/* ==========================================
   PREMIUM DASHBOARD THEME - modern-theme.css
   الجامعة التقنية الجنوبية - نظام الجداول
   ========================================== */

@import url("https://fonts.googleapis.com/css2?family=Cairo:wght@400;500;600;700;800;900&display=swap");

/* ── Design Tokens ─────────────────────────── */
:root {
  /* Backgrounds */
  --bg:              #f1f5f9;
  --surface:         #ffffff;
  --surface-alt:     #f8fafc;

  /* Text */
  --text:            #0f172a;
  --text-2:          #334155;
  --text-muted:      #64748b;

  /* Borders */
  --border:          #e2e8f0;
  --border-strong:   #cbd5e1;

  /* Primary (Indigo-Violet) */
  --primary:         #6366f1;
  --primary-hover:   #4f46e5;
  --primary-light:   #818cf8;
  --primary-bg:      rgba(99, 102, 241, 0.08);
  --primary-grad:    linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);

  /* Semantic */
  --success:         #10b981;
  --success-grad:    linear-gradient(135deg, #10b981 0%, #34d399 100%);
  --danger:          #ef4444;
  --danger-grad:     linear-gradient(135deg, #ef4444 0%, #f87171 100%);
  --warning:         #f59e0b;
  --warning-grad:    linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
  --info:            #0ea5e9;
  --info-grad:       linear-gradient(135deg, #0ea5e9 0%, #38bdf8 100%);

  /* Shadows */
  --shadow-xs:       0 1px 2px rgba(0,0,0,.04);
  --shadow-sm:       0 2px 8px rgba(0,0,0,.06);
  --shadow:          0 4px 16px rgba(0,0,0,.08);
  --shadow-md:       0 8px 24px rgba(0,0,0,.10);
  --shadow-lg:       0 16px 40px rgba(0,0,0,.12);
  --shadow-primary:  0 8px 20px rgba(99, 102, 241, .30);
  --shadow-danger:   0 8px 20px rgba(239, 68,  68,  .25);
  --shadow-success:  0 8px 20px rgba(16,  185, 129, .25);

  /* Radius */
  --radius-xs:  6px;
  --radius-sm:  10px;
  --radius:     14px;
  --radius-lg:  20px;
  --radius-xl:  28px;

  /* Animation */
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --duration:    0.25s;
}

/* ── Reset & Base ──────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; font-size: 15px; }

body {
  margin: 0;
  font-family: "Cairo", system-ui, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
a:hover { text-decoration: none; }

:focus-visible {
  outline: 2px solid rgba(99,102,241,.5);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Enforce font everywhere */
body, label, input, select, button, textarea, table {
  font-family: "Cairo", Arial, sans-serif !important;
}

/* ── Utility classes ───────────────────────── */
.u-muted    { color: var(--text-muted) !important; }
.u-hidden   { display: none !important; }
.u-p-12     { padding: 12px !important; }
.u-mt-12    { margin-top: 12px !important; }
.u-mb-8     { margin-bottom: 8px !important; }
.u-mb-12    { margin-bottom: 12px !important; }
.Ayah       { font-family: "Cairo", Arial, sans-serif !important; color: var(--text); }

/* ── Alerts ────────────────────────────────── */
.alert {
  border-radius: var(--radius-sm) !important;
  border: 1px solid var(--border) !important;
  font-weight: 600;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.alert-success { background:#ecfdf5!important; border-color:rgba(16,185,129,.25)!important; color:#065f46; }
.alert-danger  { background:#fef2f2!important; border-color:rgba(239,68,68,.25)!important;  color:#991b1b; }
.alert-warning { background:#fffbeb!important; border-color:rgba(245,158,11,.25)!important; color:#92400e; }
.alert-info    { background:#f0f9ff!important; border-color:rgba(14,165,233,.25)!important; color:#075985; }

/* ── Cards (app-card & Bootstrap) ─────────── */
.app-card,
.panel, .panel.panel-default,
.card {
  background: var(--surface) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius) !important;
  box-shadow: var(--shadow-sm) !important;
  transition: box-shadow var(--duration) var(--ease-out),
              transform  var(--duration) var(--ease-out);
  overflow: hidden;
  padding: 20px;
}
@media (max-width: 768px) {
  .app-card {
    padding: 15px;
    border-radius: var(--radius-sm) !important;
  }
}
.app-card:hover {
  box-shadow: var(--shadow-md) !important;
}
.app-card + .app-card { margin-top: 16px; }

