/* ===== نظام الألوان الجديد - الوضع الداكن فقط ===== */
:root {
  /* الألوان الأساسية */
  --color-primary: #6366f1;
  --color-primary-hover: #4f46e5;
  --color-primary-light: rgba(99, 102, 241, 0.15);
  --color-secondary: #64748b;
  --color-secondary-hover: #475569;
  
  /* خلفية متدرجة */
  --color-bg-main: #0f172a;
  --color-bg-secondary: #1e293b;
  --color-bg-card: #1e293b;
  --color-bg-header: #0f172a;
  --color-bg-footer: #0f172a;
  --color-bg-sidebar: #0f1629;
  
  /* ألوان النصوص - محسنة للوضوح */
  --color-text-primary: #f8fafc;
  --color-text-secondary: #e2e8f0;
  --color-text-muted: #cbd5e1;
  --color-text-inverse: #0f172a;
  
  /* ألوان الحدود */
  --color-border: rgba(148, 163, 184, 0.2);
  --color-border-light: rgba(148, 163, 184, 0.1);
  
  /* ظلال محسنة */
  --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-card-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
  
  /* ألوان خاصة للأزرار */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-info: #3b82f6;
  
  /* متغيرات المسافات */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* متغيرات التدوير */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  
  /* متغيرات الخطوط */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  
  /* التحولات */
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
}

/* ===== التصميم الأساسي ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Tajawal', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
  background-attachment: fixed;
  color: var(--color-text-primary);
  line-height: 1.6;
  direction: rtl;
  min-height: 100vh;
  position: relative;
}

/* خلفية متحركة مثل التصميم المرفق */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(16, 185, 129, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

/* ===== التخطيط الرئيسي ===== */
.app-layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 280px;
  background: var(--color-bg-sidebar);
  border-left: 1px solid var(--color-border);
  padding: var(--spacing-lg);
  position: fixed;
  right: 0;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  transition: all var(--transition-normal);
  z-index: 1000;
}

.main-container {
  flex: 1;
  margin-right: 280px;
  min-height: 100vh;
}

.main-content {
  padding: var(--spacing-xl);
  max-width: 1400px;
  margin: 0 auto;
}

/* ===== شريط التنقل العلوي ===== */
.top-navbar {
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-md) var(--spacing-xl);
  position: sticky;
  top: 0;
  z-index: 999;
}

.navbar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1400px;
  margin: 0 auto;
}

.navbar-brand {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text-primary);
  text-decoration: none;
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

/* ===== القائمة الجانبية ===== */
.sidebar-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
}

.sidebar-logo {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--color-primary), #8b5cf6);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
  color: white;
  font-size: var(--font-size-2xl);
}

.sidebar-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
}

.sidebar-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.sidebar-nav {
  list-style: none;
}

.sidebar-nav-item {
  margin-bottom: var(--spacing-sm);
}

.sidebar-nav-link {
  display: flex;
  align-items: center;
  padding: var(--spacing-md);
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  font-weight: 500;
}

.sidebar-nav-link:hover,
.sidebar-nav-link.active {
  background: var(--color-primary-light);
  color: var(--color-primary);
  transform: translateX(-4px);
}

.sidebar-nav-link i {
  margin-left: var(--spacing-sm);
  width: 20px;
  text-align: center;
}

/* ===== بطاقات الأخبار مثل التصميم المرفق ===== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.news-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-normal);
  border: 1px solid var(--color-border);
  position: relative;
}

.news-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card-hover);
}

.news-card-image {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.news-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.news-card:hover .news-card-image img {
  transform: scale(1.05);
}

.news-card-category {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: var(--color-primary);
  color: white;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  font-weight: 600;
}

.news-card-content {
  padding: var(--spacing-lg);
}

.news-card-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card-excerpt {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.news-card-actions {
  display: flex;
  gap: var(--spacing-sm);
}

/* ===== الأزرار المحدثة ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-sm);
  font-weight: 500;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), #8b5cf6);
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.3);
}

.btn-secondary {
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-border-light);
  transform: translateY(-2px);
}

.btn-success {
  background: linear-gradient(135deg, var(--color-success), #059669);
  color: white;
}

.btn-warning {
  background: linear-gradient(135deg, var(--color-warning), #d97706);
  color: white;
}

.btn-error {
  background: linear-gradient(135deg, var(--color-error), #dc2626);
  color: white;
}

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-xs);
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-base);
}

/* ===== إحصائيات محدثة ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.stats-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-xl);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.stats-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), #8b5cf6);
}

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

.stats-card-header {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.stats-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  margin-left: var(--spacing-md);
}

.stats-card-number {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
}

.stats-card-label {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 500;
}

/* ===== النماذج المحدثة ===== */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-sm);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--spacing-md);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* ===== التخطيط المتجاوب ===== */
/* زر القائمة للموبايل */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text-primary);
  font-size: var(--font-size-2xl);
  cursor: pointer;
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.mobile-menu-toggle:hover {
  background: var(--color-bg-secondary);
  color: var(--color-primary);
}

/* خلفية شفافة للموبايل */
.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
}

.sidebar-overlay.active {
  display: block;
}

@media (max-width: 1024px) {
  .mobile-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .sidebar {
    transform: translateX(100%);
    z-index: 1001;
  }
  
  .sidebar.open {
    transform: translateX(0);
  }
  
  .main-container {
    margin-right: 0;
  }
  
  .navbar-content {
    justify-content: space-between;
  }
  
  .main-content {
    padding: var(--spacing-lg);
  }
}

@media (max-width: 768px) {
  .news-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
  }
  
  .main-content {
    padding: var(--spacing-md);
  }
  
  .news-card-content {
    padding: var(--spacing-md);
  }
  
  .stats-card {
    padding: var(--spacing-lg);
  }
}

@media (max-width: 480px) {
  .news-grid {
    gap: var(--spacing-md);
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .main-content {
    padding: var(--spacing-sm);
  }
}

/* ===== تأثيرات إضافية ===== */
.fade-in {
  animation: fadeIn 0.6s ease-out;
}

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

.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-radius: 50%;
  border-top-color: var(--color-primary);
  animation: spin 1s ease-in-out infinite;
}

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

/* ===== التمرير المخصص ===== */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-main);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 3px;
}

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

/* ===== فئات مساعدة ===== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.d-flex { display: flex; }
.d-grid { display: grid; }
.d-none { display: none; }
.d-block { display: block; }

.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.items-center { align-items: center; }

.w-full { width: 100%; }
.h-full { height: 100%; }

.mt-4 { margin-top: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mr-4 { margin-right: var(--spacing-lg); }
.ml-4 { margin-left: var(--spacing-lg); }

.p-4 { padding: var(--spacing-lg); }
.py-4 { padding-top: var(--spacing-lg); padding-bottom: var(--spacing-lg); }
.px-4 { padding-left: var(--spacing-lg); padding-right: var(--spacing-lg); }

.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }

.shadow { box-shadow: var(--shadow-card); }
.shadow-lg { box-shadow: var(--shadow-lg); }