/* ========================================
   Dark Mode - Above the Fold Optimized
   ======================================== */

/* Base & Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Dark Mode Colors */
    --color-bg: #0f1419;
    --color-bg-alt: #1a1f29;
    --color-bg-card: #1e2530;
    --color-bg-hover: #252d3a;
    --color-border: #2d3748;
    --color-border-hover: #4a5568;
    --color-text: #e2e8f0;
    --color-text-light: #94a3b8;
    --color-text-muted: #64748b;
    --color-primary: #f1f5f9;
    --color-accent: #3b82f6;
    --color-accent-hover: #2563eb;
    
    /* Minimal Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 0.625rem;
    --spacing-lg: 0.875rem;
    --spacing-xl: 1.25rem;
    --spacing-xxl: 1.5rem;
    
    --border-radius: 6px;
    --border-radius-sm: 3px;
    --max-width: 1400px;
    --transition: all 0.15s ease;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.4;
    color: var(--color-text);
    background-color: var(--color-bg);
    font-size: 13px;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ========================================
   Minimal Header
   ======================================== */

.site-header {
    background-color: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-sm) 0;
    text-align: center;
}

.site-header h1 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0;
    letter-spacing: -0.01em;
}

.tagline {
    font-size: 0.6875rem;
    color: var(--color-text-muted);
    font-weight: 400;
    margin-top: var(--spacing-xs);
}

.site-title-link {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

.site-title-link:hover {
    color: var(--color-accent);
}

/* ========================================
   Compact Search Section
   ======================================== */

.search-section {
    background-color: var(--color-bg);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-border);
}

.search-wrapper {
    max-width: 600px;
    margin: 0 auto;
}

.search-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.8125rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    font-family: inherit;
    background-color: var(--color-bg-card);
    color: var(--color-text);
}

.search-input:focus {
    outline: none;
    border-color: var(--color-accent);
    background-color: var(--color-bg-hover);
}

.search-input::placeholder {
    color: var(--color-text-muted);
}

/* ========================================
   Inline Filter Section
   ======================================== */

.filter-section {
    background-color: var(--color-bg);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-border);
}

.filters {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    align-items: flex-start;
}

.filter-group {
    flex: 1;
    min-width: 140px;
}

.filter-group label {
    display: block;
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.filter-buttons {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.375rem var(--spacing-sm);
    font-size: 0.75rem;
    font-family: inherit;
    font-weight: 500;
    color: var(--color-text);
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.filter-btn:hover {
    border-color: var(--color-accent);
    background-color: var(--color-bg-hover);
}

.filter-btn.active {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: white;
}

.date-input,
.music-select {
    width: 100%;
    padding: 0.375rem var(--spacing-sm);
    font-size: 0.75rem;
    font-family: inherit;
    color: var(--color-text);
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.date-input:focus,
.music-select:focus {
    outline: none;
    border-color: var(--color-accent);
    background-color: var(--color-bg-hover);
}

/* ========================================
   Minimal Events Section
   ======================================== */

.events-section {
    padding: var(--spacing-lg) 0 var(--spacing-xxl);
}

.events-section h2 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.01em;
}

.event-list {
    display: grid;
    gap: var(--spacing-sm);
    grid-template-columns: repeat(2, 1fr);
}

/* ========================================
   Minimal Event Cards
   ======================================== */

.event-item {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    overflow: hidden;
}

.event-item:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.event-link {
    text-decoration: none;
    color: inherit;
    display: block;
    padding: var(--spacing-sm);
}

.event-header {
    margin-bottom: var(--spacing-xs);
}

.event-id {
    display: none;
}

.event-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.3;
    letter-spacing: -0.01em;
    min-height: 2.25rem;
}

.event-item:hover .event-title {
    color: var(--color-accent);
}

.event-details {
    color: var(--color-text-light);
}

.event-details p {
    margin-bottom: var(--spacing-xs);
    font-size: 0.6875rem;
    line-height: 1.3;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.event-details p strong {
    display: none;
}

