, #f59e0b, #f43f5e); }
.progress-bar-fill.fill-dof { background: linear-gradient(90deg, #8b5cf6, #06b6d4, #10b981); }

.indicator-desc {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ==========================================================================
   CAMERA CONTROL PANEL (Right Column)
   ========================================================================== */
.control-panel {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  box-shadow: var(--shadow-md);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.75rem;
}

.panel-title {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.learning-mode-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-cyan);
  cursor: pointer;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.3);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.learning-mode-toggle.active {
  background: var(--accent-cyan);
  color: var(--text-inverse);
}

/* Individual Parameter Section (ISO, Aperture, Shutter) */
.param-control-group {
  background: rgba(10, 12, 16, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem;
  transition: border-color var(--transition-fast);
}

.param-control-group:hover {
  border-color: var(--border-medium);
}

.param-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.param-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--text-primary);
}

.param-value-box {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 900;
  color: var(--accent-amber);
  background: rgba(0, 0, 0, 0.5);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  min-width: 75px;
  text-align: center;
}

/* Step Range Sliders */
.param-slider-wrapper {
  position: relative;
  margin: 0.75rem 0 0.5rem;
}

.param-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  background: #1e293b;
  border-radius: var(--radius-full);
  outline: none;
  cursor: pointer;
}

.param-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 26px;
  height: 26px;
  background: var(--accent-amber);
  border: 3px solid #ffffff;
  border-radius: 50%;
  cursor: grab;
  box-shadow: 0 0 12px rgba(245, 158, 11, 0.6);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.param-slider::-webkit-slider-thumb:active {
  cursor: grabbing;
  transform: scale(1.25);
  box-shadow: 0 0 18px rgba(245, 158, 11, 0.9);
}

.param-slider::-moz-range-thumb {
  width: 26px;
  height: 26px;
  background: var(--accent-amber);
  border: 3px solid #ffffff;
  border-radius: 50%;
  cursor: grab;
  box-shadow: 0 0 12px rgba(245, 158, 11, 0.6);
}

.param-ticks-row {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.param-hint {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
  line-height: 1.35;
}

/* Aperture Blades Iris Graphic in Controls */
.aperture-visual-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 0.75rem;
  background: rgba(0, 0, 0, 0.35);
  padding: 0.5rem;
  border-radius: var(--radius-sm);
}

.iris-svg-box {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
}

.iris-desc {
  font-size: 0.75rem;
  color: var(--accent-amber-light);
  line-height: 1.3;
}

/* Shutter Trigger Button & Actions */
.shutter-action-panel {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.btn-shutter-trigger {
  width: 100%;
  background: linear-gradient(135deg, #f43f5e, #be123c);
  color: #ffffff;
  border: 3px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: 1rem;
  font-size: 1.1rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(244, 63, 94, 0.4);
  transition: all var(--transition-fast);
}

.btn-shutter-trigger:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(244, 63, 94, 0.6);
  background: linear-gradient(135deg, #fb7185, #e11d48);
}

.btn-shutter-trigger:active {
  transform: translateY(1px) scale(0.98);
}

.btn-submit-task-trigger {
  width: 100%;
  background: linear-gradient(135deg, #10b981, #059669);
  color: #ffffff;
  border: 2px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-lg);
  padding: 0.85rem 1rem;
  font-size: 1.05rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(16, 185, 129, 0.35);
  transition: all var(--transition-fast);
  letter-spacing: 0.02em;
}

.btn-submit-task-trigger:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(16, 185, 129, 0.55);
  background: linear-gradient(135deg, #34d399, #10b981);
}

.btn-submit-task-trigger:active {
  transform: translateY(1px) scale(0.98);
}

.btn-submit-task-trigger:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.quick-tools-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
}

.btn-tool {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-secondary);
  cursor: pointer;
  text-align: center;
  transition: all var(--transition-fast);
}

.btn-tool:hover {
  color: var(--text-primary);
  border-color: var(--border-medium);
  background: rgba(255, 255, 255, 0.05);
}

/* Auto Exposure Helper Bar */
.auto-exposure-helper {
  background: rgba(6, 182, 212, 0.08);
  border: 1px solid rgba(6, 182, 212, 0.25);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  font-size: 0.8rem;
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}

.helper-icon {
  color: var(--accent-cyan);
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.helper-content {
  color: #e2e8f0;
  line-height: 1.4;
}

.helper-recommendation {
  color: var(--accent-amber);
  font-weight: 700;
  margin-top: 0.25rem;
}