/* NoorViz UI Theme derived from docs/noorviz_ui_mockup.html
   Mapped to existing [data-theme] light/dark toggle and design tokens. */

/* Navbar (glass morphism) */
[data-theme="light"] .navbar {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  padding: var(--spacing-5) var(--spacing-8);
  border-bottom: 1px solid rgba(245, 158, 11, 0.12);
  position: sticky; top: 0; z-index: var(--z-sticky);
}
[data-theme="light"] .navbar::after {
  content: ""; position: absolute; bottom: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(245, 158, 11, 0.5) 50%, transparent 100%);
}
[data-theme="dark"] .navbar {
  background: rgba(17, 24, 39, 0.65);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  padding: var(--spacing-5) var(--spacing-8);
  border-bottom: 1px solid rgba(147, 197, 253, 0.12);
  position: sticky; top: 0; z-index: var(--z-sticky);
}

.nav-brand { display:flex; align-items:center; gap: var(--spacing-3); font-family: 'Poppins', sans-serif; font-weight: 800; }
[data-theme="light"] .nav-brand span {
  background: linear-gradient(135deg, #1F2937 0%, #4B5563 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
[data-theme="dark"] .nav-brand span {
  background: linear-gradient(135deg, #e5e7eb 0%, #9ca3af 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}

.nav-menu { display:flex; gap: var(--spacing-2); list-style:none; }
.nav-link { position:relative; padding: 10px 18px; border-radius: var(--radius-md); font-weight: 600; text-decoration:none; transition: all var(--transition-fast) var(--ease-standard); }
[data-theme="light"] .nav-link { color: #6B7280; }
[data-theme="dark"] .nav-link { color: #cbd5e1; }
.nav-link::before { content:""; position:absolute; inset:0; border-radius: inherit; opacity:0; transition: opacity var(--transition-fast) var(--ease-standard); z-index:-1; }
[data-theme="light"] .nav-link::before { background: linear-gradient(135deg, #FEF3C7 0%, #FDE68A 100%); }
[data-theme="dark"] .nav-link::before { background: linear-gradient(135deg, rgba(245,158,11,0.18) 0%, rgba(245,158,11,0.25) 100%); }
.nav-link:hover::before, .nav-link.nav-link-active::before { opacity:1; }
[data-theme="light"] .nav-link:hover, [data-theme="light"] .nav-link.nav-link-active { color: #D97706; box-shadow: 0 4px 12px rgba(245, 158, 11, 0.18); transform: translateY(-1px); }
[data-theme="dark"] .nav-link:hover, [data-theme="dark"] .nav-link.nav-link-active { color: var(--color-primary-300); box-shadow: 0 4px 10px rgba(0,0,0,0.35); transform: translateY(-1px); }

/* Gradient underline accent */
.nav-link::after { content:""; position:absolute; left:14px; right:14px; bottom:6px; height:2px; border-radius:999px; opacity:0; transform: scaleX(0); transition: transform var(--transition-fast) var(--ease-standard), opacity var(--transition-fast) var(--ease-standard); }
[data-theme="light"] .nav-link::after { background: linear-gradient(90deg, var(--color-primary-400), var(--color-secondary-500)); }
[data-theme="dark"] .nav-link::after { background: linear-gradient(90deg, var(--color-primary-300), var(--color-secondary-400)); }
.nav-link:hover::after, .nav-link.nav-link-active::after { opacity:1; transform: scaleX(1); }

/* Theme toggle pill */
#themeToggle { border:none; background: transparent; cursor: pointer; }
#themeToggle .theme-toggle-slider { width: 44px; height: 24px; border-radius: var(--radius-pill); display:flex; align-items:center; justify-content:center; font-size: 14px; transition: transform var(--transition-fast) var(--ease-standard); }
[data-theme="light"] #themeToggle .theme-toggle-slider { background: #f8fafc; box-shadow: inset 0 0 0 1px #e5e7eb; }
[data-theme="dark"] #themeToggle .theme-toggle-slider { background: #0f172a; box-shadow: inset 0 0 0 1px #334155; }
#themeToggle:hover .theme-toggle-slider { transform: translateY(-1px); }

