/* =====================================================
 * Staff Portal Custom Styles
 * Giao diện riêng cho nhân viên - Đẹp hơn, chuyên nghiệp hơn
 * ===================================================== */

/* Override login page */
.login-container {
  background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #0f172a 100%);
}

.login-box {
  background: rgba(30, 41, 59, 0.95);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(99, 102, 241, 0.2);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5), 0 0 100px rgba(99, 102, 241, 0.1);
  border-radius: 20px;
  padding: 40px;
}

.login-logo {
  text-align: center;
  margin-bottom: 30px;
}

.login-logo i {
  font-size: 48px;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.login-logo h1 {
  font-size: 24px;
  background: linear-gradient(135deg, #6366f1, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-top: 10px;
}

/* Override sidebar */
.sidebar {
  background: linear-gradient(180deg, #0f172a 0%, #1e1b4b 100%);
  border-right: 1px solid rgba(99, 102, 241, 0.15);
}

.sidebar-header {
  padding: 20px;
  border-bottom: 1px solid rgba(99, 102, 241, 0.15);
}

.sidebar-header h2 {
  font-size: 18px;
  background: linear-gradient(135deg, #6366f1, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sidebar-header h2 i {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-right: 8px;
}

.menu-item {
  margin: 2px 8px;
  padding: 10px 16px;
  border-radius: 10px;
  transition: all 0.25s ease;
  color: #94a3b8;
  font-size: 13.5px;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}

.menu-item:hover {
  background: rgba(99, 102, 241, 0.1);
  color: #c7d2fe;
  transform: translateX(2px);
}

.menu-item.active {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.15));
  color: #a5b4fc;
  font-weight: 600;
  border-left: 3px solid #6366f1;
  box-shadow: 0 2px 10px rgba(99, 102, 241, 0.15);
}

.menu-item.active i {
  color: #818cf8;
}

.menu-item i {
  width: 18px;
  text-align: center;
  font-size: 14px;
}

/* Header bar */
.header {
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(99, 102, 241, 0.1);
  padding: 16px 24px;
}

.header-title {
  font-size: 20px;
  font-weight: 600;
  color: #e2e8f0;
}

.header-user {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-user span {
  color: #a5b4fc;
  font-weight: 500;
  font-size: 14px;
}

/* Main content */
.main-content {
  background: #0f172a;
}

.content {
  padding: 24px;
}

/* Cards */
.stat-card, .card {
  background: linear-gradient(145deg, #1e293b, #1a2332);
  border: 1px solid rgba(99, 102, 241, 0.1);
  border-radius: 16px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
}

.stat-card:hover, .card:hover {
  border-color: rgba(99, 102, 241, 0.25);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3), 0 0 20px rgba(99, 102, 241, 0.05);
  transform: translateY(-2px);
}

/* Tables */
.table-container {
  background: linear-gradient(145deg, #1e293b, #1a2332);
  border: 1px solid rgba(99, 102, 241, 0.1);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

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

.data-table thead {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(139, 92, 246, 0.1));
}

.data-table th {
  padding: 14px 16px;
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #a5b4fc;
  border-bottom: 1px solid rgba(99, 102, 241, 0.15);
}

.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(99, 102, 241, 0.06);
  color: #cbd5e1;
  font-size: 13px;
}

.data-table tbody tr:hover {
  background: rgba(99, 102, 241, 0.05);
}

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

/* Badges */
.badge {
  padding: 3px 12px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  display: inline-block;
}

.badge-success {
  background: rgba(34, 197, 94, 0.15);
  color: #4ade80;
  border: 1px solid rgba(34, 197, 94, 0.25);
}

.badge-danger {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.25);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.25);
}

.badge-info {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.25);
}

/* Buttons */
.btn-primary {
  background: linear-gradient(135deg, #6366f1, #7c3aed);
  border: none;
  border-radius: 10px;
  padding: 10px 20px;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #818cf8, #8b5cf6);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
  transform: translateY(-1px);
}

.btn-secondary {
  background: #334155;
  border: 1px solid #475569;
  border-radius: 10px;
  color: #94a3b8;
}

.btn-secondary:hover {
  background: #475569;
  color: #e2e8f0;
}

/* Form Controls */
.form-control {
  background: #0f172a;
  border: 1px solid #334155;
  border-radius: 10px;
  color: #e2e8f0;
  padding: 10px 14px;
  transition: all 0.3s ease;
  font-size: 13px;
}

.form-control:focus {
  border-color: #6366f1;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
  outline: none;
}

.form-control::placeholder {
  color: #4b5563;
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 10px center;
  background-repeat: no-repeat;
  background-size: 20px;
  padding-right: 36px;
}

.form-group label {
  color: #94a3b8;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 6px;
  display: block;
}

/* Modal */
.modal-overlay {
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
}

.modal {
  background: #1e293b;
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 20px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
}

.modal-header {
  border-bottom: 1px solid rgba(99, 102, 241, 0.1);
  padding: 20px 24px;
}

.modal-header h3 {
  color: #e2e8f0;
  font-size: 18px;
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  border-top: 1px solid rgba(99, 102, 241, 0.1);
  padding: 16px 24px;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.modal-close {
  background: none;
  border: none;
  color: #6b7280;
  font-size: 24px;
  cursor: pointer;
  transition: color 0.2s;
}

.modal-close:hover {
  color: #ef4444;
}

/* Toast */
.toast {
  background: #1e293b;
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 12px;
  padding: 12px 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  color: #e2e8f0;
  font-size: 13px;
}

.toast.success {
  border-left: 3px solid #22c55e;
}

.toast.error {
  border-left: 3px solid #ef4444;
}

/* Filter area */
.dashboard-filter, .filter-bar {
  background: linear-gradient(145deg, #1e293b, #1a2332);
  border: 1px solid rgba(99, 102, 241, 0.1);
  border-radius: 12px;
  padding: 14px 18px;
}

.filter-select {
  background: #0f172a;
  border: 1px solid #334155;
  border-radius: 8px;
  color: #e2e8f0;
  padding: 8px 12px;
  font-size: 13px;
}

/* Loading spinner */
.spinner {
  border-color: rgba(99, 102, 241, 0.2);
  border-top-color: #6366f1;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: #0f172a;
}

::-webkit-scrollbar-thumb {
  background: #334155;
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: #475569;
}

/* Responsive */
@media (max-width: 768px) {
  .sidebar {
    width: 60px;
  }
  .menu-item span {
    display: none;
  }
  .sidebar-header h2 {
    font-size: 0;
  }
  .sidebar-header h2 i {
    font-size: 20px;
  }
}