/* Custom RSVP App Styles */

:root {
    --primary-color: #007bff;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --border-radius: 8px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: #f5f6fa;
    color: #333;
}

/* Navigation Bar */
.navbar {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
}

.navbar-brand {
    font-size: 1.5rem;
    letter-spacing: 0.5px;
}

/* Cards */
.card {
    border-radius: var(--border-radius);
    border: 1px solid rgba(0, 0, 0, 0.08);
}

.card-header {
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    border-bottom: 2px solid rgba(0, 0, 0, 0.1);
}

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

.hover-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1) !important;
}

/* Buttons */
.btn {
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: all 0.2s;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.btn-primary {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #0056b3 0%, #003d82 100%);
}

.btn-success {
    background: linear-gradient(135deg, #28a745 0%, #1e7e34 100%);
    border: none;
}

.btn-danger {
    background: linear-gradient(135deg, #dc3545 0%, #a71d2a 100%);
    border: none;
}

/* Form Controls */
.form-control {
    border-radius: var(--border-radius);
    border: 1px solid #ddd;
    padding: 0.75rem 1rem;
    transition: all 0.2s;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.15);
}

.form-label {
    color: #333;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

/* Badges */
.badge {
    border-radius: var(--border-radius);
    padding: 0.5rem 0.75rem;
    font-weight: 500;
}

/* Alerts */
.alert {
    border-radius: var(--border-radius);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.alert-info {
    background-color: #e7f3ff;
    border-color: #b3d9ff;
    color: #004085;
}

.alert-warning {
    background-color: #fff3cd;
    border-color: #ffc107;
    color: #856404;
}

.alert-success {
    background-color: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
}

/* Tables */
.table {
    border-collapse: separate;
    border-spacing: 0;
    margin-bottom: 0;
}

.table thead th {
    background-color: #f8f9fa;
    border-bottom: 2px solid #dee2e6;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

.table-hover tbody tr:hover {
    background-color: #f8f9fa;
}

/* Progress Bars */
.progress {
    border-radius: var(--border-radius);
    background-color: #e9ecef;
}

/* Radio Button Groups */
.btn-group {
    border-radius: var(--border-radius);
    overflow: hidden;
    display: flex;
}

.btn-group > .btn {
    flex: 1;
    text-align: center;
}

.btn-check:checked + .btn {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    font-weight: 600;
}

/* Attendance Status Buttons */
.btn-outline-success {
    color: #28a745;
    border-color: #28a745;
    transition: all 0.2s ease;
}

.btn-outline-success:hover {
    background-color: #28a745;
    border-color: #28a745;
    color: white;
}

.btn-check[value="confirmed"]:checked + .btn-outline-success {
    background-color: #28a745;
    border-color: #28a745;
    color: white;
}

.btn-outline-danger {
    color: #dc3545;
    border-color: #dc3545;
    transition: all 0.2s ease;
}

.btn-outline-danger:hover {
    background-color: #dc3545;
    border-color: #dc3545;
    color: white;
}

.btn-check[value="declined"]:checked + .btn-outline-danger {
    background-color: #dc3545;
    border-color: #dc3545;
    color: white;
}

/* Sections */
.section {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #333;
}

/* Footer */
footer {
    background-color: #f8f9fa;
    color: #666;
    margin-top: auto;
}

/* Main Layout */
main {
    min-height: calc(100vh - 200px);
}

/* Responsive */
@media (max-width: 768px) {
    .display-4 {
        font-size: 2rem;
    }
    
    .display-5 {
        font-size: 1.5rem;
    }
    
    .display-6 {
        font-size: 1.25rem;
    }
    
    .btn-group {
        flex-direction: column;
    }
    
    .btn-group > .btn {
        border-radius: var(--border-radius) !important;
        margin-bottom: 0.5rem;
    }
}

/* Loading State */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.3s ease-in;
}

/* Utility Classes */
.text-truncate-2 {
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.shadow-sm-hover:hover {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1) !important;
}

.cursor-pointer {
    cursor: pointer;
}

/* Form Validation */
.was-validated .form-control:valid {
    border-color: #28a745;
}

.was-validated .form-control:invalid {
    border-color: #dc3545;
}

/* Print Styles */
@media print {
    .navbar,
    footer,
    .btn,
    .btn-group {
        display: none;
    }
    
    body {
        background-color: white;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}