:root {
  --bg: #0f172a;
  --surface: #1e293b;
  --surface-2: #334155;
  --border: #475569;
  --text: #f1f5f9;
  --muted: #94a3b8;
  --primary: #3b82f6;
  --primary-dark: #2563eb;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #06b6d4;
  --radius: 12px;
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
}

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

body {
  font-family: 'Inter', 'Noto Sans Devanagari', system-ui, sans-serif;
  background: linear-gradient(160deg, #0f172a 0%, #1e3a5f 45%, #0f172a 100%);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px 20px 64px;
}

header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  padding: 20px 24px;
  background: rgba(30, 41, 59, 0.85);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow);
}

.brand h1 { font-size: 1.35rem; font-weight: 700; letter-spacing: -0.02em; }
.brand p { color: var(--muted); font-size: 0.88rem; margin-top: 4px; }

.top-nav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.nav-link {
  color: var(--muted);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.2s ease;
}

.nav-link:hover { color: #fff; border-color: var(--border); }
.nav-link.active { background: var(--primary); color: #fff; border-color: var(--primary-dark); }

.lang-switch { display: flex; gap: 8px; flex-wrap: wrap; }

.lang-btn {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.2s ease;
}

.lang-btn:hover { border-color: var(--primary); color: #fff; }
.lang-btn.active { background: var(--primary); border-color: var(--primary-dark); color: #fff; }

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: rgba(30, 41, 59, 0.9);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  text-align: center;
}

.stat-card .num { font-size: 1.75rem; font-weight: 700; color: var(--primary); }
.stat-card .num.success { color: var(--success); }
.stat-card .num.danger { color: var(--danger); }
.stat-card .num.warning { color: var(--warning); }
.stat-card .label { color: var(--muted); font-size: 0.82rem; margin-top: 4px; }

.panel {
  background: rgba(30, 41, 59, 0.9);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.panel-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.split-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 20px;
  align-items: start;
}

@media (max-width: 900px) {
  .split-layout { grid-template-columns: 1fr; }
}

.search-box {
  width: 100%;
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  margin-bottom: 12px;
  font-size: 0.9rem;
}

.search-box:focus {
  outline: none;
  border-color: var(--primary);
}

.employee-list {
  max-height: 520px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.employee-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  text-align: left;
  transition: all 0.15s ease;
  color: var(--text);
}

.employee-item:hover { border-color: var(--primary); }
.employee-item.active {
  border-color: var(--primary);
  background: rgba(59, 130, 246, 0.15);
  box-shadow: 0 0 0 1px var(--primary);
}

.employee-item .emp-name { font-weight: 600; font-size: 0.95rem; }
.employee-item .emp-meta { font-size: 0.78rem; color: var(--muted); }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  background: var(--surface-2);
  color: var(--muted);
}

.badge.success { background: rgba(34, 197, 94, 0.2); color: var(--success); }
.badge.danger { background: rgba(239, 68, 68, 0.2); color: var(--danger); }
.badge.warning { background: rgba(245, 158, 11, 0.2); color: var(--warning); }
.badge.primary { background: rgba(59, 130, 246, 0.2); color: var(--primary); }

.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--muted);
}

.empty-state .icon { font-size: 2.5rem; margin-bottom: 12px; opacity: 0.5; }

.form-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.form-header h2 { font-size: 1.15rem; }

.quiz-question {
  margin-bottom: 20px;
  padding: 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
}

.quiz-question .q-text {
  font-weight: 600;
  margin-bottom: 12px;
}

.quiz-options label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  margin-bottom: 8px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s;
}

.quiz-options label:hover { background: var(--surface-2); }
.quiz-options input { margin-top: 4px; accent-color: var(--primary); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 8px;
  border: none;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-outline:hover { border-color: var(--primary); color: #fff; }

.form-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.alert {
  padding: 14px 16px;
  border-radius: 10px;
  margin-bottom: 16px;
  font-size: 0.9rem;
}

.alert-success { background: rgba(34, 197, 94, 0.15); border: 1px solid var(--success); color: #86efac; }
.alert-danger { background: rgba(239, 68, 68, 0.15); border: 1px solid var(--danger); color: #fca5a5; }
.alert-info { background: rgba(6, 182, 212, 0.15); border: 1px solid var(--info); color: #67e8f9; }
.alert.hidden { display: none; }

.table-wrap { overflow-x: auto; }

table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

table.data-table th,
table.data-table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

table.data-table th {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

table.data-table tbody tr:hover { background: rgba(51, 65, 85, 0.4); }

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.filter-bar select {
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-size: 0.88rem;
}

footer {
  margin-top: 32px;
  text-align: center;
  color: var(--muted);
  font-size: 0.82rem;
}

/* ——— Unified app shell (sidebar menu) ——— */
body.portal-app {
  display: flex;
  min-height: 100vh;
}

.portal-shell {
  display: contents;
}

.portal-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 260px;
  height: 100vh;
  background: rgba(15, 23, 42, 0.98);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 200;
  padding: 20px 16px;
  overflow-y: auto;
}

.portal-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 8px 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}

.portal-brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), #6366f1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  color: #fff;
  flex-shrink: 0;
}

.portal-brand-title {
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.3;
}

.portal-brand-sub {
  font-size: 0.72rem;
  color: var(--muted);
  margin-top: 2px;
}

.portal-menu {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.portal-menu-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 10px;
  text-decoration: none;
  color: var(--text);
  border: 1px solid transparent;
  transition: all 0.15s ease;
}

.portal-menu-item:hover {
  background: rgba(51, 65, 85, 0.5);
  border-color: var(--border);
}

.portal-menu-item.active {
  background: rgba(59, 130, 246, 0.18);
  border-color: var(--primary);
  box-shadow: 0 0 0 1px rgba(59, 130, 246, 0.35);
}

.portal-menu-icon {
  font-size: 1.25rem;
  line-height: 1;
  margin-top: 2px;
}

.portal-menu-label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
}

.portal-menu-desc {
  display: block;
  font-size: 0.72rem;
  color: var(--muted);
  margin-top: 2px;
}

.portal-sidebar-footer {
  padding-top: 16px;
  border-top: 1px solid var(--border);
  margin-top: 8px;
}

.portal-lang-label {
  font-size: 0.72rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.portal-lang-switch {
  width: 100%;
}

.portal-lang-switch .lang-btn {
  flex: 1;
  padding: 8px 6px;
  font-size: 0.78rem;
}

.portal-menu-toggle {
  display: none;
  position: fixed;
  top: 14px;
  left: 14px;
  z-index: 300;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 1.25rem;
  cursor: pointer;
}

.portal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 150;
}

.portal-overlay.open {
  display: block;
}

.container.portal-main {
  margin-left: 260px;
  width: calc(100% - 260px);
  max-width: none;
  padding: 28px 32px 64px;
}

.portal-page-header {
  margin-bottom: 24px;
}

.portal-page-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.portal-page-header p {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 6px;
}

.panel-title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.panel-title-row .panel-title {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}

.btn-sm {
  padding: 8px 14px;
  font-size: 0.82rem;
}

@media (max-width: 900px) {
  .portal-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .portal-sidebar {
    transform: translateX(-100%);
    transition: transform 0.25s ease;
  }

  .portal-sidebar.open {
    transform: translateX(0);
  }

  .container.portal-main {
    margin-left: 0;
    width: 100%;
    padding: 72px 16px 48px;
  }
}

.stat-card .stat-icon {
  font-size: 1.5rem;
  margin-bottom: 6px;
  line-height: 1;
}