/* ==========================================================================
   Modern Portal Stylesheet (portal.css)
   Client UI: Student & Teacher Portal
   ========================================================================== */

:root {
  --portal-primary: #4f6eff;
  --portal-primary-hover: #3d5bf6;
  --portal-primary-light: rgba(79, 110, 255, 0.08);
  --portal-primary-glow: rgba(79, 110, 255, 0.25);
  
  --portal-success: #10b981;
  --portal-success-light: #ecfdf5;
  --portal-success-text: #065f46;
  
  --portal-danger: #ef4444;
  --portal-danger-light: #fef2f2;
  --portal-danger-text: #991b1b;
  
  --portal-warning: #f59e0b;
  --portal-warning-light: #fffbeb;
  --portal-warning-text: #92400e;
  
  --portal-info: #0ea5e9;
  --portal-info-light: #f0f9ff;
  --portal-info-text: #075985;
  
  --portal-bg: #f8fafc;
  --portal-surface: #ffffff;
  --portal-border: #e2e8f0;
  --portal-border-subtle: #f1f5f9;
  
  --portal-text-main: #0f172a;
  --portal-text-muted: #64748b;
  --portal-text-light: #94a3b8;
  
  --portal-radius-sm: 8px;
  --portal-radius-md: 12px;
  --portal-radius-lg: 16px;
  --portal-radius-xl: 20px;
  
  --portal-shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --portal-shadow-md: 0 4px 12px -2px rgba(15, 23, 42, 0.06);
  --portal-shadow-lg: 0 12px 32px -4px rgba(15, 23, 42, 0.08);
  --portal-shadow-hover: 0 12px 28px -4px rgba(79, 110, 255, 0.12);
}

/* Base tweaks */
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important;
  background-color: var(--portal-bg) !important;
  color: var(--portal-text-main) !important;
  -webkit-font-smoothing: antialiased;
}

/* Breadcrumb & Page Headers */
.sb-breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 24px;
  background: transparent;
  font-size: 14px;
  font-weight: 500;
  color: var(--portal-text-muted);
}
.sb-breadcrumb i {
  color: var(--portal-primary);
  font-size: 16px;
}
.sb-breadcrumb span {
  color: var(--portal-text-main);
  font-weight: 600;
}

/* Modern Welcome Hero Banner */
.portal-hero-banner {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  border-radius: var(--portal-radius-lg);
  padding: 28px 32px;
  margin-bottom: 24px;
  position: relative;
  overflow: hidden;
  color: #ffffff;
  box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.portal-hero-banner::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -10%;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(79, 110, 255, 0.28) 0%, rgba(79, 110, 255, 0) 70%);
  border-radius: 50%;
  pointer-events: none;
}
.portal-hero-banner::after {
  content: '';
  position: absolute;
  bottom: -40%;
  left: 20%;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.18) 0%, rgba(16, 185, 129, 0) 70%);
  border-radius: 50%;
  pointer-events: none;
}
.portal-hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}
.portal-hero-user {
  display: flex;
  align-items: center;
  gap: 20px;
}
.portal-hero-avatar-wrap {
  position: relative;
  width: 76px;
  height: 76px;
  border-radius: 50%;
  padding: 3px;
  background: linear-gradient(135deg, var(--portal-primary), #38ef7d);
  box-shadow: 0 4px 14px rgba(79, 110, 255, 0.35);
  flex-shrink: 0;
}
.portal-hero-avatar {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  background: #1e293b;
  border: 2px solid #0f172a;
}
.portal-hero-text h2 {
  margin: 0 0 6px;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #ffffff;
}
.portal-hero-text p {
  margin: 0;
  font-size: 13.5px;
  color: #94a3b8;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.portal-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.12);
  color: #f1f5f9;
  backdrop-filter: blur(8px);
}
.portal-chip-primary {
  background: rgba(79, 110, 255, 0.25);
  color: #93c5fd;
}
.portal-chip-success {
  background: rgba(16, 185, 129, 0.25);
  color: #6ee7b7;
}

