/**
 * ========================================
 * Al-Aref Design System v3.0 — منصة العارف / Gen-Z
 * ========================================
 * Bold, high-contrast Arabic EdTech for a Gen-Z audience
 * 
 * Philosophy:
 * - Warm, paper-like backgrounds (no harsh whites)
 * - Soft, diffused shadows for floating elements
 * - Generous whitespace for breathing room
 * - Rounded, friendly shapes
 * - Beautiful Arabic typography
 * ========================================
 */

/* ==================== CSS Variables - The "Soft & Creamy" Palette ==================== */
:root {
  /* ====== BACKGROUND COLORS - The "Warm Paper" Feel ====== */
  --bg-cream: var(--tc-bg, #F6F4FF);
  --bg-cream-soft: #FBFAFF;
  --bg-cream-warm: #EFEBFF;
  --bg-surface: var(--tc-surface, #FFFFFF);
  --bg-surface-hover: #FBFAFF;
  
  /* ====== PRIMARY BRAND - Maps to tenant primary ====== */
  --primary-50: color-mix(in srgb, var(--tc-primary, #7C5CFF) 8%, transparent);
  --primary-100: color-mix(in srgb, var(--tc-primary, #7C5CFF) 15%, transparent);
  --primary-200: color-mix(in srgb, var(--tc-primary, #7C5CFF) 30%, transparent);
  --primary-300: color-mix(in srgb, var(--tc-primary, #7C5CFF) 50%, transparent);
  --primary-400: color-mix(in srgb, var(--tc-primary, #7C5CFF) 75%, transparent);
  --primary-500: var(--tc-primary, #7C5CFF);
  --primary-600: color-mix(in srgb, var(--tc-primary, #7C5CFF) 85%, black);
  --primary-700: color-mix(in srgb, var(--tc-primary, #7C5CFF) 70%, black);
  --primary-800: color-mix(in srgb, var(--tc-primary, #7C5CFF) 55%, black);
  --primary-900: color-mix(in srgb, var(--tc-primary, #7C5CFF) 40%, black);

  /* ====== ACCENT - Maps to tenant accent ====== */
  --accent-50: color-mix(in srgb, var(--tc-accent, #FF5CA8) 8%, transparent);
  --accent-100: color-mix(in srgb, var(--tc-accent, #FF5CA8) 15%, transparent);
  --accent-200: color-mix(in srgb, var(--tc-accent, #FF5CA8) 30%, transparent);
  --accent-300: color-mix(in srgb, var(--tc-accent, #FF5CA8) 50%, transparent);
  --accent-400: color-mix(in srgb, var(--tc-accent, #FF5CA8) 75%, transparent);
  --accent-500: var(--tc-accent, #FF5CA8);
  --accent-600: color-mix(in srgb, var(--tc-accent, #FF5CA8) 85%, black);
  --accent-700: color-mix(in srgb, var(--tc-accent, #FF5CA8) 70%, black);

  /* ====== TEXT COLORS - Maps to tenant text colors ====== */
  --text-heading: var(--tc-text, #150F3D);
  --text-body: var(--tc-text-secondary, #5A5384);
  --text-muted: var(--tc-text-secondary, #5A5384);
  --text-placeholder: #9C95C4;
  --text-inverse: #FFFFFF;

  /* ====== STATUS COLORS - Soft Variants ====== */
  --success: #10B981;
  --success-soft: rgba(16, 185, 129, 0.1);
  --warning: #F59E0B;
  --warning-soft: rgba(245, 158, 11, 0.1);
  --error: #EF4444;
  --error-soft: rgba(239, 68, 68, 0.1);
  --info: #3B82F6;
  --info-soft: rgba(59, 130, 246, 0.1);

  /* ====== TYPOGRAPHY - Beautiful Arabic ====== */
  --font-family: var(--tc-font-body, 'Cairo'), 'Almarai', 'Tajawal', sans-serif;
  --font-family-heading: var(--tc-font-heading, 'Rubik'), 'Almarai', sans-serif;
  
  /* Font Sizes - Harmonious Scale */
  --text-xs: 0.75rem;      /* 12px */
  --text-sm: 0.875rem;     /* 14px */
  --text-base: 1rem;       /* 16px */
  --text-lg: 1.125rem;     /* 18px */
  --text-xl: 1.25rem;      /* 20px */
  --text-2xl: 1.5rem;      /* 24px */
  --text-3xl: 1.875rem;    /* 30px */
  --text-4xl: 2.25rem;     /* 36px */
  --text-5xl: 3rem;        /* 48px */

