/* ==========================================================================
   1. Design System & Base CSS Variables (Light & Dark Themes + i18n RTL/LTR)
   ========================================================================== */
:root {
  --bg-primary: #f6f8fb;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-card-glass: rgba(255, 255, 255, 0.94);
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
  --border-glow: rgba(15, 61, 62, 0.12);
  
  /* Islamic Brand Palette */
  --brand-teal: #0f3d3e;
  --brand-teal-light: #165b5c;
  --brand-teal-soft: #e8f5f3;
  --brand-gold: #c59b27;
  --brand-gold-light: #fef8e7;
  --brand-gold-border: #e9cb70;
  --accent-navy: #0b1a30;
  
  /* Semantic Colors */
  --data-blue: #0284c7;
  --data-blue-soft: #e0f2fe;
  --benefit-green: #059669;
  --benefit-green-soft: #d1fae5;
  --insight-purple: #7c3aed;
  --insight-purple-soft: #ede9fe;
  --warning-amber: #d97706;
  --warning-amber-soft: #fef3c7;
  --danger-red: #dc2626;
  --danger-red-soft: #fee2e2;
  
  --shadow-sm: 0 2px 6px rgba(0,0,0,0.04);
  --shadow-md: 0 6px 18px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 14px 34px rgba(15, 23, 42, 0.12);
  --shadow-xl: 0 22px 50px rgba(15, 23, 42, 0.16);
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 26px;
  
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --bg-primary: #070e17;
  --bg-secondary: #0c1826;
  --bg-card: #102033;
  --bg-card-glass: rgba(16, 32, 51, 0.92);
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --border-color: #1e334d;
  --border-glow: rgba(197, 155, 39, 0.2);
  
  --brand-teal: #1a6b6c;
  --brand-teal-light: #259697;
  --brand-teal-soft: rgba(26, 107, 108, 0.25);
  --brand-gold: #e5b332;
  --brand-gold-light: rgba(229, 179, 50, 0.15);
  --brand-gold-border: rgba(229, 179, 50, 0.3);
  --accent-navy: #050b12;
  
  --data-blue-soft: rgba(2, 132, 199, 0.15);
  --benefit-green-soft: rgba(5, 150, 105, 0.15);
  --insight-purple-soft: rgba(124, 58, 237, 0.15);
  --warning-amber-soft: rgba(217, 119, 6, 0.15);
  --danger-red-soft: rgba(220, 38, 38, 0.15);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Cairo', 'IBM Plex Sans Arabic', sans-serif;
  line-height: 1.65;
  direction: rtl;
  transition: background-color 0.3s ease, color 0.3s ease;
  min-height: 100vh;
  overflow-x: hidden;
}

/* LTR English Overrides */
html[dir="ltr"] body, body[dir="ltr"] {
  direction: ltr;
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

html[dir="ltr"] #progress-bar {
  left: 0;
  right: auto;
  background: linear-gradient(to right, var(--brand-gold), var(--brand-teal-light));
}

html[dir="ltr"] .toast-alert {
  left: auto;
  right: 24px;
}

/* Scroll progress bar */
#progress-bar {
  position: fixed;
  top: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(to left, var(--brand-gold), var(--brand-teal-light));
  width: 0%;
  z-index: 1000;
  transition: width 0.1s ease;
}

/* Main Container */
.dashboard-container {
  max-width: 1600px;
  margin: 0 auto;
  padding: 24px 30px 80px;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

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

/* Toast Notification */
.toast-alert {
  position: fixed;
  bottom: 24px;
  left: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-xl);
  border-radius: var(--radius-md);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 9999;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text-primary);
  transform: translateY(100px);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
  pointer-events: none;
}

.toast-alert.show {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.toast-alert i {
  color: var(--benefit-green);
  font-size: 16px;
}