.portal-hero-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Modern Card Panel */
.portal-card {
  background: var(--portal-surface);
  border-radius: var(--portal-radius-lg);
  border: 1px solid var(--portal-border);
  box-shadow: var(--portal-shadow-md);
  padding: 24px;
  margin-bottom: 24px;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}
.portal-card:hover {
  box-shadow: var(--portal-shadow-lg);
  border-color: #cbd5e1;
}
.portal-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--portal-border-subtle);
}
.portal-card-title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--portal-text-main);
  display: flex;
  align-items: center;
  gap: 10px;
}
.portal-card-title i {
  color: var(--portal-primary);
  font-size: 18px;
}
.portal-card-subtitle {
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--portal-text-muted);
}

/* KPI / Stat Cards */
.portal-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.portal-stat-card {
  background: var(--portal-surface);
  border-radius: var(--portal-radius-md);
  border: 1px solid var(--portal-border);
  padding: 20px;
  box-shadow: var(--portal-shadow-sm);
  display: flex;
  align-items: center;
  gap: 16px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.portal-stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--portal-shadow-md);
}
.portal-stat-icon-wrap {
  width: 50px;
  height: 50px;
  border-radius: var(--portal-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}
.portal-stat-icon-blue { background: var(--portal-primary-light); color: var(--portal-primary); }
.portal-stat-icon-green { background: var(--portal-success-light); color: var(--portal-success); }
.portal-stat-icon-red { background: var(--portal-danger-light); color: var(--portal-danger); }
.portal-stat-icon-amber { background: var(--portal-warning-light); color: var(--portal-warning); }

.portal-stat-details {
  flex: 1;
}
.portal-stat-value {
  font-size: 22px;
  font-weight: 700;
  color: var(--portal-text-main);
  line-height: 1.2;
}
.portal-stat-label {
  font-size: 12.5px;
  color: var(--portal-text-muted);
  margin-top: 4px;
  font-weight: 500;
}

/* Modern Formation Card */
.formation-card-item {
  background: linear-gradient(to right, #f8fafc, #ffffff);
  border: 1px solid var(--portal-border);
  border-left: 4px solid var(--portal-primary);
  border-radius: var(--portal-radius-md);
  padding: 20px;
  margin-bottom: 16px;
  transition: all 0.2s;
}
.formation-card-item:hover {
  box-shadow: var(--portal-shadow-sm);
  border-color: #cbd5e1;
}
.formation-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 8px;
}
.formation-title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--portal-text-main);
}
.formation-type-pill {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 3px 8px;
  border-radius: 6px;
  background: var(--portal-primary-light);
  color: var(--portal-primary);
}

/* Modern Tables */
.portal-table-container {
  overflow-x: auto;
  border-radius: var(--portal-radius-md);
  border: 1px solid var(--portal-border);
}
.portal-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 0;
  font-size: 13.5px;
}
.portal-table th {
  background: #f8fafc;
  color: var(--portal-text-muted);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--portal-border);
  white-space: nowrap;
}
.portal-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--portal-border-subtle);
  color: var(--portal-text-main);
  vertical-align: middle;
}
.portal-table tr:last-child td {
  border-bottom: none;
}
.portal-table tbody tr {
  transition: background-color 0.15s ease;
}
.portal-table tbody tr:hover {
  background-color: #f8fafc;
}

/* Status Badges */
.portal-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.3px;
  white-space: nowrap;
}
.portal-badge-present {
  background: var(--portal-success-light);
  color: var(--portal-success-text);
  border: 1px solid rgba(16, 185, 129, 0.2);
}
.portal-badge-absent {
  background: var(--portal-danger-light);
  color: var(--portal-danger-text);
  border: 1px solid rgba(239, 68, 68, 0.2);
}
.portal-badge-warning {
  background: var(--portal-warning-light);
  color: var(--portal-warning-text);
  border: 1px solid rgba(245, 158, 11, 0.2);
}
.portal-badge-info {
  background: var(--portal-info-light);
  color: var(--portal-info-text);
  border: 1px solid rgba(14, 165, 233, 0.2);
}