  /* Font Weights */
  --font-light: 300;
  --font-regular: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;

  /* Line Heights - Comfortable Reading */
  --leading-tight: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.75;
  --leading-loose: 2;

  /* ====== SPACING - Generous Whitespace ====== */
  --space-1: 0.25rem;      /* 4px */
  --space-2: 0.5rem;       /* 8px */
  --space-3: 0.75rem;      /* 12px */
  --space-4: 1rem;         /* 16px */
  --space-5: 1.25rem;      /* 20px */
  --space-6: 1.5rem;       /* 24px */
  --space-8: 2rem;         /* 32px */
  --space-10: 2.5rem;      /* 40px */
  --space-12: 3rem;        /* 48px */
  --space-16: 4rem;        /* 64px */
  --space-20: 5rem;        /* 80px */
  --space-24: 6rem;        /* 96px */

  /* ====== BORDER RADIUS - Friendly Roundness ====== */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 24px;
  --radius-3xl: 32px;
  --radius-full: 9999px;

  /* ====== SHADOWS - Soft Elevation (Floating Effect) ====== */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04), 
               0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06), 
               0 2px 4px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.08), 
               0 4px 8px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.10), 
               0 8px 16px rgba(0, 0, 0, 0.05);
  --shadow-2xl: 0 24px 64px rgba(0, 0, 0, 0.12),
                0 12px 24px rgba(0, 0, 0, 0.06);
  
  /* Colored Shadows */
  --shadow-primary: 0 8px 24px color-mix(in srgb, var(--tc-primary, #7C5CFF) 25%, transparent);
  --shadow-accent: 0 8px 24px color-mix(in srgb, var(--tc-accent, #FF5CA8) 25%, transparent);

  /* ====== BORDERS ====== */
  --border-light: var(--tc-border, #EFEBFF);
  --border-default: var(--tc-border, #E6E0FF);
  --border-dark: #CFC5FF;

  /* ====== TRANSITIONS - Smooth & Natural ====== */
  --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-in-out: cubic-bezier(0.645, 0.045, 0.355, 1);
  --transition-fast: 150ms var(--ease-out);
  --transition-normal: 250ms var(--ease-out);
  --transition-slow: 400ms var(--ease-out);

  /* ====== Z-INDEX Scale ====== */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-popover: 600;
  --z-tooltip: 700;
}

/* ==================== BASE STYLES ==================== */
html {
  direction: rtl;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-size: var(--text-base);
  font-weight: var(--font-regular);
  line-height: var(--leading-relaxed);
  color: var(--text-body);
  background-color: var(--bg-cream);
}

/* Dark theme body background */
[data-theme='dark'] body,
body[data-theme='dark'] {
  background-color: var(--tc-bg) !important;
  color: var(--tc-text) !important;
}

/* Headings - Beautiful Arabic Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  font-weight: var(--font-bold);
  color: var(--text-heading);
  line-height: var(--leading-tight);
  letter-spacing: -0.01em;
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

/* Paragraph styling */
p {
  color: var(--text-body);
  line-height: var(--leading-relaxed);
}

/* Links */
a {
  color: var(--primary-600);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-700);
}

/* Selection */
::selection {
  background: var(--primary-200);
  color: var(--primary-900);
}

/* ==================== COMPONENT STYLES ==================== */

/* ====== BUTTONS - Pill-shaped & Soft ====== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-family);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  line-height: 1;
  border: none;
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: all var(--transition-normal);
  white-space: nowrap;
  min-height: 48px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
  color: var(--text-inverse);
  box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
  transform: translateY(-2px);
  box-shadow: 0 12px 32px color-mix(in srgb, var(--tc-primary, #7C5CFF) 35%, transparent);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-heading);
  border: 2px solid var(--border-default);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--bg-cream-warm);
  border-color: var(--primary-300);
  color: var(--primary-700);
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent-500), var(--accent-600));
  color: var(--text-inverse);
  box-shadow: var(--shadow-accent);
}

.btn-accent:hover {
  background: linear-gradient(135deg, var(--accent-600), var(--accent-700));
  transform: translateY(-2px);
  box-shadow: 0 12px 32px color-mix(in srgb, var(--tc-accent, #FF5CA8) 35%, transparent);
}

.btn-ghost {
  background: transparent;
  color: var(--primary-600);
}

.btn-ghost:hover {
  background: var(--primary-50);
}

/* Button Sizes */
.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  min-height: 36px;
  border-radius: var(--radius-lg);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
  min-height: 56px;
  border-radius: var(--radius-2xl);
}