.panel-heading, .card-header {
  background: var(--primary-grad) !important;
  color: #fff !important;
  border: 0 !important;
  font-size: 17px;
  font-weight: 800;
  padding: 14px 20px !important;
  margin: -20px -20px 20px;
  border-radius: var(--radius) var(--radius) 0 0 !important;
}
.panel-body, .card-body { padding: 16px !important; }

/* ── Page title ────────────────────────────── */
.app-page-title {
  margin: 0 0 16px;
  font-size: 20px;
  font-weight: 900;
  letter-spacing: -0.4px;
  color: var(--text);
}

/* ── Action row ────────────────────────────── */
.app-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}
@media (max-width: 640px) {
  .app-actions {
    flex-direction: column;
    width: 100%;
  }
  .app-actions .app-btn {
    width: 100%;
  }
}

/* ── Buttons ───────────────────────────────── */
.btn, input[type="submit"], button, a.btn,
.app-btn,
.dataTables_wrapper .dt-buttons .dt-button,
.dataTables_wrapper .dt-buttons .buttons-excel {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 6px;
  border: none !important;
  border-radius: var(--radius-sm) !important;
  padding: 10px 20px !important;
  font-weight: 700 !important;
  font-family: "Cairo", Arial, sans-serif !important;
  font-size: 14px !important;
  cursor: pointer !important;
  transition: transform var(--duration) var(--ease-out),
              box-shadow var(--duration) var(--ease-out) !important;
  white-space: nowrap;
  text-decoration: none !important;
  line-height: 1.4 !important;
}

.app-btn {
  background: var(--surface) !important;
  border: 1px solid var(--border-strong) !important;
  color: var(--text-2) !important;
  box-shadow: var(--shadow-xs) !important;
}
.app-btn:hover { background: var(--surface-alt) !important; transform: translateY(-1px); box-shadow: var(--shadow-sm) !important; }

/* Primary */
.btn-primary, .app-btn--primary,
input[type="submit"],
.dataTables_wrapper .dt-buttons .buttons-excel,
.dataTables_wrapper .dt-buttons .dt-button {
  margin-top: 1px;;
  background: var(--primary-grad) !important;
  color: #fff !important;
  box-shadow: var(--shadow-primary) !important;
}
.btn-primary:hover, .app-btn--primary:hover, input[type="submit"]:hover {
  transform: translateY(-2px) !important;
  box-shadow: 0 12px 28px rgba(99,102,241,.4) !important;
}

/* Danger */
.btn-danger, .app-btn--danger {
  background: var(--danger-grad) !important;
  color: #fff !important;
  box-shadow: var(--shadow-danger) !important;
}
.btn-danger:hover, .app-btn--danger:hover {
  transform: translateY(-2px) !important;
  box-shadow: 0 12px 28px rgba(239,68,68,.4) !important;
}

/* Success / Warning / Info */
.btn-success, .app-btn--success { background: var(--success-grad) !important; color:#fff!important; box-shadow: var(--shadow-success)!important; }
.btn-warning, .app-btn--warning { background: var(--warning-grad) !important; color:#fff!important; }
.btn-info,    .app-btn--info    { background: var(--info-grad)    !important; color:#fff!important; }
.btn-success:hover,.btn-warning:hover,.btn-info:hover { transform:translateY(-2px)!important; }

/* Icon-only small buttons (for tables) */
.app-btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  border: 1px solid transparent;
  transition: all var(--duration) var(--ease-out);
  font-size: 14px;
  text-decoration: none !important;
}
.app-btn-icon:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

/* Disable generic Bootstrap hover overrides */
.btn:active, input[type="submit"]:active, .app-btn:active { transform: translateY(0) !important; }

/* ── Form controls ─────────────────────────── */
.form-control, select,
input[type="text"], input[type="password"],
input[type="date"], input[type="time"],
input[type="number"], input[type="email"],
textarea {
  min-height: 44px;
  border-radius: var(--radius-sm) !important;
  border: 1px solid var(--border-strong) !important;
  background: var(--surface) !important;
  color: var(--text) !important;
  font-weight: 600;
  font-size: 14px;
  padding: 8px 14px !important;
  transition: border-color var(--duration), box-shadow var(--duration);
  width: 100%;
}
.form-control:focus, select:focus, input:focus, textarea:focus {
  border-color: var(--primary) !important;
  box-shadow: 0 0 0 4px rgba(99,102,241,.14) !important;
  outline: none;
}

