/* نظام ألوان حديث ومتطور */
:root {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --accent: #6366f1;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --border: #e5e7eb;
  --border-light: #f3f4f6;
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --radius: 0.5rem;
  --radius-sm: 0.375rem;
  --transition: all 0.2s ease-in-out;
}

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

html { 
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  scroll-behavior: smooth;
}

body { 
  background: var(--bg-primary); 
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container { 
  max-width: 1200px; 
  margin: 0 auto; 
  padding: 0 1rem;
  width: 100%;
}

/* تنسيق الهيدر */
.site-header { 
  position: relative;
  background: linear-gradient(135deg, #1e3a8a, #2563eb);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow);
  position:
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
  color: white;
  overflow: hidden;
  padding: 0;
}

.header-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -1;
}

.header-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.header-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(30, 58, 138, 0.8), rgba(37, 99, 235, 0.8));
}

/* تنسيق شعار المدرسة على طول الهيدر */
.school-logo-banner {
  width: 100%;
  padding: 5px 0;
  text-align: center;
  position: relative;
  z-index: 2;
  background-color: rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  display: flex;
  justify-content: center;
  align-items: center;
}

.school-logo-banner img {
  height: 300px;
  width: auto;
  max-width: 95%;
  object-fit: contain;
  display: block;
  margin: 0 auto;
}

.header-content {
  text-align: center;
  padding: 20px 0 20px;
  position: relative;
  z-index: 2;
}

.main-title {
  font-size: 2.8rem;
  font-weight: 800;
  margin: 0 0 15px 0;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  line-height: 1.2;
}

.sub-title {
  font-size: 1.1rem;
  margin: 0;
  opacity: 0.9;
  line-height: 1.4;
  max-width: 800px;
  margin: 0 auto;
}

.header-inner { 
  display: flex; 
  align-items: center; 
  justify-content: space-between;
  padding: 1rem 0;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.school-logo {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.logo-img {
  width: 50px;
  height: 50px;
  object-fit: cover;
  border-radius: 50%;
}

.school-info {
  color: white;
}

.school-title {
  font-weight: 800;
  font-size: 1.8rem;
  margin: 0;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.school-subtitle {
  font-size: 0.9rem;
  margin: 0.25rem 0 0 0;
  opacity: 0.9;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(255, 255, 255, 0.1);
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
}

.user-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.user-avatar i {
  font-size: 2rem;
  color: white;
}

.user-details {
  color: white;
}

.user-name {
  display: block;
  font-weight: 600;
  font-size: 0.95rem;
}

.user-role {
  display: block;
  font-size: 0.8rem;
  opacity: 0.8;
}

/* شريط الأزرار الرئيسي */
.main-nav {
  background: linear-gradient(135deg, #1e40af, #3b82f6);
  padding: 15px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  margin-top: 20px;
}

.nav-list {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 15px;
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 10px 15px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.nav-link.admin-link {
  background: linear-gradient(135deg, #dc2626, #ef4444);
  border-color: rgba(255, 255, 255, 0.3);
}

.nav-link.admin-link:hover {
  background: linear-gradient(135deg, #b91c1c, #dc2626);
}

.nav-link.logout-link {
  background: linear-gradient(135deg, #475569, #64748b);
  border-color: rgba(255, 255, 255, 0.3);
}

.nav-link.logout-link:hover {
  background: linear-gradient(135deg, #334155, #475569);
}

.brand { 
  font-weight: 800; 
  font-size: 1.5rem; 
  color: white;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand::before {
  content: "🎓";
  font-size: 1.8rem;
}

.main-nav { 
  display: flex;
  align-items: center;
  gap: 1rem;
}

.main-nav a { 
  text-decoration: none; 
  color: var(--text-secondary);
  font-weight: 500;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  position: relative;
}

.main-nav a:hover { 
  color: var(--primary);
  background: var(--border-light);
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
  transform: translateX(-50%);
}

.main-nav a:hover::after {
  width: 80%;
}

.main-nav .btn { 
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white; 
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  font-weight: 600;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.main-nav .btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  background: linear-gradient(135deg, var(--primary-hover), #4f46e5);
}

/* تحسينات البطاقات */
.card { 
  background: var(--bg-secondary); 
  border: 1px solid var(--border-light); 
  border-radius: var(--radius); 
  padding: 1.5rem;
  margin: 1rem 0;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.grid { 
  display: grid; 
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); 
  gap: 1.5rem; 
}
.grid .card { 
  margin: 0; 
}

/* تحسينات القوائم */
ul { 
  margin: 0; 
  padding-inline-start: 1.5rem;
}

/* تحسينات النماذج */
.form-row { 
  margin: 1rem 0; 
}

label { 
  display: block; 
  margin-bottom: 0.5rem; 
  color: var(--text-primary);
  font-weight: 500;
}

input[type="text"], 
input[type="email"], 
input[type="password"], 
select, 
textarea { 
  width: 100%; 
  padding: 0.75rem; 
  border: 2px solid var(--border); 
  border-radius: var(--radius-sm); 
  background: var(--bg-secondary);
  transition: var(--transition);
  font-size: 1rem;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

textarea { 
  min-height: 120px; 
  resize: vertical;
}

button, 
.button { 
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff; 
  border: none; 
  padding: 0.75rem 1.5rem; 
  border-radius: var(--radius); 
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

button:hover,
.button:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  background: linear-gradient(135deg, var(--primary-hover), #4f46e5);
}

