/* Global Styles */
:root {
    --primary-color: #4e73df;
    --secondary-color: #858796;
    --success-color: #1cc88a;
    --info-color: #36b9cc;
    --warning-color: #f6c23e;
    --danger-color: #e74a3b;
    --dark-color: #5a5c69;
    --light-color: #f8f9fc;
}

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

body {
    font-family: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--light-color);
    min-height: 100vh;
}

/* Card Styles */
.card {
    border: none;
    border-radius: 0.75rem;
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 0.5rem 2rem 0 rgba(58, 59, 69, 0.2);
}

.card-header {
    background-color: transparent;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    font-weight: 600;
    padding: 1rem 1.25rem;
}

/* Button Styles */
.btn {
    border-radius: 0.5rem;
    padding: 0.5rem 1rem;
    font-weight: 500;
    transition: all 0.2s;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, #224abe 100%);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(78, 115, 223, 0.4);
}

/* Form Styles */
.form-control, .form-select {
    border-radius: 0.5rem;
    border: 1px solid #d1d3e2;
    padding: 0.6rem 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(78, 115, 223, 0.25);
}

/* Table Styles */
.table {
    margin-bottom: 0;
}

.table thead th {
    border-top: none;
    border-bottom: 2px solid rgba(0, 0, 0, 0.05);
    font-weight: 600;
    color: var(--dark-color);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.5px;
}

.table tbody tr {
    transition: background-color 0.2s;
}

.table tbody tr:hover {
    background-color: rgba(0, 0, 0, 0.02);
}

/* Badge Styles */
.badge {
    padding: 0.5rem 0.75rem;
    font-weight: 500;
    border-radius: 2rem;
}

.badge.bg-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #17a673 100%) !important;
}

.badge.bg-danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, #be2617 100%) !important;
}

.badge.bg-warning {
    background: linear-gradient(135deg, var(--warning-color) 0%, #dda20a 100%) !important;
}

.badge.bg-info {
    background: linear-gradient(135deg, var(--info-color) 0%, #258391 100%) !important;
}

/* Navigation */
.navbar {
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, #224abe 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Seat Map Styles */
.seat-grid {
    background-color: #f8f9fc;
    border-radius: 1rem;
    padding: 2rem;
}

.seat {
    position: relative;
    cursor: pointer;
    transition: all 0.2s;
}

.seat .seat-inner {
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 0.5rem;
    background-color: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: all 0.2s;
}

.seat.available .seat-inner {
    background-color: #d4edda;
    border: 2px solid #28a745;
}

.seat.occupied .seat-inner {
    background-color: #f8d7da;
    border: 2px solid #dc3545;
    cursor: not-allowed;
    opacity: 0.7;
}

.seat.reserved .seat-inner {
    background-color: #fff3cd;
    border: 2px solid #ffc107;
}

.seat.selected .seat-inner {
    transform: scale(1.05);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    border-color: var(--primary-color);
}

.seat.premium .seat-inner {
    border-width: 3px;
    border-style: double;
}

.seat.vip .seat-inner {
    border-width: 3px;
    border-style: solid;
    border-color: gold;
}

.seat-number {
    font-weight: 700;
    font-size: 0.9rem;
}

.student-name {
    font-size: 0.7rem;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding: 0 4px;
}

/* Dashboard Stats Cards */
.stats-card {
    position: relative;
    overflow: hidden;
}

.stats-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transform: translate(50%, -50%);
}

.stats-card .stats-icon {
    position: relative;
    z-index: 1;
}

/* Loading Spinner */
.spinner-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(78, 115, 223, 0.1);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .seat-grid {
        grid-template-columns: repeat(5, 1fr) !important;
    }
    
    .card {
        margin-bottom: 1rem;
    }
    
    .table-responsive {
        font-size: 0.9rem;
    }
}

/* Print Styles */
@media print {
    .navbar, .btn, .footer {
        display: none !important;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
    
    .badge {
        border: 1px solid #000 !important;
        color: #000 !important;
        background: transparent !important;
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--secondary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--dark-color);
}

/* Animation Classes */
.fade-enter {
    opacity: 0;
}

.fade-enter-active {
    opacity: 1;
    transition: opacity 300ms;
}

.fade-exit {
    opacity: 1;
}

.fade-exit-active {
    opacity: 0;
    transition: opacity 300ms;
}

.slide-enter {
    transform: translateX(-100%);
}

.slide-enter-active {
    transform: translateX(0);
    transition: transform 300ms;
}

.slide-exit {
    transform: translateX(0);
}

.slide-exit-active {
    transform: translateX(100%);
    transition: transform 300ms;
}

/* Utility Classes */
.cursor-pointer {
    cursor: pointer;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary-color) 0%, #224abe 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.shadow-hover {
    transition: box-shadow 0.2s;
}

.shadow-hover:hover {
    box-shadow: 0 0.5rem 2rem 0 rgba(58, 59, 69, 0.2);
}

.border-left-primary {
    border-left: 4px solid var(--primary-color);
}

.border-left-success {
    border-left: 4px solid var(--success-color);
}

.border-left-warning {
    border-left: 4px solid var(--warning-color);
}

.border-left-danger {
    border-left: 4px solid var(--danger-color);
}
/* Additional Sidebar Styles */
.sidebar-link {
    position: relative;
    overflow: hidden;
}

.sidebar-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 3px;
    background: white;
    opacity: 0;
    transition: opacity 0.3s;
}

.sidebar-link.active::before,
.sidebar-link:hover::before {
    opacity: 1;
}

/* Dropdown Animation */
.collapse {
    transition: all 0.3s ease;
}

/* Mobile Styles */
@media (max-width: 768px) {
    .top-navbar {
        padding: 0 15px;
    }
    
    .user-avatar {
        width: 35px;
        height: 35px;
    }
    
    main {
        padding: 1rem !important;
    }
}

/* Desktop Styles */
@media (min-width: 769px) {
    .sidebar.collapsed .sidebar-link span {
        display: none;
    }
    
    .sidebar.collapsed .sidebar-link i {
        margin-right: 0;
        font-size: 1.2rem;
    }
    
    .sidebar.collapsed .sidebar-dropdown .dropdown-menu {
        display: none;
    }
}

/* Custom Scrollbar for Webkit */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* Smooth Transitions */
.sidebar,
.main-content,
.sidebar-link,
.dropdown-menu {
    transition: all 0.3s ease;
}

/* Active Menu Item */
.sidebar-link.active {
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}