/* ============================================
   Zivra Admin Dashboard — CSS
   ============================================ */

:root {
  --primary: #6C63FF;
  --primary-dark: #5A52D5;
  --primary-light: #8B85FF;
  --secondary: #00BFA6;
  --bg: #F5F7FB;
  --bg-card: #FFFFFF;
  --text: #1E293B;
  --text-secondary: #64748B;
  --text-muted: #94A3B8;
  --border: #E2E8F0;
  --sidebar-bg: #1E293B;
  --sidebar-text: #CBD5E1;
  --sidebar-active: var(--primary);
  --error: #EF4444;
  --success: #22C55E;
  --warning: #F59E0B;
  --info: #3B82F6;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
  --transition: 0.2s ease;
  --font: 'Tajawal', sans-serif;
  --sidebar-width: 260px;
}

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
}

/* ─── Login Screen ─────────────────────────── */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  padding: 20px;
}

.login-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 48px 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-lg);
}

.login-logo {
  text-align: center;
  margin-bottom: 32px;
}

.login-logo i {
  font-size: 48px;
  color: var(--primary);
}

.login-logo h1 {
  font-size: 28px;
  font-weight: 700;
  margin-top: 8px;
  color: var(--text);
}

.login-logo p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-top: 4px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  color: var(--text);
  font-size: 13px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
  transition: border var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--primary);
}

.form-error {
  color: var(--error);
  font-size: 13px;
  margin-bottom: 12px;
  padding: 8px 12px;
  background: #FEF2F2;
  border-radius: var(--radius-sm);
}

/* ─── Buttons ──────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover { background: var(--primary-dark); }

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

.btn-danger:hover { background: #DC2626; }

.btn-success {
  background: var(--success);
  color: #fff;
}

.btn-success:hover { background: #16A34A; }

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--text);
}

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

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

.btn-block { width: 100%; justify-content: center; }

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ─── Admin Layout ─────────────────────────── */
.admin-layout {
  display: flex;
  min-height: 100vh;
}

/* ─── Sidebar ──────────────────────────────── */
.sidebar {
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 100;
  transition: transform var(--transition);
}

.sidebar-header {
  padding: 24px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-header i {
  font-size: 28px;
  color: var(--primary-light);
}

.sidebar-header span {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  color: var(--sidebar-text);
  text-decoration: none;
  transition: all var(--transition);
  margin-bottom: 4px;
  font-size: 14px;
}

.nav-item:hover {
  background: rgba(255,255,255,0.06);
  color: #fff;
}

.nav-item.active {
  background: var(--sidebar-active);
  color: #fff;
  font-weight: 500;
}

.nav-item i { font-size: 20px; }

.sidebar-footer {
  padding: 16px 12px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.btn-logout {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 12px 16px;
  background: none;
  border: none;
  color: var(--sidebar-text);
  cursor: pointer;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 14px;
  transition: all var(--transition);
}

.btn-logout:hover {
  background: rgba(239,68,68,0.15);
  color: var(--error);
}

/* ─── Main Content ─────────────────────────── */
.main-content {
  flex: 1;
  margin-right: var(--sidebar-width);
  display: flex;
  flex-direction: column;
}

.topbar {
  background: var(--bg-card);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar h2 {
  font-size: 18px;
  font-weight: 700;
  flex: 1;
}

.sidebar-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  color: var(--text);
}

.admin-name {
  font-size: 13px;
  color: var(--text-secondary);
}

.page-container {
  padding: 24px;
  flex: 1;
}

/* ─── Cards & Widgets ──────────────────────── */
.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  margin-bottom: 20px;
}

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

.card-header h3 {
  font-size: 16px;
  font-weight: 600;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.stat-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.stat-icon.blue { background: #EFF6FF; color: var(--info); }
.stat-icon.green { background: #F0FDF4; color: var(--success); }
.stat-icon.orange { background: #FFFBEB; color: var(--warning); }
.stat-icon.purple { background: #F5F3FF; color: var(--primary); }
.stat-icon.red { background: #FEF2F2; color: var(--error); }

.stat-info h4 {
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
}

.stat-info p {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* ─── Tables ───────────────────────────────── */
.table-wrapper {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

table th,
table td {
  padding: 12px 16px;
  text-align: right;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}

table th {
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

table tr:hover td {
  background: #F8FAFC;
}

/* ─── Badges ───────────────────────────────── */
.badge {
  display: inline-flex;
  padding: 3px 10px;
  border-radius: 50px;
  font-size: 11px;
  font-weight: 500;
}

.badge-success { background: #F0FDF4; color: #16A34A; }
.badge-danger { background: #FEF2F2; color: #DC2626; }
.badge-warning { background: #FFFBEB; color: #D97706; }
.badge-info { background: #EFF6FF; color: #2563EB; }
.badge-muted { background: #F1F5F9; color: #64748B; }

/* ─── Pagination ───────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
}

.pagination button {
  padding: 6px 14px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  cursor: pointer;
  font-size: 13px;
  transition: all var(--transition);
}

.pagination button.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.pagination button:hover:not(.active) {
  border-color: var(--primary);
  color: var(--primary);
}

/* ─── Modal ────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 20px;
}

.modal {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 24px;
  width: 100%;
  max-width: 480px;
  box-shadow: var(--shadow-lg);
}

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

.modal-header h3 { font-size: 16px; font-weight: 600; }

.modal-close {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--text-muted);
}

.modal-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-start;
  margin-top: 20px;
}

/* ─── Empty State ──────────────────────────── */
.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-muted);
}

.empty-state i {
  font-size: 48px;
  margin-bottom: 12px;
}

.empty-state p { font-size: 14px; }

/* ─── Loading ──────────────────────────────── */
.spinner {
  display: inline-block;
  width: 32px;
  height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.loading-center {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
}

/* ─── Toast ────────────────────────────────── */
.toast-container {
  position: fixed;
  top: 20px;
  left: 20px;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-family: var(--font);
  color: #fff;
  box-shadow: var(--shadow-lg);
  animation: slideIn 0.3s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

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

@keyframes slideIn {
  from { opacity: 0; transform: translateX(-20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ─── Search Bar ───────────────────────────── */
.search-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
}

.search-bar input {
  flex: 1;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 14px;
  outline: none;
  background: var(--bg-card);
}

.search-bar input:focus { border-color: var(--primary); }

/* ─── Filter Tabs ──────────────────────────── */
.filter-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.filter-tab {
  padding: 6px 16px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  border-radius: 50px;
  font-family: var(--font);
  font-size: 13px;
  cursor: pointer;
  transition: all var(--transition);
}

.filter-tab.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.filter-tab:hover:not(.active) {
  border-color: var(--primary);
  color: var(--primary);
}

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

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

  .sidebar-toggle { display: block; }

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

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

  .page-container { padding: 16px; }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .login-card { padding: 32px 24px; }
}