@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;600;700&family=Inter:wght@300;400;500;600;700&family=Lora:ital,wght@0,400;0,500;1,400&display=swap');

:root {
  --bg-color: #0e0e11;
  --panel-bg: rgba(22, 22, 28, 0.75);
  --panel-bg-hover: rgba(30, 30, 40, 0.85);
  --panel-border: rgba(201, 168, 76, 0.12);
  --panel-border-focus: rgba(201, 168, 76, 0.4);
  
  --text-primary: #f0ece2;
  --text-secondary: #9e9880;
  --text-muted: #5c5848;
  
  --accent-color: #c9a84c; /* Gold */
  --accent-glow: rgba(201, 168, 76, 0.25);
  --accent-hover: #a07830;
  
  --rim-color: #e07b5a; /* Copper Sanguine */
  --rim-glow: rgba(224, 123, 90, 0.25);
  
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.5);
  --shadow-inner: inset 0 2px 4px 0 rgba(255, 255, 255, 0.05);
  
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-primary);
  overflow: hidden;
  height: 100vh;
  width: 100vw;
}

/* 3D Viewport */
#canvas-container {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
}

canvas {
  display: block;
  outline: none;
}

/* Glassmorphism Workspace Layout */
.app-interface {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10;
  pointer-events: none;
  display: grid;
  grid-template-columns: 350px 1fr 0px; /* Third column is 0px when closed */
  padding: 20px;
  gap: 0px; /* Transition gap to prevent spacing visual glitches */
  transition: grid-template-columns 0.4s cubic-bezier(0.16, 1, 0.3, 1), gap 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Sidebar Panel */
.sidebar {
  grid-column: 1;
  background: var(--panel-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  box-shadow: var(--shadow-lg), var(--shadow-inner);
  display: flex;
  flex-direction: column;
  height: calc(100vh - 40px);
  pointer-events: auto;
  overflow-y: auto;
  transition: transform var(--transition-normal), background-color var(--transition-normal);
  scrollbar-width: thin;
  scrollbar-color: var(--panel-border) transparent;
}

.sidebar:hover {
  background: var(--panel-bg-hover);
}

.sidebar::-webkit-scrollbar {
  width: 6px;
}

.sidebar::-webkit-scrollbar-thumb {
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
}

/* Studio Header */
.studio-header {
  padding: 24px;
  border-bottom: 1px solid var(--panel-border);
}

.studio-header h1 {
  font-family: 'Cinzel', serif;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.05em;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-color) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 8px;
}

.studio-header p {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* Collapsible Section Layout */
.section {
  border-bottom: 1px solid var(--panel-border);
  padding: 16px 24px;
  transition: padding var(--transition-fast);
}

.section-title {
  font-family: 'Cinzel', serif;
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.section-title::after {
  content: '▼';
  font-size: 8px;
  color: var(--text-muted);
  transition: transform var(--transition-normal);
  margin-left: 8px;
  opacity: 0.7;
}

.section.collapsed .section-title::after {
  transform: rotate(-90deg);
}

.section.collapsed > *:not(.section-title) {
  display: none !important;
}

.section.collapsed {
  padding-bottom: 12px;
}

/* Button Grids */
.btn-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.btn-grid.full {
  grid-template-columns: 1fr;
}

button {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 500;
  padding: 10px 14px;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  outline: none;
}

button:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

button.active {
  background: var(--accent-color);
  border-color: var(--accent-color);
  color: #000000;
  font-weight: 600;
  box-shadow: 0 0 12px var(--accent-glow);
}

button.active:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

button.accent {
  background: var(--accent-color);
  color: #000;
  border-color: var(--accent-color);
  font-weight: 600;
}

button.accent:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

/* Control Fields */
.control-group {
  margin-bottom: 12px;
}

.control-group:last-child {
  margin-bottom: 0;
}

.control-label {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.control-val {
  font-family: monospace;
  font-size: 11px;
  color: var(--accent-color);
}

/* Customized Range Sliders */
input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.1);
  outline: none;
  margin: 8px 0;
  transition: background var(--transition-fast);
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--text-primary);
  border: 2px solid var(--bg-color);
  cursor: pointer;
  box-shadow: 0 2px 4px rgba(0,0,0,0.5);
  transition: transform var(--transition-fast), background var(--transition-fast);
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  background: var(--accent-color);
}

input[type="range"]:focus::-webkit-slider-thumb {
  border-color: var(--accent-color);
}

/* Select Elements */
select {
  width: 100%;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 500;
  padding: 10px 14px;
  outline: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  appearance: none;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23f3f4f6' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 16px;
}

select:hover, select:focus {
  border-color: rgba(255, 255, 255, 0.2);
  background-color: rgba(0, 0, 0, 0.5);
}

/* Toggle Switches */
.toggle-group {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.toggle-group:last-child {
  margin-bottom: 0;
}

