/**
 * Ensemble Frontend Base CSS
 * Core styles loaded for all layout sets
 * 
 * @package Ensemble
 */

/* ========================================
   CSS VARIABLES (Design System)
   Can be overridden by inline CSS
   ======================================== */

:root {
    /* Primary Colors */
    --es-primary: #667eea;
    --es-secondary: #764ba2;
    --es-accent: #f093fb;
    
    /* Text Colors */
    --es-text: #1a1a1a;
    --es-text-secondary: #666666;
    --es-text-light: #999999;
    
    /* Surface Colors */
    --es-surface: #ffffff;
    --es-surface-alt: #f8f9fa;
    --es-border: #e0e0e0;
    
    /* Status Colors */
    --es-success: #4caf50;
    --es-error: #f44336;
    --es-warning: #ff9800;
    --es-info: #2196f3;
    
    /* Spacing */
    --es-space-xs: 0.5rem;
    --es-space-sm: 1rem;
    --es-space-md: 1.5rem;
    --es-space-lg: 2rem;
    --es-space-xl: 3rem;
}

/* ========================================
   GRID CONTAINERS
   ======================================== */

.es-events-grid,
.es-artists-grid,
.es-locations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
    margin: 30px 0;
}

@media (max-width: 768px) {
    .es-events-grid,
    .es-artists-grid,
    .es-locations-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

.es-no-events,
.es-no-artists,
.es-no-locations {
    text-align: center;
    padding: 40px 20px;
    color: var(--es-text-secondary);
    font-size: 16px;
}

/* ========================================
   BUTTONS (Global)
   ======================================== */

.es-button,
.es-button-primary,
.es-button-secondary {
    display: inline-block;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.es-button-primary {
    background: var(--es-primary, #667eea);
    color: #ffffff;
}

.es-button-primary:hover {
    background: var(--es-secondary, #764ba2);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.es-button-secondary {
    background: transparent;
    color: var(--es-primary, #667eea);
    border: 2px solid var(--es-primary, #667eea);
}

.es-button-secondary:hover {
    background: var(--es-primary, #667eea);
    color: #ffffff;
}

.es-button-block {
    display: block;
    width: 100%;
}

/* ========================================
   DASHICONS SUPPORT
   ======================================== */

.dashicons {
    width: 20px;
    height: 20px;
    font-size: 20px;
}

/* ========================================
   LOADING STATE
   ======================================== */

.es-loading {
    text-align: center;
    padding: 40px;
}

.es-loading::after {
    content: '';
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid var(--es-border, #e0e0e0);
    border-top-color: var(--es-primary, #667eea);
    border-radius: 50%;
    animation: es-spin 1s linear infinite;
}

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

/* ========================================
   FALLBACK CARD STYLES
   For when templates are missing
   ======================================== */

.es-event-card.es-fallback,
.es-artist-card.es-fallback,
.es-location-card.es-fallback {
    padding: 20px;
    background: var(--es-surface, #ffffff);
    border: 1px solid var(--es-border, #e0e0e0);
    border-radius: 8px;
}

.es-fallback h3 {
    margin: 0 0 12px 0;
    font-size: 18px;
}

.es-fallback h3 a {
    color: var(--es-text, #1a1a1a);
    text-decoration: none;
}

.es-fallback h3 a:hover {
    color: var(--es-primary, #667eea);
}

.es-fallback p {
    margin: 0;
    color: var(--es-text-secondary, #666666);
    font-size: 14px;
}