.portal-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  display: inline-block;
}
.portal-badge-present .portal-dot { background: var(--portal-success); }
.portal-badge-absent .portal-dot { background: var(--portal-danger); }

/* Modern Form Controls */
.portal-form-group {
  margin-bottom: 20px;
}
.portal-label {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--portal-text-main);
}
.portal-label small {
  font-weight: 400;
  color: var(--portal-text-muted);
}
.portal-input {
  width: 100%;
  height: 44px;
  padding: 10px 14px;
  font-size: 14px;
  font-family: inherit;
  color: var(--portal-text-main);
  background: #ffffff;
  border: 1px solid var(--portal-border);
  border-radius: var(--portal-radius-sm);
  outline: none;
  transition: all 0.2s ease;
  box-sizing: border-box;
}
.portal-input:focus {
  border-color: var(--portal-primary);
  box-shadow: 0 0 0 3px var(--portal-primary-glow);
}
.portal-input:disabled, .portal-input[readonly] {
  background: #f8fafc;
  color: var(--portal-text-muted);
  cursor: not-allowed;
}

.portal-input-group {
  position: relative;
  display: flex;
  align-items: center;
}
.portal-input-group .portal-input {
  padding-right: 42px;
}
.portal-input-icon-btn {
  position: absolute;
  right: 12px;
  background: none;
  border: none;
  color: var(--portal-text-muted);
  cursor: pointer;
  padding: 4px;
  font-size: 14px;
  transition: color 0.15s;
}
.portal-input-icon-btn:hover {
  color: var(--portal-primary);
}

/* Modern Buttons */
.portal-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 20px;
  border-radius: var(--portal-radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  text-decoration: none !important;
}
.portal-btn-primary {
  background: var(--portal-primary);
  color: #ffffff !important;
  box-shadow: 0 4px 12px rgba(79, 110, 255, 0.25);
}
.portal-btn-primary:hover {
  background: var(--portal-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(79, 110, 255, 0.35);
}
.portal-btn-secondary {
  background: #f1f5f9;
  color: var(--portal-text-main) !important;
  border: 1px solid var(--portal-border);
}
.portal-btn-secondary:hover {
  background: #e2e8f0;
}
.portal-btn-block {
  width: 100%;
}

/* Profile Photo Live Preview Component */
.profile-photo-preview-wrap {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 24px;
  padding: 16px;
  background: #f8fafc;
  border-radius: var(--portal-radius-md);
  border: 1px solid var(--portal-border);
}
.profile-photo-preview-img {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid #ffffff;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  flex-shrink: 0;
}
.profile-photo-preview-info h4 {
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 700;
  color: var(--portal-text-main);
}
.profile-photo-preview-info p {
  margin: 0;
  font-size: 12.5px;
  color: var(--portal-text-muted);
}

/* Quick Action Cards */
.quick-action-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: #ffffff;
  border: 1px solid var(--portal-border);
  border-radius: var(--portal-radius-md);
  text-decoration: none !important;
  color: var(--portal-text-main) !important;
  margin-bottom: 12px;
  transition: all 0.2s ease;
}
.quick-action-card:hover {
  border-color: var(--portal-primary);
  background: #f8faff;
  transform: translateX(4px);
  box-shadow: var(--portal-shadow-sm);
}
.quick-action-left {
  display: flex;
  align-items: center;
  gap: 14px;
}
.quick-action-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--portal-radius-sm);
  background: var(--portal-primary-light);
  color: var(--portal-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}
.quick-action-text h4 {
  margin: 0 0 2px;
  font-size: 14px;
  font-weight: 600;
}
.quick-action-text p {
  margin: 0;
  font-size: 12px;
  color: var(--portal-text-muted);
}
.quick-action-arrow {
  color: var(--portal-text-light);
  font-size: 14px;
}
.quick-action-card:hover .quick-action-arrow {
  color: var(--portal-primary);
}

