/* Custom Styles for Auditorium Booking System */

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --success-gradient: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --warning-gradient: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --info-gradient: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
}

body {
    background-color: #f8f9fa;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Navbar */
.bg-gradient-primary {
    background: var(--primary-gradient) !important;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.3rem;
}

/* Stats Cards */
.stats-card {
    border: none;
    border-radius: 15px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.stats-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.stats-card .card-body {
    padding: 1.5rem;
}

/* Cards */
.card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    margin-bottom: 1.5rem;
}

.card-header {
    border-radius: 15px 15px 0 0 !important;
    border: none;
    padding: 1rem 1.5rem;
}

/* Table Styles */
.table-responsive {
    border-radius: 0 0 15px 15px;
    overflow: hidden;
}

.table thead th {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    border-bottom: 2px solid #dee2e6;
}

/* Booking Status Rows */
.booking-row {
    transition: all 0.3s ease;
}

.booking-row.status-pending {
    border-left: 4px solid #0d6efd;
    background-color: rgba(13, 110, 253, 0.05);
}

.booking-row.status-approved {
    border-left: 4px solid #198754;
    background-color: rgba(25, 135, 84, 0.05);
}

.booking-row.status-rejected {
    border-left: 4px solid #dc3545;
    background-color: rgba(220, 53, 69, 0.05);
}

.booking-row:hover {
    background-color: rgba(0,0,0,0.03);
}

/* Buttons */
.btn {
    border-radius: 8px;
    padding: 0.5rem 1.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.btn-primary {
    background: var(--primary-gradient);
    border: none;
}

.btn-success {
    background: var(--success-gradient);
    border: none;
}

.btn-warning {
    background: var(--warning-gradient);
    border: none;
}

.btn-info {
    background: var(--info-gradient);
    border: none;
}

/* Forms */
.form-control, .form-select {
    border-radius: 8px;
    border: 1px solid #dee2e6;
    padding: 0.625rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

/* Calendar/Schedule */
.calendar-day {
    border: 1px solid #dee2e6;
    border-radius: 8px;
    padding: 0.5rem;
    min-height: 120px;
    background-color: white;
    transition: all 0.3s ease;
}

.calendar-day:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transform: translateY(-2px);
}

.calendar-day-header {
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    color: #495057;
}

.booking-slot {
    padding: 0.4rem 0.6rem;
    border-radius: 6px;
    margin-bottom: 0.3rem;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.booking-slot:hover {
    opacity: 0.8;
    transform: scale(1.02);
}

.booking-slot.pending {
    background-color: #0d6efd;
    color: white;
}

.booking-slot.approved {
    background-color: #198754;
    color: white;
}

.booking-slot.available {
    background-color: #e9ecef;
    color: #6c757d;
    border: 1px dashed #adb5bd;
}

/* Badges */
.badge {
    padding: 0.4rem 0.8rem;
    font-weight: 500;
    border-radius: 6px;
}

/* Modal */
.modal-content {
    border-radius: 15px;
    border: none;
}

.modal-header {
    border-radius: 15px 15px 0 0;
    background: var(--primary-gradient);
    color: white;
    border: none;
}

/* Alerts */
.alert {
    border-radius: 10px;
    border: none;
}

/* List Groups */
.list-group-item {
    border: none;
    border-bottom: 1px solid #e9ecef;
    transition: background-color 0.2s ease;
}

.list-group-item:hover {
    background-color: #f8f9fa;
}

.list-group-item:last-child {
    border-bottom: none;
}

/* Responsive */
@media (max-width: 768px) {
    .card-body {
        padding: 1rem;
    }
    
    .stats-card .card-body {
        padding: 1rem;
    }
    
    .table {
        font-size: 0.875rem;
    }
    
    .calendar-day {
        min-height: 80px;
    }
}

/* Loading Spinner */
.spinner-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

/* Utilities */
.opacity-50 {
    opacity: 0.5;
}

.cursor-pointer {
    cursor: pointer;
}

.text-gradient-primary {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}