/* Hero */
.hero { position: relative; padding: var(--spacing-16) 0 var(--spacing-12); overflow:hidden; }
[data-theme="light"] .hero { background: radial-gradient(1200px 600px at 10% -10%, rgba(245,158,11,0.12) 0%, transparent 60%); }
[data-theme="dark"] .hero { background: radial-gradient(1200px 600px at 10% -10%, rgba(245,158,11,0.18) 0%, transparent 60%); }
.hero-title, .heading-1 { font-family: 'Poppins', sans-serif; font-weight: 800; font-size: clamp(2rem, 6vw, 4rem); line-height: 1.05; }
.hero-subtitle { max-width: 800px; margin: var(--spacing-4) auto; font-size: var(--text-lg); }
/* Removed duplicate gradient-text declaration to allow fallback and theme-specific gradients */
.hero-cta { display:flex; gap: var(--spacing-4); justify-content:center; flex-wrap:wrap; margin-top: var(--spacing-6); }
.btn-hero-primary { background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600)); color: white; border: none; box-shadow: 0 12px 30px rgba(245, 158, 11, 0.35); }
.btn-hero-secondary { background: transparent; border: 1px solid var(--border-default); }

/* Dashboard preview */
.dashboard-preview { display:grid; grid-template-columns: 320px 1fr; gap: var(--spacing-6); align-items:start; margin-top: var(--spacing-10); }
@media (max-width: 960px) { .dashboard-preview { grid-template-columns: 1fr; } }

/* Sidebar */
.sidebar { border-radius: var(--radius-xl); overflow:hidden; padding: var(--spacing-5); display:flex; flex-direction:column; gap: var(--spacing-5); }
[data-theme="light"] .sidebar { background: rgba(255,255,255,0.75); box-shadow: 0 6px 26px rgba(0,0,0,0.08), inset 0 1px 0 rgba(255,255,255,0.5); border: 1px solid rgba(245,158,11,0.1); }
[data-theme="dark"] .sidebar { background: rgba(2,6,23,0.55); box-shadow: 0 10px 40px rgba(0,0,0,0.35), inset 0 1px 0 rgba(255,255,255,0.05); border: 1px solid rgba(147,197,253,0.12); }
.sidebar-title { font-weight: 700; opacity: 0.8; }
.sidebar-item { display:flex; align-items:center; gap: var(--spacing-3); padding: 10px 12px; border-radius: var(--radius-md); cursor:pointer; transition: all var(--transition-fast) var(--ease-standard); }
[data-theme="light"] .sidebar-item { color: #374151; }
[data-theme="dark"] .sidebar-item { color: #e2e8f0; }
[data-theme="light"] .sidebar-item:hover { background: rgba(245,158,11,0.08); }
[data-theme="dark"] .sidebar-item:hover { background: rgba(245,158,11,0.14); }
.sidebar-item.active { background: linear-gradient(135deg, rgba(245,158,11,0.18), rgba(245,158,11,0.28)); color: white; }
.sidebar-item-icon { width:28px; height:28px; display:flex; align-items:center; justify-content:center; border-radius: var(--radius-md); background: rgba(245,158,11,0.15); }

/* Main content */
.main-content { border-radius: var(--radius-xl); padding: var(--spacing-6); }
[data-theme="light"] .main-content { background: rgba(255,255,255,0.85); border: 1px solid rgba(245,158,11,0.1); box-shadow: 0 6px 26px rgba(0,0,0,0.08), inset 0 1px 0 rgba(255,255,255,0.5); }
[data-theme="dark"] .main-content { background: rgba(2,6,23,0.55); border: 1px solid rgba(147,197,253,0.12); box-shadow: 0 10px 40px rgba(0,0,0,0.35), inset 0 1px 0 rgba(255,255,255,0.05); }
.content-header { display:flex; justify-content:space-between; align-items:center; gap: var(--spacing-4); flex-wrap:wrap; }
.content-title { font-size: var(--text-xl); font-weight: 700; }
.search-bar { display:flex; align-items:center; gap: var(--spacing-2); padding: 10px 12px; border-radius: var(--radius-md); }
[data-theme="light"] .search-bar { background:#f8fafc; border: 1px solid #e5e7eb; }
[data-theme="dark"] .search-bar { background:#0f172a; border: 1px solid #334155; }
.search-bar input { border:none; outline:none; background: transparent; color: inherit; }

/* Stats */
.stats-grid { display:grid; grid-template-columns: repeat(4, 1fr); gap: var(--spacing-4); margin-top: var(--spacing-6); }
@media (max-width: 960px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
.stat-card { border-radius: var(--radius-lg); padding: var(--spacing-5); text-align:center; }
[data-theme="light"] .stat-card { background: linear-gradient(135deg, #ffffff, #f9fafb); border: 1px solid #e5e7eb; }
[data-theme="dark"] .stat-card { background: linear-gradient(135deg, rgba(245,158,11,0.12), rgba(245,158,11,0.2)); border: 1px solid rgba(245,158,11,0.25); }
.stat-value { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 800; }
.stat-label { opacity: 0.75; margin-top: 4px; }

