:root {
  /* Primary palette */
  --aom-primary: #7C3AED;
  --aom-primary-ink: #5B21B6;
  --aom-primary-tint: #F5F3FF;
  --aom-primary-tint-2: #EDE9FE;
  --aom-primary-gradient: linear-gradient(135deg, #8B5CF6 0%, #6D28D9 100%);
  --aom-on-primary: #FFFFFF;

  /* Backgrounds & surfaces */
  --aom-bg: #F8F7FC;
  --aom-surface: #FFFFFF;
  --aom-surface-2: #F5F3FF;
  --aom-surface-hover: #FDFCFF;

  /* Borders */
  --aom-border: #EAE4F5;
  --aom-border-strong: #D4CCF0;
  --aom-border-focus: rgba(124, 58, 237, 0.35);

  /* Text */
  --aom-ink: #1A1027;
  --aom-ink-2: #3D2E5E;
  --aom-muted: #7A6E9E;
  --aom-muted-2: #A89CC8;

  /* Status */
  --aom-success: #2F7D4F;
  --aom-success-tint: #E4F1E9;
  --aom-danger: #B23A3A;
  --aom-warning: #92400E;
  --aom-warning-tint: #FEF3C7;

  /* Border radii */
  --r-xs: 4px;
  --r-sm: 7px;
  --r-md: 10px;
  --r-lg: 14px;
  --r-xl: 18px;
  --r-full: 999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(26,16,39,0.05);
  --shadow-sm: 0 1px 4px rgba(26,16,39,0.07), 0 0 1px rgba(26,16,39,0.04);
  --shadow-md: 0 4px 12px rgba(26,16,39,0.08), 0 1px 3px rgba(26,16,39,0.05);
  --shadow-lg: 0 8px 28px rgba(26,16,39,0.10), 0 2px 6px rgba(26,16,39,0.06);
  --shadow-xl: 0 16px 48px rgba(26,16,39,0.13), 0 4px 10px rgba(26,16,39,0.07);
  --shadow-primary-sm: 0 2px 8px rgba(124,58,237,0.18);
  --shadow-primary: 0 4px 20px rgba(124,58,237,0.28);
  --shadow-primary-lg: 0 8px 32px rgba(124,58,237,0.32);
  --shadow-inset: inset 0 1px 2px rgba(26,16,39,0.06);

  /* Fonts */
  --font-ar: 'Tajawal', system-ui, sans-serif;
  --font-en: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  /* Transitions */
  --t-fast: 0.12s ease;
  --t-base: 0.18s ease;
  --t-slow: 0.28s cubic-bezier(0.25, 1, 0.3, 1);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-ar);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Scrollbar hiding */
.aom-scroll-hidden::-webkit-scrollbar { display: none; }
.aom-scroll-hidden { scrollbar-width: none; -ms-overflow-style: none; }

/* Thin custom scrollbar for panels */
.aom-scroll-thin::-webkit-scrollbar { width: 4px; }
.aom-scroll-thin::-webkit-scrollbar-track { background: transparent; }
.aom-scroll-thin::-webkit-scrollbar-thumb { background: var(--aom-border-strong); border-radius: 4px; }
.aom-scroll-thin { scrollbar-width: thin; scrollbar-color: var(--aom-border-strong) transparent; }

/* Image placeholder */
.aom-placeholder {
  background-image: repeating-linear-gradient(45deg, transparent 0, transparent 10px, rgba(0,0,0,0.02) 10px, rgba(0,0,0,0.02) 11px);
  position: relative; display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 4px; text-align: center; padding: 8px;
}
.aom-placeholder-label {
  font-family: var(--font-mono); font-size: 8px; letter-spacing: 0.08em; opacity: 0.4;
  text-transform: uppercase; background: rgba(255,255,255,0.7); padding: 2px 5px; border-radius: 3px;
}
.aom-placeholder-name {
  font-family: var(--font-ar); font-size: 11px; font-weight: 600; line-height: 1.2; opacity: 0.85;
}

/* Button base */
.aom-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  font-family: var(--font-ar); font-weight: 700; border: none; cursor: pointer;
  transition: all var(--t-base); border-radius: var(--r-md); letter-spacing: 0.01em;
  -webkit-tap-highlight-color: transparent;
}
.aom-btn:active { transform: scale(0.96); }

.aom-btn-primary {
  background: var(--aom-primary-gradient);
  color: var(--aom-on-primary);
  box-shadow: var(--shadow-primary-sm);
}
.aom-btn-primary:hover { box-shadow: var(--shadow-primary); filter: brightness(1.05); }
.aom-btn-primary:disabled { background: var(--aom-muted-2); box-shadow: none; cursor: not-allowed; }

.aom-btn-secondary {
  background: var(--aom-surface); color: var(--aom-ink);
  border: 1.5px solid var(--aom-border); box-shadow: var(--shadow-xs);
}
.aom-btn-secondary:hover { border-color: var(--aom-border-strong); box-shadow: var(--shadow-sm); }

.aom-btn-ghost { background: transparent; color: var(--aom-ink); }
.aom-btn-ghost:hover { background: var(--aom-surface-2); }

/* Animations */
@keyframes aom-fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes aom-slide-up { from { transform: translateY(100%); } to { transform: translateY(0); } }
@keyframes aom-scale-in { from { opacity: 0; transform: scale(0.96); } to { opacity: 1; transform: scale(1); } }
@keyframes aom-pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.45; } }
@keyframes aom-shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.aom-fade-in { animation: aom-fade-in 0.2s ease; }
.aom-slide-up { animation: aom-slide-up 0.32s cubic-bezier(0.25, 1, 0.3, 1); }
.aom-scale-in { animation: aom-scale-in 0.22s cubic-bezier(0.25, 1, 0.3, 1); }

/* Skeleton shimmer */
.aom-skeleton {
  background: linear-gradient(90deg, var(--aom-surface-2) 25%, var(--aom-border) 50%, var(--aom-surface-2) 75%);
  background-size: 200% 100%;
  animation: aom-shimmer 1.4s infinite;
  border-radius: var(--r-sm);
}

/* Input focus ring */
.aom-input-focus:focus {
  outline: none;
  border-color: var(--aom-primary) !important;
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.12), var(--shadow-xs);
}

/* Card hover lift */
.aom-card-hover {
  transition: box-shadow var(--t-base), transform var(--t-base);
}
.aom-card-hover:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

@keyframes aom-scan-line {
  0%   { top: 8px; opacity: 1; }
  50%  { top: calc(100% - 8px); opacity: 1; }
  100% { top: 8px; opacity: 1; }
}

@page { size: A4; margin: 0; }

/* Keyboard focus ring — visible for accessibility */
:focus-visible {
  outline: 2px solid var(--aom-primary);
  outline-offset: 2px;
}