/* ==========================================================================
   Base CSS - Educational Center Platform (مِنَصَّة نتائج المركز التعليمي)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Tajawal:wght@400;500;700;800&display=swap');

:root {
  /* Color Palette */
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #eff6ff;
  --secondary: #0f172a;
  --accent: #10b981;
  --accent-light: #ecfdf5;
  
  /* Status Colors */
  --success: #059669;
  --success-bg: #d1fae5;
  --info: #0284c7;
  --info-bg: #e0f2fe;
  --warning: #d97706;
  --warning-bg: #fef3c7;
  --danger: #dc2626;
  --danger-bg: #fee2e2;

  /* Neutral Colors */
  --bg: #f8fafc;
  --surface: #ffffff;
  --border: #e2e8f0;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;

  /* Elevation & Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --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);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  /* Radius & Transitions */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --transition: all 0.2s ease-in-out;
}

/* Reset & Core Setup */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: 'Tajawal', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg);
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--secondary);
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}

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

/* UI Elements */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  outline: none;
  user-select: none;
}

.btn-primary {
  background-color: var(--primary);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.35);
}

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

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

.btn-secondary:hover {
  background-color: var(--bg);
  border-color: var(--text-light);
}

.btn-danger {
  background-color: var(--danger);
  color: #ffffff;
}

.btn-danger:hover {
  background-color: #b91c1c;
}

.btn-sm {
  padding: 0.4rem 0.8rem;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
}

.btn-block {
  width: 100%;
}

/* Forms */
.form-group {
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--secondary);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  font-family: inherit;
  font-size: 1rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  background-color: var(--surface);
  color: var(--text-main);
  transition: var(--transition);
  outline: none;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
}

.badge-success { background-color: var(--success-bg); color: var(--success); }
.badge-info { background-color: var(--info-bg); color: var(--info); }
.badge-warning { background-color: var(--warning-bg); color: var(--warning); }
.badge-danger { background-color: var(--danger-bg); color: var(--danger); }

/* Containers & Cards */
.card {
  background-color: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  padding: 1.5rem;
  transition: var(--transition);
}

/* Toast Notifications */
#toast-container {
  position: fixed;
  bottom: 1.5rem;
  left: 1.5rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast {
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  color: #ffffff;
  font-weight: 700;
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 280px;
}

.toast-success { background-color: var(--success); }
.toast-error { background-color: var(--danger); }
.toast-info { background-color: var(--info); }

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

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
  padding: 1rem;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  background: var(--surface);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 540px;
  box-shadow: var(--shadow-xl);
  transform: translateY(20px);
  transition: var(--transition);
  overflow: hidden;
}

.modal-overlay.active .modal {
  transform: translateY(0);
}

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  padding: 1.25rem 1.5rem;
  background-color: var(--bg);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
}