/* Photos */
.photo-grid { display:grid; grid-template-columns: repeat(2, 1fr); gap: var(--spacing-4); margin-top: var(--spacing-6); }
@media (max-width: 960px) { .photo-grid { grid-template-columns: 1fr; } }
.photo-card { display:flex; align-items:center; gap: var(--spacing-4); border-radius: var(--radius-lg); padding: var(--spacing-4); transition: transform var(--transition-fast) var(--ease-standard); }
[data-theme="light"] .photo-card { background: #ffffff; border: 1px solid #e5e7eb; }
[data-theme="dark"] .photo-card { background: rgba(255,255,255,0.02); border: 1px solid rgba(147,197,253,0.12); }
.photo-card:hover { transform: translateY(-2px); }
.photo-thumbnail { width:56px; height:56px; border-radius: var(--radius-lg); display:flex; align-items:center; justify-content:center; font-size: 26px; background: rgba(245,158,11,0.2); }
.photo-title { font-weight: 700; }
.photo-meta { opacity: 0.7; font-size: var(--text-sm); }
/* Buttons - mockup gradient variants */
.btn { transition: transform var(--transition-fast) var(--ease-standard), box-shadow var(--transition-fast) var(--ease-standard); }
.btn:hover { transform: translateY(-1px); }
.btn:focus { outline: none; box-shadow: 0 0 0 3px rgba(147,197,253,0.35); }
.btn[disabled] { opacity: 0.6; cursor: not-allowed; }

[data-theme="light"] .btn-primary { background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600)); color: white; border: none; box-shadow: 0 10px 22px rgba(59,130,246,0.35); }
[data-theme="dark"] .btn-primary { background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-700)); color: white; border: none; box-shadow: 0 10px 22px rgba(0,0,0,0.45); }

[data-theme="light"] .btn-secondary { background: linear-gradient(135deg, #ffffff, #f9fafb); color: #1f2937; border: 1px solid #e5e7eb; }
[data-theme="dark"] .btn-secondary { background: transparent; color: #e5e7eb; border: 1px solid #334155; }

[data-theme="light"] .btn-tertiary { background: transparent; color: #374151; border: 1px dashed #d1d5db; }
[data-theme="dark"] .btn-tertiary { background: transparent; color: #cbd5e1; border: 1px dashed #334155; }

[data-theme="light"] .btn-success { background: linear-gradient(135deg, var(--color-success-500), var(--color-success-600)); color: white; border: none; }
[data-theme="dark"] .btn-success { background: linear-gradient(135deg, var(--color-success-600), var(--color-success-700)); color: white; border: none; }

[data-theme="light"] .btn-danger { background: linear-gradient(135deg, var(--color-error-500), var(--color-error-600)); color: white; border: none; }
[data-theme="dark"] .btn-danger { background: linear-gradient(135deg, var(--color-error-600), var(--color-error-700)); color: white; border: none; }

/* Icon buttons */
.btn-icon, .btn-icon-sm, .btn-icon-lg { border: 1px solid var(--border-default); background: linear-gradient(135deg, rgba(245,158,11,0.12), rgba(245,158,11,0.22)); }
[data-theme="dark"] .btn-icon, [data-theme="dark"] .btn-icon-sm, [data-theme="dark"] .btn-icon-lg { border-color: #334155; background: linear-gradient(135deg, rgba(245,158,11,0.18), rgba(245,158,11,0.28)); }

/* Forms - inputs, textareas, checkboxes */
.input { transition: box-shadow var(--transition-fast) var(--ease-standard), border-color var(--transition-fast) var(--ease-standard); }
[data-theme="light"] .input { background:#ffffff; border:1px solid #e5e7eb; }
[data-theme="dark"] .input { background:#0f172a; border:1px solid #334155; color: #e5e7eb; }
.input:focus { box-shadow: 0 8px 22px rgba(59,130,246,0.25), 0 0 0 2px rgba(59,130,246,0.35); border-color: var(--color-primary-500); }
.input-error { border-color: var(--color-error-500); }
.input-error:focus { box-shadow: 0 8px 22px rgba(239,68,68,0.25), 0 0 0 2px rgba(239,68,68,0.35); }
.input-label { font-weight: var(--font-semibold); }
.input-helper { color: var(--text-secondary); }
.input-error-message { color: var(--color-error-600); }

.checkbox input { accent-color: var(--color-primary-500); }

/* Cards */
.card { border-radius: var(--radius-lg); overflow: hidden; }
[data-theme="light"] .card { background: linear-gradient(135deg, #ffffff, #f9fafb); border: 1px solid #e5e7eb; box-shadow: 0 8px 24px rgba(0,0,0,0.08); }
[data-theme="dark"] .card { background: linear-gradient(135deg, rgba(17,24,39,0.75), rgba(17,24,39,0.85)); border: 1px solid rgba(147,197,253,0.12); box-shadow: 0 12px 30px rgba(0,0,0,0.35); }
.card-elevated { box-shadow: 0 16px 36px rgba(245,158,11,0.25); }
.card-bordered { border: 2px solid rgba(245,158,11,0.25); }
.card-header { border-bottom: 1px solid var(--border-default); }
.card-footer { border-top: 1px solid var(--border-default); display:flex; justify-content:flex-end; gap: var(--spacing-2); }