/* تحسينات الجداول */
table { 
  width: 100%; 
  border-collapse: separate;
  border-spacing: 0;
  background: var(--bg-secondary);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

th, 
td { 
  border: 1px solid var(--border-light); 
  padding: 1rem; 
  text-align: start;
}

th { 
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.875rem;
  letter-spacing: 0.5px;
}

tr:nth-child(even) {
  background: var(--border-light);
}

tr:hover {
  background: rgba(37, 99, 235, 0.05);
}

/* شريط أخبار متحرك محسن */
.ticker { 
  overflow: hidden; 
  white-space: nowrap; 
  border: 1px solid var(--border-light); 
  background: var(--bg-secondary); 
  border-radius: var(--radius); 
  padding: 0.5rem 0;
  box-shadow: var(--shadow);
  margin: 1rem 0;
}

.ticker-inner { 
  display: inline-block; 
  padding: 0.5rem 1rem; 
  animation: tickerMoveLTR 30s linear infinite; 
  will-change: transform;
}

.ticker-item { 
  display: inline-block; 
  margin-inline-start: 2rem; 
  color: var(--primary);
  font-weight: 500;
  background: rgba(37, 99, 235, 0.1);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
}

/* اتجاه الحركة */
.ticker-ltr .ticker-inner { animation-name: tickerMoveLTR; }
.ticker-rtl .ticker-inner { animation-name: tickerMoveRTL; }

@keyframes tickerMoveLTR { 
  from { transform: translateX(-100%); } 
  to { transform: translateX(100%); } 
}

@keyframes tickerMoveRTL { 
  from { transform: translateX(100%); } 
  to { transform: translateX(-100%); } 
}

@media (prefers-reduced-motion: reduce) { 
  .ticker-inner { animation: none; } 
}

/* محتوى البلوكات */
.block-item { 
  margin: 1rem 0; 
  padding: 1rem;
  background: var(--bg-secondary);
  border-radius: var(--radius);
  border-left: 4px solid var(--primary);
}

.block-content { 
  line-height: 1.8; 
  overflow-wrap: anywhere;
  color: var(--text-primary);
}

.block-item h5 {
  color: var(--primary);
  margin-bottom: 0.5rem;
  font-weight: 600;
}

img, iframe { 
  max-width: 100%; 
  height: auto; 
  border-radius: var(--radius-sm);
}

/* فئات مساعدة */
.muted { 
  color: var(--text-secondary); 
  font-size: 0.9rem; 
}

.error { 
  background: rgba(239, 68, 68, 0.1); 
  color: var(--danger); 
  padding: 1rem; 
  border-radius: var(--radius);
  border: 1px solid rgba(239, 68, 68, 0.2);
  margin: 1rem 0;
}

.success { 
  background: rgba(16, 185, 129, 0.1); 
  color: var(--success); 
  padding: 1rem; 
  border-radius: var(--radius);
  border: 1px solid rgba(16, 185, 129, 0.2);
  margin: 1rem 0;
}

.warning {
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning);
  padding: 1rem;
  border-radius: var(--radius);
  border: 1px solid rgba(245, 158, 11, 0.2);
  margin: 1rem 0;
}

/* تحسينات الفوتر */
.footer { 
  background: linear-gradient(135deg, #1e293b, #374151);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: auto;
  padding: 2rem 0;
  color: white;
  position: relative;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  position: relative;
}

.container-fluid {
  text-align: center;
  margin-bottom: 1rem;
}

.design-text {
  margin: 0.5rem 0;
  font-size: 1rem;
  line-height: 1.6;
}

.designer-name {
  color: #60a5fa;
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
}

.designer-name:hover {
  color: #93c5fd;
  text-decoration: underline;
}

.mb-0 {
  margin-bottom: 0 !important;
}

.social-links {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  gap: 0.75rem;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  text-decoration: none;
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.social-link:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.position-absolute {
  position: absolute;
}

/* تحسينات استجابة للمحمول */
@media (max-width: 768px) {
  .header-inner { 
    flex-wrap: wrap; 
    gap: 1rem;
    padding: 0.5rem 0;
  }
  
  .main-nav {
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
  }
  
  .main-nav a {
    font-size: 0.9rem;
    padding: 0.4rem 0.6rem;
  }
  
  .brand {
    font-size: 1.2rem;
  }
  
  .brand::before {
    font-size: 1.5rem;
  }
  
  .grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .container {
    padding: 0 0.5rem;
  }
  
  .card {
    padding: 1rem;
    margin: 0.5rem 0;
  }
  
  table {
    font-size: 0.875rem;
  }
  
  th, td {
    padding: 0.5rem;
  }
}

@media (max-width: 480px) {
  .main-nav {
    flex-direction: column;
    align-items: stretch;
  }
  
  .main-nav a {
    text-align: center;
    margin: 0.25rem 0;
  }
  
  .header-inner {
    flex-direction: column;
    text-align: center;
  }
  
  .brand {
    justify-content: center;
  }
}

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

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

.slide-in {
  animation: slideIn 0.4s ease-out;
}

@keyframes slideIn {
  from { transform: translateX(-30px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.pulse {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

/* تحسينات التحميل */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(37, 99, 235, 0.3);
  border-radius: 50%;
  border-top-color: var(--primary);
  animation: spin 1s ease-in-out infinite;
}

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