.toggle-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
}

.switch {
  position: relative;
  display: inline-block;
  width: 40px;
  height: 22px;
  pointer-events: auto;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--panel-border);
  border-radius: 34px;
  transition: var(--transition-normal);
}

.slider:before {
  position: absolute;
  content: "";
  height: 14px;
  width: 14px;
  left: 3px;
  bottom: 3px;
  background-color: var(--text-primary);
  border-radius: 50%;
  transition: var(--transition-normal);
}

input:checked + .slider {
  background-color: var(--accent-color);
  border-color: var(--accent-color);
}

input:checked + .slider:before {
  transform: translateX(18px);
  background-color: #000;
}

/* Floating UI Elements */
.floating-overlay {
  grid-column: 2;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-end;
  height: calc(100vh - 40px);
  pointer-events: none;
}

/* Camera preset ring */
.camera-quick-presets {
  pointer-events: auto;
  display: flex;
  background: var(--panel-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 4px;
  gap: 4px;
  box-shadow: var(--shadow-lg);
}

.camera-quick-presets button {
  padding: 8px 12px;
  font-size: 11px;
  border: none;
  background: transparent;
}

.camera-quick-presets button:hover {
  background: rgba(255, 255, 255, 0.08);
}

/* Helper details overlay */
.helper-overlay {
  pointer-events: auto;
  background: var(--panel-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 16px;
  max-width: 280px;
  box-shadow: var(--shadow-lg);
}

.helper-overlay h3 {
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--accent-color);
  display: flex;
  align-items: center;
  gap: 6px;
}

.helper-overlay p {
  font-size: 11px;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-bottom: 8px;
}

.helper-overlay ul {
  list-style: none;
  font-size: 10px;
  color: var(--text-muted);
}

.helper-overlay li {
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.helper-overlay li::before {
  content: "•";
  color: var(--accent-color);
}

/* Color indicator helpers */
.color-picker-row {
  display: flex;
  gap: 6px;
  margin-top: 8px;
}

.color-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1.5px solid rgba(255, 255, 255, 0.2);
  cursor: pointer;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.color-dot:hover {
  transform: scale(1.15);
}

.color-dot.active {
  border-color: #fff;
  box-shadow: 0 0 6px rgba(255,255,255,0.4);
}

/* Responsive Rules & Mobile Overlay Sidebar Drawer Optimization */
.mobile-menu-toggle {
  display: none !important; /* Hidden on desktop */
}

.mobile-only-close {
  display: none !important; /* Hidden on desktop */
}

@media (max-width: 768px) {
  /* Eliminate the blocking full-screen overlay wrapper completely on mobile touch screens */
  .app-interface {
    display: block !important;
    position: static !important;
    width: 0 !important;
    height: 0 !important;
    overflow: visible !important;
    padding: 0 !important;
    margin: 0 !important;
    border: none !important;
    pointer-events: none !important;
  }
  
  .floating-overlay {
    display: block !important;
    position: static !important;
    width: 0 !important;
    height: 0 !important;
    overflow: visible !important;
    padding: 0 !important;
    margin: 0 !important;
    pointer-events: none !important;
  }
  
  .sidebar {
    position: fixed;
    top: 10px;
    left: 10px;
    bottom: 10px;
    width: 270px; /* Slimmer for maximum 3D touch navigation area */
    max-width: calc(100% - 20px);
    height: calc(100vh - 20px);
    z-index: 1000;
    transform: translateX(-110%);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    background: transparent !important; /* Fully transparent main wrapper */
    border: none !important;
    box-shadow: none !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    pointer-events: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-right: 4px;
  }
  
  .sidebar.open {
    transform: translateX(0);
  }
  
  /* Modular Glass Cards: Apple iOS signature light-translucent frosted glass look */
  .sidebar .studio-header,
  .sidebar .section {
    background: rgba(255, 255, 255, 0.07) !important; /* Premium ultra-light white frosted tint */
    backdrop-filter: blur(20px) !important; /* High blur signature iOS frosted glass look */
    -webkit-backdrop-filter: blur(20px) !important;
    border: 1px solid rgba(255, 255, 255, 0.15) !important; /* Soft glowing white iOS borders */
    border-radius: 12px !important;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25) !important; /* iOS soft shadow drop */
    padding: 12px 16px !important;
    margin-bottom: 0 !important; /* Handled by flex gap */
  }

  /* Beautiful floating trigger button for mobile PWA */
  .mobile-menu-toggle {
    display: flex !important;
    align-items: center;
    gap: 6px;
    position: fixed;
    bottom: 20px;
    left: 20px;
    z-index: 999;
    padding: 10px 16px;
    font-weight: 700;
    font-size: 12px;
    font-family: inherit;
    color: #000;
    background: var(--rim-color);
    border: none;
    border-radius: 50px;
    box-shadow: 0 4px 16px rgba(6, 182, 212, 0.4);
    cursor: pointer;
    pointer-events: auto;
    transition: all var(--transition-fast);
  }
  