/* Badges */
.badge { border-radius: var(--radius-md); padding: 6px 10px; font-weight: 600; }
/* Theme-specific badge overrides for stronger contrast */
[data-theme="light"] .badge-primary { background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600)); color: white; }
[data-theme="dark"] .badge-primary { background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-700)); color: white; }

[data-theme="light"] .badge-secondary { background: linear-gradient(135deg, var(--color-secondary-500), var(--color-secondary-600)); color: white; }
[data-theme="dark"] .badge-secondary { background: linear-gradient(135deg, var(--color-secondary-600), var(--color-secondary-700)); color: white; }

[data-theme="light"] .badge-success { background: linear-gradient(135deg, var(--color-success-500), var(--color-success-600)); color: white; }
[data-theme="dark"] .badge-success { background: linear-gradient(135deg, var(--color-success-600), var(--color-success-700)); color: white; }

[data-theme="light"] .badge-error { background: linear-gradient(135deg, var(--color-error-500), var(--color-error-600)); color: white; }
[data-theme="dark"] .badge-error { background: linear-gradient(135deg, var(--color-error-600), var(--color-error-700)); color: white; }

[data-theme="light"] .badge-warning { background: linear-gradient(135deg, var(--color-warning-500), var(--color-warning-600)); color: #1f2937; border: none; }
[data-theme="dark"] .badge-warning { background: linear-gradient(135deg, var(--color-warning-600), var(--color-warning-700)); color: #111827; border: none; }

[data-theme="light"] .badge-info { background: linear-gradient(135deg, var(--color-info-500), var(--color-info-600)); color: white; }
[data-theme="dark"] .badge-info { background: linear-gradient(135deg, var(--color-info-600), var(--color-info-700)); color: white; }

/* Slider controls */
.slider-control { background: transparent; border-radius: var(--radius-md); }
.slider-label { display:flex; justify-content:space-between; font-weight: 600; margin-bottom: 6px; }
.slider { -webkit-appearance: none; height: 6px; border-radius: 999px; outline: none; }
[data-theme="light"] .slider { background: linear-gradient(90deg, var(--color-primary-300), var(--color-primary-500)); }
[data-theme="dark"] .slider { background: linear-gradient(90deg, var(--color-primary-500), var(--color-primary-700)); }
.slider::-webkit-slider-thumb { -webkit-appearance: none; width: 18px; height: 18px; border-radius: 50%; background: linear-gradient(135deg, #fff, #f3f4f6); border: 1px solid #e5e7eb; box-shadow: 0 2px 6px rgba(0,0,0,0.15); }
[data-theme="dark"] .slider::-webkit-slider-thumb { background: linear-gradient(135deg, #334155, #0f172a); border: 1px solid #334155; box-shadow: 0 2px 6px rgba(0,0,0,0.45); }

/* EXIF panel */
.exif-panel { border-radius: var(--radius-lg); padding: var(--spacing-5); }
[data-theme="light"] .exif-panel { background: linear-gradient(135deg, #ffffff, #f9fafb); border: 1px solid #e5e7eb; }
[data-theme="dark"] .exif-panel { background: linear-gradient(135deg, rgba(17,24,39,0.75), rgba(17,24,39,0.85)); border: 1px solid rgba(147,197,253,0.12); }
.exif-title { font-weight: 700; margin-bottom: var(--spacing-3); }
.exif-row { display:flex; justify-content:space-between; padding: 8px 0; border-bottom: 1px dashed var(--border-default); }
.exif-row:last-child { border-bottom: none; }
.exif-label { opacity: 0.75; }
.exif-value { font-weight: 600; }

/* Histogram */
.histogram { border-radius: var(--radius-lg); padding: var(--spacing-4); }
[data-theme="light"] .histogram { background: linear-gradient(135deg, #ffffff, #f9fafb); border: 1px solid #e5e7eb; }
[data-theme="dark"] .histogram { background: linear-gradient(135deg, rgba(17,24,39,0.75), rgba(17,24,39,0.85)); border: 1px solid rgba(147,197,253,0.12); }
.histogram-bars { display:flex; align-items:flex-end; gap: 4px; height: 160px; }
.histogram-bar { width: 10px; border-radius: 999px; background: linear-gradient(180deg, var(--color-primary-400), var(--color-primary-700)); }

