/* ============================================================
   WKB-GIM — Main Stylesheet
   Color: #1e3a5f (primary), #f97316 (accent), #ffffff (bg)
   ============================================================ */

:root {
  --primary: #1e3a5f;
  --primary-light: #2d5088;
  --primary-dark: #142947;
  --accent: #f97316;
  --accent-hover: #ea6c10;
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --success: #16a34a;
  --success-bg: #dcfce7;
  --danger: #dc2626;
  --danger-bg: #fee2e2;
  --warning: #d97706;
  --warning-bg: #fef3c7;
  --info: #0284c7;
  --info-bg: #e0f2fe;
  --sidebar-width: 240px;
  --header-height: 60px;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
  --transition: 0.2s ease;
}

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

html { font-size: 14px; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--gray-100);
  color: var(--gray-800);
  line-height: 1.5;
}

/* ─── LOGIN PAGE ──────────────────────────────────── */
.login-body {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.login-container { width: 100%; max-width: 420px; }

.login-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
}

.login-logo {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.logo-icon svg { width: 48px; height: 48px; }

.login-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.02em;
}

.login-subtitle {
  font-size: 0.8rem;
  color: var(--gray-500);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.login-divider {
  height: 1px;
  background: var(--gray-200);
  margin-bottom: 1.5rem;
}

.login-desc {
  color: var(--gray-600);
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

.btn-google {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.75rem 1.25rem;
  background: var(--white);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gray-700);
  cursor: pointer;
  transition: all var(--transition);
}

.btn-google:hover {
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: var(--shadow-md);
}

.login-note {
  text-align: center;
  font-size: 0.78rem;
  color: var(--gray-400);
  margin-top: 1rem;
}

.login-error {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  background: var(--danger-bg);
  color: var(--danger);
  border-radius: var(--radius);
  font-size: 0.85rem;
  border-left: 3px solid var(--danger);
}

/* ─── APP LAYOUT ──────────────────────────────────── */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* ─── SIDEBAR ─────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-width);
  background: var(--primary);
  color: var(--white);
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: transform var(--transition);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.25rem 1.25rem 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-logo svg { width: 36px; height: 36px; flex-shrink: 0; }

.brand-name {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
  line-height: 1.1;
}

.brand-sub {
  font-size: 0.68rem;
  color: rgba(255,255,255,0.55);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.sidebar-nav {
  flex: 1;
  padding: 0.75rem 0.75rem;
  overflow-y: auto;
}

.nav-section {
  margin-bottom: 0.25rem;
}

.nav-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.4);
  padding: 0.5rem 0.5rem 0.25rem;
  font-weight: 600;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius);
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}

.nav-item:hover {
  background: rgba(255,255,255,0.1);
  color: var(--white);
}

.nav-item.active {
  background: var(--accent);
  color: var(--white);
}

.nav-item svg { width: 18px; height: 18px; flex-shrink: 0; }

.sidebar-footer {
  padding: 0.75rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.5rem 0.5rem;
  margin-bottom: 0.5rem;
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
  flex-shrink: 0;
}

.user-name {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--white);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-role {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.btn-logout {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.08);
  border: none;
  color: rgba(255,255,255,0.7);
  font-size: 0.82rem;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-logout:hover {
  background: rgba(239, 68, 68, 0.2);
  color: #fca5a5;
}

/* ─── MAIN CONTENT ────────────────────────────────── */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.page-header {
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  padding: 0 1.5rem;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}

.page-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
}

.page-actions {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.page-body {
  padding: 1.5rem;
  flex: 1;
}

/* ─── BUTTONS ─────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn svg { width: 16px; height: 16px; }

.btn-primary {
  background: var(--accent);
  color: var(--white);
}
.btn-primary:hover { background: var(--accent-hover); box-shadow: var(--shadow-md); }

.btn-secondary {
  background: var(--primary);
  color: var(--white);
}
.btn-secondary:hover { background: var(--primary-light); }

.btn-outline {
  background: var(--white);
  color: var(--gray-700);
  border: 1px solid var(--gray-300);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }

.btn-danger {
  background: var(--danger);
  color: var(--white);
}
.btn-danger:hover { background: #b91c1c; }

.btn-sm {
  padding: 0.3rem 0.65rem;
  font-size: 0.78rem;
}

.btn-icon {
  padding: 0.4rem;
  background: none;
  border: 1px solid var(--gray-200);
  color: var(--gray-500);
  border-radius: var(--radius);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}
.btn-icon:hover { border-color: var(--primary); color: var(--primary); }
.btn-icon svg { width: 15px; height: 15px; }

/* ─── CARDS ───────────────────────────────────────── */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-200);
}

.card-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.card-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary);
}

.card-body { padding: 1.25rem; }

/* ─── STAT CARDS ──────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-200);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--accent);
}

.stat-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gray-500);
  margin-bottom: 0.5rem;
}

.stat-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
}

.stat-sub {
  font-size: 0.75rem;
  color: var(--gray-400);
  margin-top: 0.25rem;
}

.stat-icon {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-200);
}
.stat-icon svg { width: 40px; height: 40px; }