  .mobile-menu-toggle:active {
    transform: scale(0.95);
    box-shadow: 0 2px 8px rgba(6, 182, 212, 0.2);
  }

  /* Rounded close button inside sidebar header */
  .mobile-only-close {
    display: flex !important;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 20px;
    right: 20px;
    width: 28px;
    height: 28px;
    font-size: 18px;
    line-height: 1;
    font-weight: 400;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-fast);
    pointer-events: auto;
  }
  
  .mobile-only-close:active {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
  }
  
  .helper-overlay {
    display: none; /* Hide helper on mobile to save space */
  }
  
  /* Optimize Camera Presets: Positioned vertically on the middle-right of the viewport */
  /* This completely eliminates the layout collision with the bottom-left Controls button! */
  .camera-quick-presets {
    position: fixed !important;
    right: 15px !important;
    top: 50% !important;
    bottom: auto !important;
    left: auto !important;
    transform: translateY(-50%) !important;
    flex-direction: column !important; /* Stack vertically! */
    gap: 6px !important;
    z-index: 999 !important;
    pointer-events: auto !important;
    padding: 6px !important;
    background: rgba(255, 255, 255, 0.07) !important; /* Premium light iOS frosted dock */
    backdrop-filter: blur(20px) !important;
    -webkit-backdrop-filter: blur(20px) !important;
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
    border-radius: 14px !important;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25) !important;
  }
  
  .camera-quick-presets button {
    padding: 8px 4px !important;
    font-size: 10px !important;
    width: 100% !important;
    border-radius: 6px !important;
  }
  
  /* Top manipulator toolbar adjustment */
  #manipulator-toolbar {
    top: 15px !important;
    pointer-events: auto;
  }
}

/* Static Reference Model Mode Styling */
.section.disabled-reference {
  position: relative;
  opacity: 0.35;
  pointer-events: none;
  filter: grayscale(85%);
  transition: all var(--transition-normal);
}

.section.disabled-reference::after {
  content: "Static Reference Model Active";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(11, 11, 14, 0.45);
  backdrop-filter: blur(1.5px);
  -webkit-backdrop-filter: blur(1.5px);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  color: var(--accent-color);
  text-shadow: 0 2px 4px rgba(0,0,0,0.8);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  z-index: 10;
  border-radius: inherit;
  pointer-events: auto;
}

/* Search Pose Reference Modal Overlay */
.search-modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(11, 11, 14, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.search-modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.search-modal {
  background: rgba(30, 41, 59, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  width: 90%;
  max-width: 440px;
  padding: 24px;
  box-shadow: var(--shadow-deep);
  transform: scale(0.9);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.search-modal-backdrop.active .search-modal {
  transform: scale(1);
}

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

.search-modal-title {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.search-modal-close {
  background: none;
  border: none;
  color: #94a3b8;
  cursor: pointer;
  padding: 4px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.search-modal-close:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  transform: rotate(90deg);
}

.search-modal-description {
  font-size: 12px;
  color: #94a3b8;
  line-height: 1.5;
  margin: 0;
}

.search-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.search-input {
  width: 100%;
  padding: 12px 14px;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  color: #fff;
  font-size: 13px;
  font-family: inherit;
  outline: none;
  transition: all var(--transition-fast);
}

.search-input:focus {
  border-color: var(--rim-color);
  box-shadow: 0 0 0 2px rgba(6, 182, 212, 0.25);
}

.tag-pills-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #94a3b8;
  margin-bottom: 4px;
}

.tag-pills-container {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag-pill {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 100px;
  padding: 6px 12px;
  color: #94a3b8;
  font-size: 11px;
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}

.tag-pill:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.tag-pill.active {
  background: rgba(6, 182, 212, 0.15);
  border-color: var(--rim-color);
  color: var(--rim-color);
  font-weight: 600;
  box-shadow: 0 0 8px rgba(6, 182, 212, 0.15);
}

.search-engines-container {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 8px;
}

.search-btn {
  width: 100%;
  padding: 12px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all var(--transition-fast);
}

.search-btn-pinterest {
  background: #e60023;
  color: #fff;
  border: none;
}

.search-btn-pinterest:hover {
  background: #ad001a;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(230, 0, 35, 0.3);
}

.search-btn-google {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #fff;
}

.search-btn-google:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(255, 255, 255, 0.05);
}

/* Side-by-Side Reference Sidebar Layout (Column 3) */
.app-interface.has-reference-sidebar {
  grid-template-columns: 350px 1fr 340px; /* Smooth side-by-side transition */
  gap: 20px;
}