/* Editor toolbar */
.editor-toolbar { background: transparent; border-radius: var(--radius-lg); box-shadow: none; display:flex; gap: var(--spacing-2); }
.tool-button { display:flex; align-items:center; gap: 8px; padding: 8px 12px; border-radius: var(--radius-md); border: 1px solid var(--border-default); background: linear-gradient(135deg, rgba(245,158,11,0.1), rgba(245,158,11,0.18)); }
.tool-button:hover { transform: translateY(-1px); }
.tool-button-active { background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600)); color: white; border: none; box-shadow: 0 10px 22px rgba(59,130,246,0.35); }
.tool-icon { width: 18px; height: 18px; display:flex; align-items:center; justify-content:center; }
.tool-label { font-weight: 600; }

/* Loading - spinners & skeletons */
.spinner { width: 24px; height: 24px; border: 3px solid rgba(147,197,253,0.25); border-top-color: var(--color-primary-500); border-radius: 50%; animation: spin 1s linear infinite; }
.spinner.spinner-lg { width: 40px; height: 40px; border-width: 4px; }
@keyframes spin { to { transform: rotate(360deg); } }
.skeleton { position: relative; overflow: hidden; background: linear-gradient(135deg, #e5e7eb, #f3f4f6); }
[data-theme="dark"] .skeleton { background: linear-gradient(135deg, #1f2937, #111827); }
.skeleton::after { content:""; position:absolute; inset:0; transform: translateX(-100%); background: linear-gradient(90deg, transparent, rgba(255,255,255,0.35), transparent); animation: shimmer 1.6s infinite; }
@keyframes shimmer { 100% { transform: translateX(100%); } }

/* Demo blocks */
.demo-block { border: 1px solid var(--border-default); }
[data-theme="light"] .demo-block { background: linear-gradient(135deg, #ffffff, #f9fafb); }
[data-theme="dark"] .demo-block { background: linear-gradient(135deg, rgba(2,6,23,0.55), rgba(17,24,39,0.75)); }

/* Gradient text utility */
/* Sidebar active color fix for light theme */
[data-theme="light"] .sidebar-item.active { color: #1f2937; }
.gradient-text { color: var(--color-primary-600); background: none; -webkit-text-fill-color: currentColor; }
[data-theme="dark"] .gradient-text { color: var(--color-primary-300); -webkit-text-fill-color: currentColor; }
@supports (background-clip: text) or (-webkit-background-clip: text) {
  .gradient-text { background: linear-gradient(90deg, var(--color-primary-500), var(--color-secondary-500)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }
  [data-theme="dark"] .gradient-text { background: linear-gradient(135deg, var(--color-primary-300) 0%, var(--color-primary-400) 55%, var(--color-primary-500) 100%); text-shadow: 0 1px 2px rgba(0,0,0,0.4); -webkit-text-fill-color: transparent; }
}
/* Removed duplicate gradient-text declaration to allow fallback and theme-specific gradients (secondary instance) */
.hero-cta { display:flex; gap: var(--spacing-4); justify-content:center; flex-wrap:wrap; margin-top: var(--spacing-6); }
.btn-hero-primary { background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600)); color: white; border: none; box-shadow: 0 12px 30px rgba(245, 158, 11, 0.35); }
.btn-hero-secondary { background: transparent; border: 1px solid var(--border-default); }

/* Dashboard preview */
.dashboard-preview { display:grid; grid-template-columns: 320px 1fr; gap: var(--spacing-6); align-items:start; margin-top: var(--spacing-10); }
@media (max-width: 960px) { .dashboard-preview { grid-template-columns: 1fr; } }

/* Sidebar */
.sidebar { border-radius: var(--radius-xl); overflow:hidden; padding: var(--spacing-5); display:flex; flex-direction:column; gap: var(--spacing-5); }
[data-theme="light"] .sidebar { background: rgba(255,255,255,0.75); box-shadow: 0 6px 26px rgba(0,0,0,0.08), inset 0 1px 0 rgba(255,255,255,0.5); border: 1px solid rgba(245,158,11,0.1); }
[data-theme="dark"] .sidebar { background: rgba(2,6,23,0.55); box-shadow: 0 10px 40px rgba(0,0,0,0.35), inset 0 1px 0 rgba(255,255,255,0.05); border: 1px solid rgba(147,197,253,0.12); }
.sidebar-title { font-weight: 700; opacity: 0.8; }
.sidebar-item { display:flex; align-items:center; gap: var(--spacing-3); padding: 10px 12px; border-radius: var(--radius-md); cursor:pointer; transition: all var(--transition-fast) var(--ease-standard); }
[data-theme="light"] .sidebar-item { color: #374151; }
[data-theme="dark"] .sidebar-item { color: #e2e8f0; }
[data-theme="light"] .sidebar-item:hover { background: rgba(245,158,11,0.08); }
[data-theme="dark"] .sidebar-item:hover { background: rgba(245,158,11,0.14); }
.sidebar-item.active { background: linear-gradient(135deg, rgba(245,158,11,0.18), rgba(245,158,11,0.28)); color: white; }
.sidebar-item-icon { width:28px; height:28px; display:flex; align-items:center; justify-content:center; border-radius: var(--radius-md); background: rgba(245,158,11,0.15); }

