/* Event Manager Pro - Enhanced Frontend Styles */

:root {
    --emp-primary-color: #0073aa;
    --emp-secondary-color: #f8f9fa;
    --emp-accent-color: #007cba;
    --emp-text-color: #333;
    --emp-border-color: #e1e5e9;
    --emp-shadow-light: 0 2px 4px rgba(0,0,0,0.1);
    --emp-shadow-medium: 0 4px 8px rgba(0,0,0,0.15);
    --emp-shadow-heavy: 0 8px 16px rgba(0,0,0,0.2);
    --emp-border-radius: 8px;
    --emp-transition: all 0.3s ease;
}

/* Base Container Styles */
.emp-visitors-list, 
.emp-exhibitors-list, 
.emp-sponsors-list, 
.emp-speakers-list, 
.emp-agenda-list, 
.emp-accommodation-list {
    margin: 30px 0;
    padding: 0;
}

/* Grid Layout */
.emp-grid-view {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 25px;
    padding: 20px 0;
}

/* Card Base Styles */
.emp-card {
    background: #fff;
    border: 1px solid var(--emp-border-color);
    border-radius: var(--emp-border-radius);
    box-shadow: var(--emp-shadow-light);
    transition: var(--emp-transition);
    overflow: hidden;
    position: relative;
}

.emp-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--emp-shadow-heavy);
    border-color: var(--emp-primary-color);
}

/* Card Image Styles */
.emp-card-image {
    position: relative;
    overflow: hidden;
    height: 220px;
    background: var(--emp-secondary-color);
}

.emp-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--emp-transition);
}

.emp-card:hover .emp-card-image img {
    transform: scale(1.05);
}

.emp-placeholder-image {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #888;
    font-size: 1.1em;
    font-weight: 500;
}

/* Card Content Styles */
.emp-card-content {
    padding: 20px;
}

.emp-card-content h3 {
    margin: 0 0 15px 0;
    color: var(--emp-primary-color);
    font-size: 1.4em;
    font-weight: 600;
    line-height: 1.3;
    transition: var(--emp-transition);
}

.emp-card:hover .emp-card-content h3 {
    color: var(--emp-accent-color);
}

.emp-card-content p {
    margin: 8px 0;
    color: var(--emp-text-color);
    font-size: 0.95em;
    line-height: 1.5;
}

.emp-card-content p strong {
    color: #555;
    font-weight: 600;
}

/* Status and Badge Styles */
.emp-status, 
.emp-sponsor-level, 
.emp-session-type {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.8em;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-left: 5px;
    transition: var(--emp-transition);
}

/* Visitor Status Badges */
.emp-status-registered { 
    background: linear-gradient(135deg, #e3f2fd, #bbdefb); 
    color: #1565c0; 
    border: 1px solid #90caf9;
}

.emp-status-confirmed { 
    background: linear-gradient(135deg, #e8f5e8, #c8e6c9); 
    color: #2e7d32; 
    border: 1px solid #81c784;
}

.emp-status-attended { 
    background: linear-gradient(135deg, #e8eaf6, #c5cae9); 
    color: #3f51b5; 
    border: 1px solid #9fa8da;
}

.emp-status-cancelled { 
    background: linear-gradient(135deg, #ffebee, #ffcdd2); 
    color: #c62828; 
    border: 1px solid #ef9a9a;
}

/* Sponsor Level Badges */
.emp-level-platinum { 
    background: linear-gradient(135deg, #f3e5f5, #e1bee7); 
    color: #7b1fa2; 
    border: 1px solid #ce93d8;
}

.emp-level-gold { 
    background: linear-gradient(135deg, #fff8e1, #fff176); 
    color: #f57f17; 
    border: 1px solid #ffeb3b;
}

.emp-level-silver { 
    background: linear-gradient(135deg, #f5f5f5, #e0e0e0); 
    color: #424242; 
    border: 1px solid #bdbdbd;
}

.emp-level-bronze { 
    background: linear-gradient(135deg, #efebe9, #d7ccc8); 
    color: #5d4037; 
    border: 1px solid #a1887f;
}

/* Session Type Badges */
.emp-type-keynote { 
    background: linear-gradient(135deg, #e8eaf6, #c5cae9); 
    color: #3f51b5; 
    border: 1px solid #9fa8da;
}

.emp-type-workshop { 
    background: linear-gradient(135deg, #e0f2f1, #b2dfdb); 
    color: #00695c; 
    border: 1px solid #4db6ac;
}

.emp-type-panel { 
    background: linear-gradient(135deg, #fff3e0, #ffcc02); 
    color: #ef6c00; 
    border: 1px solid #ffb74d;
}

.emp-type-presentation { 
    background: linear-gradient(135deg, #fce4ec, #f8bbd9); 
    color: #c2185b; 
    border: 1px solid #f48fb1;
}

.emp-type-networking { 
    background: linear-gradient(135deg, #f1f8e9, #dcedc8); 
    color: #558b2f; 
    border: 1px solid #aed581;
}

.emp-type-break { 
    background: linear-gradient(135deg, #f3e5f5, #e1bee7); 
    color: #7b1fa2; 
    border: 1px solid #ce93d8;
}

/* Link Styles */
.emp-card-content a {
    color: var(--emp-primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--emp-transition);
}

.emp-card-content a:hover {
    color: var(--emp-accent-color);
    text-decoration: underline;
}

/* Star Rating Styles */
.emp-star-rating {
    color: #ffc107;
    font-size: 1.1em;
    margin-left: 5px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .emp-grid-view {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 15px 0;
    }
    
    .emp-card-content {
        padding: 15px;
    }
    
    .emp-card-content h3 {
        font-size: 1.2em;
    }
    
    .emp-card-image {
        height: 180px;
    }
}

@media (max-width: 480px) {
    .emp-card-content {
        padding: 12px;
    }
    
    .emp-card-content h3 {
        font-size: 1.1em;
        margin-bottom: 10px;
    }
    
    .emp-card-content p {
        font-size: 0.9em;
    }
    
    .emp-card-image {
        height: 160px;
    }
}

/* Loading Animation */
.emp-loading {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 200px;
    font-size: 1.1em;
    color: #666;
}

.emp-loading::after {
    content: '';
    width: 20px;
    height: 20px;
    border: 2px solid var(--emp-primary-color);
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: 10px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Empty State */
.emp-empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #666;
}

.emp-empty-state h3 {
    color: #888;
    font-size: 1.3em;
    margin-bottom: 10px;
}

.emp-empty-state p {
    font-size: 1em;
    line-height: 1.6;
}

/* Accessibility Improvements */
.emp-card:focus-within {
    outline: 2px solid var(--emp-primary-color);
    outline-offset: 2px;
}

.emp-status:focus,
.emp-sponsor-level:focus,
.emp-session-type:focus {
    outline: 2px solid var(--emp-primary-color);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .emp-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ccc;
    }
    
    .emp-card:hover {
        transform: none;
        box-shadow: none;
    }
    
    .emp-card-image img {
        transform: none;
    }
}