/* ====== CARDS - Floating on Cream Background ====== */
.card {
  background: var(--bg-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
  transition: all var(--transition-normal);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.card-interactive:hover {
  border-color: var(--primary-200);
}

.card-flat {
  box-shadow: none;
  border: 1px solid var(--border-default);
}

.card-flat:hover {
  box-shadow: var(--shadow-md);
  transform: none;
}

/* ====== INPUTS - Soft & Rounded ====== */
.input {
  width: 100%;
  padding: var(--space-4);
  font-family: var(--font-family);
  font-size: var(--text-base);
  color: var(--text-heading);
  background: var(--bg-surface);
  border: 2px solid var(--border-default);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
}

.input::placeholder {
  color: var(--text-placeholder);
}

.input:hover {
  border-color: var(--border-dark);
}

.input:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 4px var(--primary-50);
}

.input-error {
  border-color: var(--error);
}

.input-error:focus {
  box-shadow: 0 0 0 4px var(--error-soft);
}

/* ====== BADGES - Soft Pills ====== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-full);
}

.badge-primary {
  background: var(--primary-100);
  color: var(--primary-700);
}

.badge-success {
  background: var(--success-soft);
  color: var(--success);
}

.badge-warning {
  background: var(--warning-soft);
  color: var(--warning);
}

.badge-error {
  background: var(--error-soft);
  color: var(--error);
}

/* ====== SECTION BACKGROUNDS ====== */
.bg-cream { background-color: var(--bg-cream); }
.bg-cream-warm { background-color: var(--bg-cream-warm); }
.bg-surface { background-color: var(--bg-surface); }

.bg-gradient-soft {
  background: linear-gradient(180deg, var(--bg-cream) 0%, var(--bg-cream-warm) 100%);
}

.bg-gradient-hero {
  background: linear-gradient(135deg, var(--bg-cream) 0%, var(--primary-50) 50%, var(--bg-cream-warm) 100%);
}

/* ==================== UTILITY CLASSES ==================== */

/* Text Colors */
.text-heading { color: var(--text-heading); }
.text-body { color: var(--text-body); }
.text-muted { color: var(--text-muted); }
.text-primary { color: var(--primary-600); }
.text-accent { color: var(--accent-500); }

/* Shadows */
.shadow-soft { box-shadow: var(--shadow-md); }
.shadow-float { box-shadow: var(--shadow-lg); }
.shadow-elevated { box-shadow: var(--shadow-xl); }

/* Spacing helpers */
.section-padding {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

.container-padding {
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

/* ==================== ANIMATIONS ==================== */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@keyframes pulse-soft {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slide-up {
  from { 
    opacity: 0;
    transform: translateY(20px);
  }
  to { 
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-float { animation: float 6s ease-in-out infinite; }
.animate-pulse-soft { animation: pulse-soft 3s ease-in-out infinite; }
.animate-fade-in { animation: fade-in 0.3s ease-out; }
.animate-slide-up { animation: slide-up 0.4s ease-out; }

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
  :root {
    --text-4xl: 2rem;
    --text-3xl: 1.5rem;
    --text-2xl: 1.25rem;
    --space-16: 3rem;
    --space-20: 4rem;
  }
  
  .section-padding {
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
  }
}

/* ==================== LINE CLAMP ==================== */
.line-clamp-1 {
  display: -webkit-box;
  -webkit-line-clamp: 1;
  line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ==================== SCROLLBAR ==================== */
.scrollbar-hide::-webkit-scrollbar { display: none; }
.scrollbar-hide { -ms-overflow-style: none; scrollbar-width: none; }

/* Beautiful Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-cream-warm);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-300);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-400);
}

/* ============================================================================
   منصة العارف — Gen-Z layer
   ----------------------------------------------------------------------------
   Opt-in utilities layered on top of the token system above. Nothing here
   restyles existing markup by itself; add the class to use it. Every colour
   resolves through --tc-* so a tenant override recolours the whole language.
   ========================================================================== */

:root {
  --tc-lime: var(--tc-lime, #C8F135);
  --tc-cyan: var(--tc-cyan, #22D3EE);
  --grad-brand: linear-gradient(135deg, var(--tc-primary, #7C5CFF) 0%, var(--tc-accent, #FF5CA8) 100%);
  --grad-hype: linear-gradient(120deg, var(--tc-primary, #7C5CFF) 0%, var(--tc-cyan, #22D3EE) 45%, var(--tc-lime, #C8F135) 100%);
  --shadow-sticker: 4px 4px 0 var(--tc-text, #150F3D);
  --shadow-sticker-lg: 7px 7px 0 var(--tc-text, #150F3D);
}