/* Main content */
.main-content { border-radius: var(--radius-xl); padding: var(--spacing-6); }
[data-theme="light"] .main-content { background: rgba(255,255,255,0.85); border: 1px solid rgba(245,158,11,0.1); box-shadow: 0 6px 26px rgba(0,0,0,0.08), inset 0 1px 0 rgba(255,255,255,0.5); }
[data-theme="dark"] .main-content { background: rgba(2,6,23,0.55); border: 1px solid rgba(147,197,253,0.12); box-shadow: 0 10px 40px rgba(0,0,0,0.35), inset 0 1px 0 rgba(255,255,255,0.05); }
.content-header { display:flex; justify-content:space-between; align-items:center; gap: var(--spacing-4); flex-wrap:wrap; }
.content-title { font-size: var(--text-xl); font-weight: 700; }
.search-bar { display:flex; align-items:center; gap: var(--spacing-2); padding: 10px 12px; border-radius: var(--radius-md); }
[data-theme="light"] .search-bar { background:#f8fafc; border: 1px solid #e5e7eb; }
[data-theme="dark"] .search-bar { background:#0f172a; border: 1px solid #334155; }
.search-bar input { border:none; outline:none; background: transparent; color: inherit; }

/* Stats */
.stats-grid { display:grid; grid-template-columns: repeat(4, 1fr); gap: var(--spacing-4); margin-top: var(--spacing-6); }
@media (max-width: 960px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
.stat-card { border-radius: var(--radius-lg); padding: var(--spacing-5); text-align:center; }
[data-theme="light"] .stat-card { background: linear-gradient(135deg, #ffffff, #f9fafb); border: 1px solid #e5e7eb; }
[data-theme="dark"] .stat-card { background: linear-gradient(135deg, rgba(245,158,11,0.12), rgba(245,158,11,0.2)); border: 1px solid rgba(245,158,11,0.25); }
.stat-value { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 800; }
.stat-label { opacity: 0.75; margin-top: 4px; }

/* Photos */
.photo-grid { display:grid; grid-template-columns: repeat(2, 1fr); gap: var(--spacing-4); margin-top: var(--spacing-6); }
@media (max-width: 960px) { .photo-grid { grid-template-columns: 1fr; } }
.photo-card { display:flex; align-items:center; gap: var(--spacing-4); border-radius: var(--radius-lg); padding: var(--spacing-4); transition: transform var(--transition-fast) var(--ease-standard); }
[data-theme="light"] .photo-card { background: #ffffff; border: 1px solid #e5e7eb; }
[data-theme="dark"] .photo-card { background: rgba(255,255,255,0.02); border: 1px solid rgba(147,197,253,0.12); }
.photo-card:hover { transform: translateY(-2px); }
.photo-thumbnail { width:56px; height:56px; border-radius: var(--radius-lg); display:flex; align-items:center; justify-content:center; font-size: 26px; background: rgba(245,158,11,0.2); }
.photo-title { font-weight: 700; }
.photo-meta { opacity: 0.7; font-size: var(--text-sm); }
/* Buttons - mockup gradient variants */
.btn { transition: transform var(--transition-fast) var(--ease-standard), box-shadow var(--transition-fast) var(--ease-standard); }
.btn:hover { transform: translateY(-1px); }
.btn:focus { outline: none; box-shadow: 0 0 0 3px rgba(147,197,253,0.35); }
.btn[disabled] { opacity: 0.6; cursor: not-allowed; }

[data-theme="light"] .btn-primary { background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600)); color: white; border: none; box-shadow: 0 10px 22px rgba(59,130,246,0.35); }
[data-theme="dark"] .btn-primary { background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-700)); color: white; border: none; box-shadow: 0 10px 22px rgba(0,0,0,0.45); }

[data-theme="light"] .btn-secondary { background: linear-gradient(135deg, #ffffff, #f9fafb); color: #1f2937; border: 1px solid #e5e7eb; }
[data-theme="dark"] .btn-secondary { background: transparent; color: #e5e7eb; border: 1px solid #334155; }