/* ─── TABLE ───────────────────────────────────────── */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

thead th {
  background: var(--primary);
  color: var(--white);
  padding: 0.6rem 0.75rem;
  text-align: left;
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
  position: sticky;
  top: 0;
}

tbody tr:nth-child(even) { background: var(--gray-50); }
tbody tr:hover { background: #eff6ff !important; }

tbody td {
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--gray-100);
  vertical-align: middle;
}

tbody tr:last-child td { border-bottom: none; }

.td-actions {
  display: flex;
  gap: 0.3rem;
  white-space: nowrap;
}

/* ─── FORM ────────────────────────────────────────── */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.form-group.full { grid-column: 1 / -1; }

label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--gray-600);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

input, select, textarea {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-family: inherit;
  color: var(--gray-800);
  background: var(--white);
  transition: border-color var(--transition);
  width: 100%;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(30,58,95,0.08);
}

textarea { resize: vertical; min-height: 80px; }

.filter-row {
  display: flex;
  gap: 0.625rem;
  align-items: flex-end;
  flex-wrap: wrap;
  padding: 1rem 1.25rem;
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  min-width: 140px;
}

.filter-group label {
  font-size: 0.7rem;
}

.filter-group input, .filter-group select {
  padding: 0.4rem 0.6rem;
  font-size: 0.8rem;
}

/* ─── MODAL ───────────────────────────────────────── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal {
  background: var(--white);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 700px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
}

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
}

.modal-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--gray-400);
  padding: 0.25rem;
  border-radius: var(--radius);
  transition: color var(--transition);
}
.modal-close:hover { color: var(--danger); }
.modal-close svg { width: 20px; height: 20px; }

.modal-body {
  padding: 1.5rem;
  overflow-y: auto;
}

.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--gray-200);
  display: flex;
  justify-content: flex-end;
  gap: 0.625rem;
}

/* ─── BADGE / TAG ─────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-admin { background: #dbeafe; color: #1d4ed8; }
.badge-staff { background: var(--gray-100); color: var(--gray-600); }
.badge-active { background: var(--success-bg); color: var(--success); }
.badge-inactive { background: var(--danger-bg); color: var(--danger); }

/* ─── CHECKBOX TOGGLE ─────────────────────────────── */
.toggle-check {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--accent);
}

/* ─── ALERT ───────────────────────────────────────── */
.alert {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.85rem;
  border-left: 3px solid;
  margin-bottom: 1rem;
}
.alert-success { background: var(--success-bg); color: var(--success); border-color: var(--success); }
.alert-danger { background: var(--danger-bg); color: var(--danger); border-color: var(--danger); }
.alert-warning { background: var(--warning-bg); color: var(--warning); border-color: var(--warning); }
.alert-info { background: var(--info-bg); color: var(--info); border-color: var(--info); }

/* ─── LOADING ─────────────────────────────────────── */
.loading-overlay {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem;
  color: var(--gray-400);
  flex-direction: column;
  gap: 0.75rem;
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--gray-200);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ─── EMPTY STATE ─────────────────────────────────── */
.empty-state {
  padding: 3rem 1.5rem;
  text-align: center;
  color: var(--gray-400);
}
.empty-state svg { width: 48px; height: 48px; margin-bottom: 0.75rem; opacity: 0.4; }
.empty-state p { font-size: 0.875rem; }

/* ─── TOAST ───────────────────────────────────────── */
#toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  background: var(--gray-800);
  color: var(--white);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  animation: slideIn 0.25s ease;
  max-width: 320px;
}

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

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ─── CHART ───────────────────────────────────────── */
.chart-container {
  position: relative;
  width: 100%;
  height: 280px;
}

/* ─── HIDDEN ──────────────────────────────────────── */
.hidden { display: none !important; }
.col-hidden { display: none; }

/* ─── PAGINATION ──────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  border-top: 1px solid var(--gray-200);
  font-size: 0.8rem;
  color: var(--gray-500);
}

.pagination-btns {
  display: flex;
  gap: 0.3rem;
}

.page-btn {
  padding: 0.3rem 0.6rem;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  background: var(--white);
  cursor: pointer;
  font-size: 0.78rem;
  transition: all var(--transition);
}
.page-btn:hover, .page-btn.active { background: var(--primary); color: var(--white); border-color: var(--primary); }
.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ─── MOBILE TOGGLE ───────────────────────────────── */
.mobile-menu-btn {
  display: none;
  padding: 0.4rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--gray-600);
}
.mobile-menu-btn svg { width: 22px; height: 22px; }

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 99;
}

/* ─── AUTOCOMPLETE ────────────────────────────────── */
.autocomplete-list {
  position: absolute;
  top: 100%;
  left: 0; right: 0;
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  z-index: 150;
  max-height: 180px;
  overflow-y: auto;
  margin-top: 2px;
}

.autocomplete-item {
  padding: 0.5rem 0.75rem;
  cursor: pointer;
  font-size: 0.85rem;
  transition: background var(--transition);
}
.autocomplete-item:hover { background: var(--gray-50); }

.autocomplete-wrap { position: relative; }

/* ─── RESPONSIVE ──────────────────────────────────── */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

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

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

  .mobile-menu-btn { display: flex; }

  .main-content { margin-left: 0; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }

  .page-body { padding: 1rem; }

  .filter-row { flex-direction: column; }

  .filter-group { min-width: 100%; }

  .form-grid { grid-template-columns: 1fr; }

  .modal { max-height: 95vh; }

  .table-wrapper { font-size: 0.76rem; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-value { font-size: 1.4rem; }
}