/* Responsive Form Grid */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 15px;
  align-items: start;
}
@media (max-width: 500px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}

label {
  font-weight: 700;
  font-size: 13px;
  color: var(--text-2);
  margin-bottom: 6px;
  display: inline-block;
  letter-spacing: 0.2px;
}

/* ── Table overrides ───────────────────────── */
table, .table, table.dataTable {
  width: 100%;
  border-collapse: separate !important;
  border-spacing: 0;
  border-radius: var(--radius-sm) !important;
  overflow: hidden;
  background: var(--surface);
}

/* thead */
.table > thead > tr > th,
table.dataTable thead th,
#examTable th, #customers th {
  background: #0f172a !important;
  color: #f1f5f9 !important;
  border: none !important;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.3px;
  padding: 14px 16px !important;
  white-space: nowrap;
}

/* tbody cells */
.table > tbody > tr > td,
table.dataTable tbody td,
#examTable td, #customers td {
  border-top: none !important;
  border-bottom: 1px solid var(--border) !important;
  background: var(--surface);
  padding: 14px 16px !important;
  font-weight: 600;
  font-size: 14px;
  vertical-align: middle;
  color: var(--text);
  transition: background var(--duration);
}

@media (max-width: 768px) {
  .table > thead > tr > th,
  table.dataTable thead th {
    padding: 10px 8px !important;
    font-size: 12px;
  }
  .table > tbody > tr > td,
  table.dataTable tbody td {
    padding: 10px 8px !important;
    font-size: 13px;
  }
}

/* Striped */
.table-striped > tbody > tr:nth-of-type(odd) > td {
  background: #fafbfc !important;
}

/* Hover */
tr:hover td,
table.dataTable tbody tr:hover td {
  background: #eef2ff !important;
}

/* Remove side borders from table-bordered for cleaner look */
.table-bordered th, .table-bordered td {
  border-left: none !important;
  border-right: none !important;
}

/* ── DataTables toolbar ─────────────────────── */
.dataTables_wrapper { padding: 0 !important; }
.dataTables_wrapper .row { margin: 0 !important; align-items: center; }
.dataTables_wrapper .dataTables_filter input,
.dataTables_wrapper .dataTables_length select {
  border-radius: var(--radius-sm) !important;
  border: 1px solid var(--border-strong) !important;
  min-height: 38px;
  padding: 6px 12px !important;
}
.dataTables_wrapper .dataTables_paginate .paginate_button {
  border-radius: var(--radius-xs) !important;
  border: none !important;
  font-weight: 700 !important;
  font-family: "Cairo" !important;
  padding: 6px 12px !important;
  transition: all var(--duration);
}
.dataTables_wrapper .dataTables_paginate .paginate_button.current {
  background: var(--primary-grad) !important;
  color: #fff !important;
  box-shadow: var(--shadow-xs);
}
.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
  background: var(--primary-bg) !important;
  color: var(--primary) !important;
}
.dataTables_wrapper .dataTables_filter,
.dataTables_wrapper .dataTables_length,
.dataTables_wrapper .dataTables_info,
.dataTables_wrapper .dataTables_paginate {
  padding: 8px 0 !important;
  margin: 0 !important;
}

/* DataTables Responsive Layout */
.dataTables_wrapper .dt-buttons {
  float: right;
  margin-bottom: 10px;
}
.dataTables_wrapper .dataTables_filter {
  float: left;
  margin-bottom: 10px;
}

@media (max-width: 768px) {
  .dataTables_wrapper .dt-buttons,
  .dataTables_wrapper .dataTables_filter {
    float: none !important;
    text-align: center !important;
    width: 100% !important;
    display: block !important;
  }
  .dataTables_wrapper .dataTables_filter input {
    width: 100% !important;
    margin: 10px 0 0 0 !important;
  }
  .dt-buttons .btn, .dt-buttons .dt-button {
    width: 100% !important;
    margin-bottom: 5px !important;
  }
}
#examTable, table.dataTable { margin: 0 !important; }