/* Empty State */
.portal-empty-state {
  padding: 40px 20px;
  text-align: center;
}
.portal-empty-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #f1f5f9;
  color: #94a3b8;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 14px;
}
.portal-empty-title {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--portal-text-main);
}
.portal-empty-desc {
  margin: 0;
  font-size: 13px;
  color: var(--portal-text-muted);
}

/* Filter bar */
.portal-filter-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.portal-filter-item {
  flex: 1;
  min-width: 180px;
}

/* RTL Support */
html[dir="rtl"] body,
html[dir="rtl"] input,
html[dir="rtl"] select,
html[dir="rtl"] textarea,
html[dir="rtl"] button {
  font-family: 'Cairo', 'Inter', -apple-system, sans-serif !important;
}

html[dir="rtl"] #app-sidebar {
  left: auto;
  right: 0;
  box-shadow: -4px 0 24px rgba(0, 0, 0, .18);
  transform: translateX(100%);
}
html[dir="rtl"] body.sb-open #app-sidebar {
  transform: translateX(0);
}

@media (min-width: 992px) {
  html[dir="rtl"] body.sb-fixed #app-sidebar {
    transform: translateX(0) !important;
  }
  html[dir="rtl"] body.sb-fixed .sb-main {
    margin-left: 0 !important;
    margin-right: var(--sb-width) !important;
  }
  html[dir="rtl"] body.sb-fixed.sb-collapsed .sb-main {
    margin-left: 0 !important;
    margin-right: 68px !important;
  }
}

html[dir="rtl"] .sb-topbar-right {
  margin-left: 0;
  margin-right: auto;
}
html[dir="rtl"] .topbar-dropdown {
  right: auto;
  left: 0;
}
html[dir="rtl"] .lang-dropdown {
  right: auto;
  left: 0;
}
html[dir="rtl"] #notif-dropdown {
  right: auto !important;
  left: -10px !important;
}

html[dir="rtl"] .portal-card-title i {
  margin-left: 10px;
  margin-right: 0;
}
html[dir="rtl"] .formation-card-item {
  border-left: 1px solid var(--portal-border);
  border-right: 4px solid var(--portal-primary);
}
html[dir="rtl"] .quick-action-card:hover {
  transform: translateX(-4px);
}
html[dir="rtl"] .quick-action-arrow i.fa-arrow-right:before {
  content: "\f060"; /* Left arrow in RTL */
}
html[dir="rtl"] .portal-input-group .portal-input {
  padding-right: 14px;
  padding-left: 42px;
}
html[dir="rtl"] .portal-input-icon-btn {
  right: auto;
  left: 12px;
}
html[dir="rtl"] .portal-table th,
html[dir="rtl"] .portal-table td {
  text-align: right;
}
html[dir="rtl"] .sb-nav .sb-link .sb-icon {
  margin-right: 0;
  margin-left: 12px;
}
html[dir="rtl"] .sb-user {
  flex-direction: row-reverse;
}
html[dir="rtl"] .portal-hero-text p {
  justify-content: flex-start;
}
html[dir="rtl"] .portal-login-input {
  padding: 10px 42px 10px 14px;
}
html[dir="rtl"] .portal-login-icon-left {
  left: auto;
  right: 14px;
}
html[dir="rtl"] .portal-login-btn-toggle {
  right: auto;
  left: 14px;
}
html[dir="rtl"] .portal-login-btn i.fa-arrow-right:before {
  content: "\f060";
}

/* ── Responsive: Tablet & Mobile ─────────────────────────── */
@media (max-width: 768px) {