/* ---------- Gradient text ---------- */
.text-gradient,
.gz-gradient-text {
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.gz-gradient-text--hype {
  background: var(--grad-hype);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gz-gradient-pan 8s ease infinite;
}

@keyframes gz-gradient-pan {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* ---------- Sticker surfaces: hard offset shadow, solid border ---------- */
.gz-card {
  background: var(--bg-surface);
  border: 2px solid var(--tc-text, #150F3D);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-sticker);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.gz-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-sticker-lg);
}

/* RTL: the offset should fall to the reading-start side. */
[dir="rtl"] .gz-card { box-shadow: -4px 4px 0 var(--tc-text, #150F3D); }
[dir="rtl"] .gz-card:hover {
  transform: translate(2px, -2px);
  box-shadow: -7px 7px 0 var(--tc-text, #150F3D);
}

/* ---------- Buttons ---------- */
.gz-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.85rem 1.9rem;
  border-radius: var(--radius-full);
  font-family: var(--font-family-heading);
  font-weight: 800;
  font-size: var(--text-base);
  line-height: 1;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
}

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

.gz-btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--tc-primary, #7C5CFF) 35%, transparent);
}

.gz-btn--primary {
  background: var(--grad-brand);
  color: #fff;
  box-shadow: var(--shadow-primary);
}

.gz-btn--primary:hover { filter: brightness(1.07); box-shadow: var(--shadow-xl); }

.gz-btn--lime {
  background: var(--tc-lime, #C8F135);
  color: var(--tc-text, #150F3D);
  border-color: var(--tc-text, #150F3D);
  box-shadow: var(--shadow-sticker);
}

.gz-btn--ghost {
  background: transparent;
  color: var(--tc-primary, #7C5CFF);
  border-color: currentColor;
}

.gz-btn--ghost:hover {
  background: color-mix(in srgb, var(--tc-primary, #7C5CFF) 10%, transparent);
}

/* ---------- Pills / badges ---------- */
.gz-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: var(--text-sm);
  background: color-mix(in srgb, var(--tc-primary, #7C5CFF) 12%, transparent);
  color: var(--tc-primary, #7C5CFF);
}

.gz-pill--lime {
  background: color-mix(in srgb, var(--tc-lime, #C8F135) 30%, transparent);
  color: var(--tc-text, #150F3D);
}

.gz-pill--accent {
  background: color-mix(in srgb, var(--tc-accent, #FF5CA8) 14%, transparent);
  color: var(--tc-accent, #FF5CA8);
}

/* ---------- Highlighter underline (marker pen) ---------- */
.gz-marker {
  background-image: linear-gradient(
    transparent 58%,
    color-mix(in srgb, var(--tc-lime, #C8F135) 65%, transparent) 58%
  );
  background-repeat: no-repeat;
  padding-inline: 0.15em;
}

/* ---------- Ambient blobs for hero/section backgrounds ---------- */
.gz-blob {
  position: absolute;
  border-radius: 42% 58% 63% 37% / 41% 44% 56% 59%;
  filter: blur(48px);
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
  animation: gz-blob-drift 18s ease-in-out infinite;
}

.gz-blob--primary { background: var(--tc-primary, #7C5CFF); }
.gz-blob--accent  { background: var(--tc-accent, #FF5CA8); animation-delay: -6s; }
.gz-blob--lime    { background: var(--tc-lime, #C8F135); animation-delay: -12s; }

@keyframes gz-blob-drift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%      { transform: translate(22px, -18px) scale(1.09); }
  66%      { transform: translate(-16px, 14px) scale(0.94); }
}

/* ---------- Scrolling marquee strip ---------- */
.gz-marquee {
  overflow: hidden;
  background: var(--grad-brand);
  color: #fff;
  font-weight: 800;
}

.gz-marquee__track {
  display: inline-flex;
  gap: 2.5rem;
  white-space: nowrap;
  padding-block: 0.75rem;
  animation: gz-marquee 22s linear infinite;
}

@keyframes gz-marquee {
  0%   { transform: translateX(-50%); }
  100% { transform: translateX(0); }
}

/* ---------- Motion safety ---------- */
@media (prefers-reduced-motion: reduce) {
  .gz-blob,
  .gz-marquee__track,
  .gz-gradient-text--hype {
    animation: none !important;
  }
  .gz-card,
  .gz-card:hover,
  .gz-btn:active {
    transform: none;
  }
}