/* ── Modal ─────────────────────────────────── */
.ui-modal-overlay {
  position: fixed; inset: 0;
  background: rgba(15,23,42,.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: none; align-items: center; justify-content: center;
  padding: 16px; z-index: 2000;
}
.ui-modal-overlay.is-open { display: flex; }
.ui-modal {
  width: min(960px, 100%);
  max-height: calc(100vh - 40px);
  overflow: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  animation: modalIn .3s var(--ease-spring) both;
}
@keyframes modalIn {
  from { opacity: 0; transform: translateY(24px) scale(.97); }
  to   { opacity: 1; transform: none; }
}
.ui-modal__header {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-alt);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.ui-modal__title { margin: 0; font-weight: 800; font-size: 17px; }
.ui-modal__close {
  border: 1px solid var(--border); background: var(--surface);
  border-radius: var(--radius-xs); height: 36px; width: 36px;
  cursor: pointer; font-size: 18px; color: var(--text-muted);
  display: flex; align-items: center; justify-content: center;
  transition: all var(--duration);
}
.ui-modal__close:hover { background: #fee2e2; color: var(--danger); border-color: transparent; }
.ui-modal__body { padding: 22px; }
.ui-modal .form-actions {
  position: sticky; bottom: 0;
  background: var(--surface); border-top: 1px solid var(--border);
  padding: 14px 0 0; margin-top: 16px;
}

/* ── Navbar (Bootstrap) ────────────────────── */
.navbar {
  border: 1px solid var(--border) !important;
  border-radius: var(--radius) !important;
  background: var(--surface) !important;
  box-shadow: var(--shadow-sm) !important;
  padding: 8px 16px !important;
}
.navbar .nav-link {
  border-radius: var(--radius-sm);
  font-weight: 700;
  transition: all var(--duration);
  padding: 8px 16px !important;
}
.navbar .nav-link:hover { background: var(--primary-bg); color: var(--primary) !important; }

/* ── Bootstrap legacy spacing resets ───────── */
.container { width: min(1200px, 100%); margin-top: 0 !important; }
.container, .container-fluid { position: relative; }
.app-main .container { width: 100% !important; max-width: none !important; margin-top: 0 !important; padding: 0 !important; }
.mt-5 { margin-top: 16px !important; }
.mb-5 { margin-bottom: 16px !important; }
.py-5 { padding-top: 16px !important; padding-bottom: 16px !important; }
.my-5 { margin-top: 16px !important; margin-bottom: 16px !important; }
.app-main hr { margin: 12px 0; border-top: 1px solid var(--border); }
hr { border-top: 1px solid var(--border); }
.container br { line-height: 0; }
#filterdiv { padding: 16px; }

/* ── panel images ──────────────────────────── */
img.img-responsive, img.center-block, img[alt=""] {
  border-radius: var(--radius-sm);
  box-shadow: none !important;
}

/* ── Select2 ───────────────────────────────── */
.select2-container--default .select2-selection--single {
  border: 1px solid var(--border-strong) !important;
  border-radius: var(--radius-sm) !important;
  height: 44px !important;
  padding: 4px 12px !important;
  font-family: "Cairo" !important;
}
.select2-container--default .select2-selection--single .select2-selection__rendered {
  line-height: 36px !important;
  color: var(--text) !important;
  font-weight: 600 !important;
}
.select2-container--default .select2-selection--single .select2-selection__arrow {
  height: 42px !important;
}
.select2-dropdown {
  border: 1px solid var(--border-strong) !important;
  border-radius: var(--radius-sm) !important;
  box-shadow: var(--shadow-md) !important;
  font-family: "Cairo" !important;
}

/* ── Entrance animation ─────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: none; }
}
.app-card { animation: fadeInUp .4s var(--ease-out) both; }

/* ── Responsive tweaks ─────────────────────── */
@media (max-width: 768px) {
  .app-page-title { font-size: 17px; }
  .app-actions { flex-direction: column; }
  .panel-body, .card-body { padding: 14px !important; }
  
  /* Stack table action buttons vertically if space is tight */
  .table td div[style*="display: flex"] {
    flex-direction: column;
    gap: 4px !important;
  }
  .table td .app-btn {
    width: 100%;
    padding: 6px 8px !important;
    font-size: 12px !important;
  }
}

/* Extra small screens */
@media (max-width: 480px) {
  html { font-size: 14px; }
  .app-card { padding: 12px; }
  .app-topbar { padding: 0 12px; }
  .app-main { padding: 12px; }
  
  /* Make table-responsive more robust */
  .table-responsive {
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    margin-bottom: 15px;
  }
}