[data-theme="light"] .btn-tertiary { background: transparent; color: #374151; border: 1px dashed #d1d5db; }
[data-theme="dark"] .btn-tertiary { background: transparent; color: #cbd5e1; border: 1px dashed #334155; }

[data-theme="light"] .btn-success { background: linear-gradient(135deg, var(--color-success-500), var(--color-success-600)); color: white; border: none; }
[data-theme="dark"] .btn-success { background: linear-gradient(135deg, var(--color-success-600), var(--color-success-700)); color: white; border: none; }

[data-theme="light"] .btn-danger { background: linear-gradient(135deg, var(--color-error-500), var(--color-error-600)); color: white; border: none; }
[data-theme="dark"] .btn-danger { background: linear-gradient(135deg, var(--color-error-600), var(--color-error-700)); color: white; border: none; }

/* Icon buttons */
.btn-icon, .btn-icon-sm, .btn-icon-lg { border: 1px solid var(--border-default); background: linear-gradient(135deg, rgba(245,158,11,0.12), rgba(245,158,11,0.22)); }
[data-theme="dark"] .btn-icon, [data-theme="dark"] .btn-icon-sm, [data-theme="dark"] .btn-icon-lg { border-color: #334155; background: linear-gradient(135deg, rgba(245,158,11,0.18), rgba(245,158,11,0.28)); }

/* Forms - inputs, textareas, checkboxes */
.input { transition: box-shadow var(--transition-fast) var(--ease-standard), border-color var(--transition-fast) var(--ease-standard); }
[data-theme="light"] .input { background:#ffffff; border:1px solid #e5e7eb; }
[data-theme="dark"] .input { background:#0f172a; border:1px solid #334155; color: #e5e7eb; }
.input:focus { box-shadow: 0 8px 22px rgba(59,130,246,0.25), 0 0 0 2px rgba(59,130,246,0.35); border-color: var(--color-primary-500); }
.input-error { border-color: var(--color-error-500); }
.input-error:focus { box-shadow: 0 8px 22px rgba(239,68,68,0.25), 0 0 0 2px rgba(239,68,68,0.35); }
.input-label { font-weight: var(--font-semibold); }
.input-helper { color: var(--text-secondary); }
.input-error-message { color: var(--color-error-600); }

.checkbox input { accent-color: var(--color-primary-500); }

/* Cards */
.card { border-radius: var(--radius-lg); overflow: hidden; }
[data-theme="light"] .card { background: linear-gradient(135deg, #ffffff, #f9fafb); border: 1px solid #e5e7eb; box-shadow: 0 8px 24px rgba(0,0,0,0.08); }
[data-theme="dark"] .card { background: linear-gradient(135deg, rgba(17,24,39,0.75), rgba(17,24,39,0.85)); border: 1px solid rgba(147,197,253,0.12); box-shadow: 0 12px 30px rgba(0,0,0,0.35); }
.card-elevated { box-shadow: 0 16px 36px rgba(245,158,11,0.25); }
.card-bordered { border: 2px solid rgba(245,158,11,0.25); }
.card-header { border-bottom: 1px solid var(--border-default); }
.card-footer { border-top: 1px solid var(--border-default); display:flex; justify-content:flex-end; gap: var(--spacing-2); }

/* Badges */
.badge { border-radius: var(--radius-md); padding: 6px 10px; font-weight: 600; }
.badge-primary { background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600)); color: white; }
.badge-secondary { background: linear-gradient(135deg, var(--color-secondary-500), var(--color-secondary-600)); color: white; }
.badge-success { background: linear-gradient(135deg, var(--color-success-500), var(--color-success-600)); color: white; }
.badge-error { background: linear-gradient(135deg, var(--color-error-500), var(--color-error-600)); color: white; }
.badge-warning { background: linear-gradient(135deg, var(--color-warning-500), var(--color-warning-600)); color: #1f2937; }
.badge-info { background: linear-gradient(135deg, var(--color-info-500), var(--color-info-600)); color: white; }

/* Slider controls */
.slider-control { background: transparent; border-radius: var(--radius-md); }
.slider-label { display:flex; justify-content:space-between; font-weight: 600; margin-bottom: 6px; }
.slider { -webkit-appearance: none; height: 6px; border-radius: 999px; outline: none; }
[data-theme="light"] .slider { background: linear-gradient(90deg, var(--color-primary-300), var(--color-primary-500)); }
[data-theme="dark"] .slider { background: linear-gradient(90deg, var(--color-primary-500), var(--color-primary-700)); }
.slider::-webkit-slider-thumb { -webkit-appearance: none; width: 18px; height: 18px; border-radius: 50%; background: linear-gradient(135deg, #fff, #f3f4f6); border: 1px solid #e5e7eb; box-shadow: 0 2px 6px rgba(0,0,0,0.15); }
[data-theme="dark"] .slider::-webkit-slider-thumb { background: linear-gradient(135deg, #334155, #0f172a); border: 1px solid #334155; box-shadow: 0 2px 6px rgba(0,0,0,0.45); }