.reference-sidebar {
  grid-column: 3;
  width: 100%;
  height: calc(100vh - 40px);
  background: var(--panel-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  box-shadow: var(--shadow-lg), var(--shadow-inner);
  display: flex;
  flex-direction: column;
  pointer-events: auto;
  overflow: hidden;
  padding: 0px; /* Collapsed padding on start */
  border-width: 0px; /* Collapsed borders on start */
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1), transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), padding 0.4s cubic-bezier(0.16, 1, 0.3, 1), border-width 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.app-interface.has-reference-sidebar .reference-sidebar {
  opacity: 1;
  transform: translateX(0);
  padding: 20px;
  border-width: 1px;
}

/* Reference Gallery Scrollable Grid */
.reference-gallery-grid {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  overflow-y: auto;
  padding-right: 4px;
}

.reference-gallery-grid::-webkit-scrollbar {
  width: 4px;
}

.reference-gallery-grid::-webkit-scrollbar-track {
  background: transparent;
}

.reference-gallery-grid::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
}

.reference-gallery-grid::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}

.reference-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: 8px;
  overflow: hidden;
  background: rgba(15, 23, 42, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.05);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.reference-item:hover {
  transform: scale(1.03);
  border-color: var(--rim-color);
  box-shadow: 0 4px 12px rgba(6, 182, 212, 0.15);
}

.reference-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.3s ease;
}

.reference-placeholder {
  grid-column: 1 / span 2;
  color: #64748b;
  font-size: 11px;
  text-align: center;
  margin-top: 40px;
  line-height: 1.5;
}

.reference-loading {
  grid-column: 1 / span 2;
  color: var(--rim-color);
  font-size: 12px;
  font-weight: 600;
  text-align: center;
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.reference-spinner {
  width: 24px;
  height: 24px;
  border: 2px solid rgba(6, 182, 212, 0.1);
  border-top-color: var(--rim-color);
  border-radius: 50%;
  animation: ref-spin 0.8s linear infinite;
}

@keyframes ref-spin {
  to { transform: rotate(360deg); }
}

/* Floating Pinned Reference Card */
.pinned-reference-card {
  position: absolute;
  top: 80px;
  right: 20px;
  width: 160px;
  background: rgba(30, 41, 59, 0.5);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  box-shadow: var(--shadow-deep);
  z-index: 1001;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: width 0.2s ease;
  pointer-events: auto;
}

.pinned-reference-card:hover {
  width: 240px;
}

.pinned-card-header {
  padding: 6px 10px;
  background: rgba(15, 23, 42, 0.4);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 9px;
  font-weight: 700;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: move;
  user-select: none;
}

.pinned-card-header button {
  background: none;
  border: none;
  color: #64748b;
  cursor: pointer;
  padding: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all var(--transition-fast);
}

.pinned-card-header button:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.pinned-reference-card img {
  width: 100%;
  height: auto;
  max-height: 320px;
  object-fit: contain;
  display: block;
}

/* Reference Style Tabs & Pose Scanner Styles */
.ref-tab {
  flex: 1;
  text-align: center;
  padding: 6px 0;
  font-size: 10px;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 6px;
  transition: all var(--transition-fast);
}

.ref-tab:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.15);
}

.ref-tab.active {
  background: rgba(6, 182, 212, 0.15);
  border-color: var(--rim-color);
  color: var(--text-primary);
  box-shadow: 0 0 10px rgba(6, 182, 212, 0.2);
}

#btn-match-pose {
  transition: all var(--transition-fast) !important;
}

#btn-match-pose:hover {
  background: rgba(245, 158, 11, 0.2) !important;
  border-color: var(--accent-color) !important;
  box-shadow: 0 0 12px var(--accent-glow) !important;
  transform: translateY(-1px);
}

#btn-match-pose:active {
  transform: translateY(0);
}

/* Floating Clean Screen / Hide UI Mode Trigger */
.ui-visibility-toggle {
  position: fixed;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--panel-border);
  background: var(--panel-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 2005; /* Highest floating element, above sidebar */
  pointer-events: auto;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-fast);
}

.ui-visibility-toggle:hover {
  background: var(--panel-bg-hover);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.2);
  transform: scale(1.05);
}

.ui-visibility-toggle:active {
  transform: scale(0.95);
}

/* Clean Screen Mode styles */
body.clean-screen-mode .app-interface,
body.clean-screen-mode .sidebar,
body.clean-screen-mode .mobile-menu-toggle,
body.clean-screen-mode #manipulator-toolbar,
body.clean-screen-mode .camera-quick-presets {
  opacity: 0 !important;
  pointer-events: none !important;
  transition: opacity 0.35s ease-out !important;
}

/* Adjustments for mobile screen visibility button */
@media (max-width: 768px) {
  .ui-visibility-toggle {
    top: 15px;
    right: 15px;
    width: 36px;
    height: 36px;
  }
}