  /* Hero banner */
  .portal-hero-banner {
    padding: 18px 16px;
    border-radius: 14px;
    margin-bottom: 16px;
  }
  .portal-hero-content {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }
  .portal-hero-user {
    flex-direction: row;
    text-align: left;
    width: 100%;
    gap: 12px;
    align-items: center;
  }
  .portal-hero-avatar-wrap {
    width: 56px;
    height: 56px;
    flex-shrink: 0;
  }
  .portal-hero-text h2 {
    font-size: 17px;
    margin-bottom: 4px;
  }
  .portal-hero-text p {
    font-size: 12px;
    gap: 6px;
    flex-wrap: wrap;
  }
  .portal-chip {
    font-size: 11px;
    padding: 3px 8px;
  }
  .portal-hero-actions {
    width: 100%;
    display: flex;
    flex-direction: row;
    gap: 8px;
  }
  .portal-hero-actions .portal-btn {
    flex: 1;
    font-size: 12px;
    padding: 0 10px;
    height: 38px;
    justify-content: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  /* Stats grid: 2 columns on mobile */
  .portal-stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 16px;
  }
  .portal-stat-card {
    padding: 14px 12px;
    gap: 10px;
    flex-direction: column;
    align-items: flex-start;
  }
  .portal-stat-icon-wrap {
    width: 40px;
    height: 40px;
    font-size: 18px;
  }
  .portal-stat-value {
    font-size: 18px;
  }
  .portal-stat-label {
    font-size: 11px;
  }

  /* Cards */
  .portal-card {
    padding: 14px 12px;
    border-radius: 12px;
    margin-bottom: 14px;
  }
  .portal-card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 14px;
  }
  .portal-card-title {
    font-size: 15px;
  }

  /* Breadcrumb */
  .sb-breadcrumb {
    font-size: 12px;
    padding: 0 0 14px 0;
    gap: 4px;
    flex-wrap: wrap;
  }

  /* Tables: horizontal scroll */
  .portal-table-container {
    border-radius: 10px;
    -webkit-overflow-scrolling: touch;
  }
  .portal-table th,
  .portal-table td {
    padding: 10px 12px;
    font-size: 12.5px;
    white-space: nowrap;
  }

  /* Filter bar: stack vertically */
  .portal-filter-bar {
    flex-direction: column;
    gap: 8px;
  }
  .portal-filter-item {
    min-width: 100%;
  }

  /* Formation cards */
  .formation-card-item {
    padding: 14px;
    border-radius: 10px;
  }
  .formation-card-header {
    flex-direction: column;
    gap: 6px;
  }

  /* Profile photo */
  .profile-photo-preview-wrap {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 12px;
    padding: 14px;
  }

  /* Quick actions */
  .quick-action-card {
    padding: 12px 14px;
  }

  /* Buttons */
  .portal-btn {
    height: 40px;
    font-size: 13px;
  }

  /* Inner page padding */
  .sb-content {
    padding: 12px;
  }
}

/* ── Responsive: Small Mobile (≤ 480px) ──────────────────── */
@media (max-width: 480px) {

  /* Hero: stack avatar + text vertically */
  .portal-hero-user {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .portal-hero-text h2 {
    font-size: 15px;
  }

  /* Hero action buttons: full width stacked */
  .portal-hero-actions {
    flex-direction: column;
    gap: 8px;
  }
  .portal-hero-actions .portal-btn {
    width: 100%;
    flex: unset;
  }

  /* Stats: 1 column on tiny screens */
  .portal-stats-grid {
    grid-template-columns: 1fr 1fr;
  }
  .portal-stat-card {
    flex-direction: row;
    align-items: center;
    padding: 12px;
  }

  /* Notification dropdown width */
  #notif-dropdown {
    width: calc(100vw - 24px) !important;
    right: -60px !important;
  }
}