/* EXIF panel */
.exif-panel { border-radius: var(--radius-lg); padding: var(--spacing-5); }
[data-theme="light"] .exif-panel { background: linear-gradient(135deg, #ffffff, #f9fafb); border: 1px solid #e5e7eb; }
[data-theme="dark"] .exif-panel { background: linear-gradient(135deg, rgba(17,24,39,0.75), rgba(17,24,39,0.85)); border: 1px solid rgba(147,197,253,0.12); }
.exif-title { font-weight: 700; margin-bottom: var(--spacing-3); }
.exif-row { display:flex; justify-content:space-between; padding: 8px 0; border-bottom: 1px dashed var(--border-default); }
.exif-row:last-child { border-bottom: none; }
.exif-label { opacity: 0.75; }
.exif-value { font-weight: 600; }

/* Histogram */
.histogram { border-radius: var(--radius-lg); padding: var(--spacing-4); }
[data-theme="light"] .histogram { background: linear-gradient(135deg, #ffffff, #f9fafb); border: 1px solid #e5e7eb; }
[data-theme="dark"] .histogram { background: linear-gradient(135deg, rgba(17,24,39,0.75), rgba(17,24,39,0.85)); border: 1px solid rgba(147,197,253,0.12); }
.histogram-bars { display:flex; align-items:flex-end; gap: 4px; height: 160px; }
.histogram-bar { width: 10px; border-radius: 999px; background: linear-gradient(180deg, var(--color-primary-400), var(--color-primary-700)); }

/* Editor toolbar */
.editor-toolbar { background: transparent; border-radius: var(--radius-lg); box-shadow: none; display:flex; gap: var(--spacing-2); }
.tool-button { display:flex; align-items:center; gap: 8px; padding: 8px 12px; border-radius: var(--radius-md); border: 1px solid var(--border-default); background: linear-gradient(135deg, rgba(245,158,11,0.1), rgba(245,158,11,0.18)); }
.tool-button:hover { transform: translateY(-1px); }
.tool-button-active { background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600)); color: white; border: none; box-shadow: 0 10px 22px rgba(59,130,246,0.35); }
.tool-icon { width: 18px; height: 18px; display:flex; align-items:center; justify-content:center; }
.tool-label { font-weight: 600; }

/* Loading - spinners & skeletons */
.spinner { width: 24px; height: 24px; border: 3px solid rgba(147,197,253,0.25); border-top-color: var(--color-primary-500); border-radius: 50%; animation: spin 1s linear infinite; }
.spinner.spinner-lg { width: 40px; height: 40px; border-width: 4px; }
@keyframes spin { to { transform: rotate(360deg); } }
.skeleton { position: relative; overflow: hidden; background: linear-gradient(135deg, #e5e7eb, #f3f4f6); }
[data-theme="dark"] .skeleton { background: linear-gradient(135deg, #1f2937, #111827); }
.skeleton::after { content:""; position:absolute; inset:0; transform: translateX(-100%); background: linear-gradient(90deg, transparent, rgba(255,255,255,0.35), transparent); animation: shimmer 1.6s infinite; }
@keyframes shimmer { 100% { transform: translateX(100%); } }

/* Demo blocks */
.demo-block { border: 1px solid var(--border-default); }
[data-theme="light"] .demo-block { background: linear-gradient(135deg, #ffffff, #f9fafb); }
[data-theme="dark"] .demo-block { background: linear-gradient(135deg, rgba(2,6,23,0.55), rgba(17,24,39,0.75)); }

/* Link color overrides for theme contrast */
[data-theme="light"] a { color: var(--color-secondary-600); }
[data-theme="light"] a:hover { color: var(--color-secondary-700); }
[data-theme="dark"] a { color: var(--color-secondary-400); }
[data-theme="dark"] a:hover { color: var(--color-secondary-300); }

/* Additional button variants */
[data-theme="light"] .btn-info { background: linear-gradient(135deg, var(--color-info-500), var(--color-info-600)); color: white; border: none; }
[data-theme="dark"] .btn-info { background: linear-gradient(135deg, var(--color-info-600), var(--color-info-700)); color: white; border: none; }

/* Error alias for consistency */
[data-theme="light"] .btn-error { background: linear-gradient(135deg, var(--color-error-500), var(--color-error-600)); color: white; border: none; }
[data-theme="dark"] .btn-error { background: linear-gradient(135deg, var(--color-error-600), var(--color-error-700)); color: white; border: none; }