.event-details p:last-child {
    margin-bottom: 0;
}

/* Hide description and organizer in grid view */
.event-description,
.event-organizer {
    display: none !important;
}

/* ========================================
   Loading & Error States
   ======================================== */

.loading,
.error,
.no-events {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg);
    color: var(--color-text-light);
    font-size: 0.8125rem;
}

.error {
    color: #ef4444;
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--border-radius);
}

/* ========================================
   Footer
   ======================================== */

.site-footer {
    background-color: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-lg) 0;
    text-align: center;
}

.site-footer p {
    color: var(--color-text-muted);
    font-size: 0.6875rem;
}

/* ========================================
   Event Detail Page
   ======================================== */

.event-detail-section {
    padding: var(--spacing-xl) 0;
}

.event-detail-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
}

.event-detail-header {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.event-detail-card .event-id {
    display: inline-block;
    font-size: 0.625rem;
    font-weight: 700;
    color: var(--color-text-muted);
    background-color: var(--color-bg-alt);
    padding: 0.125rem 0.375rem;
    border-radius: var(--border-radius-sm);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
}

.event-detail-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-top: var(--spacing-sm);
    line-height: 1.2;
}

.event-detail-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.info-grid {
    display: grid;
    gap: var(--spacing-md);
    grid-template-columns: 1fr;
}

.info-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
    padding: var(--spacing-md);
    background-color: var(--color-bg-alt);
    border-radius: var(--border-radius-sm);
}

.info-icon {
    font-size: 1.125rem;
    flex-shrink: 0;
}

.info-content strong {
    display: block;
    font-size: 0.6875rem;
    font-weight: 700;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.info-content p {
    margin: 0;
    font-size: 0.8125rem;
    color: var(--color-text);
    font-weight: 500;
}

.event-detail-description {
    padding: var(--spacing-lg);
    background-color: var(--color-bg-alt);
    border-radius: var(--border-radius);
}

.event-detail-description h2 {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.event-detail-description p {
    font-size: 0.8125rem;
    line-height: 1.6;
    color: var(--color-text-light);
    margin: 0;
}

.reservation-section {
    padding: var(--spacing-lg);
    background-color: var(--color-bg-alt);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
}

.reservation-section h2 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
}

.reservation-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--color-text-light);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.8125rem;
    font-family: inherit;
    color: var(--color-text);
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    background-color: var(--color-bg-hover);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}

.form-group textarea {
    resize: vertical;
    min-height: 60px;
}

.form-actions,
.event-detail-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    padding-top: var(--spacing-md);
}

.btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.8125rem;
    font-family: inherit;
    font-weight: 600;
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary {
    background-color: var(--color-accent);
    color: white;
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: var(--color-bg-card);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    border-color: var(--color-accent);
    background-color: var(--color-bg-hover);
}

.btn-whatsapp {
    background-color: #25d366;
    color: white;
}

.btn-whatsapp:hover {
    background-color: #20ba5a;
    box-shadow: var(--shadow-md);
}

.back-link-wrapper {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    font-size: 0.8125rem;
}

.back-link:hover {
    color: var(--color-accent-hover);
}

/* ========================================
   Responsive Design
   ======================================== */

@media (min-width: 640px) {
    body {
        font-size: 14px;
    }
    
    .site-header h1 {
        font-size: 1.25rem;
    }
    
    .tagline {
        font-size: 0.75rem;
    }
    
    .events-section h2 {
        font-size: 1.125rem;
    }
    
    .event-title {
        font-size: 0.9375rem;
    }
    
    .event-details p {
        font-size: 0.75rem;
    }
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-xl);
    }
    
    .filters {
        flex-wrap: nowrap;
    }
    
    .event-list {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-md);
    }
    
    .info-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .event-detail-title {
        font-size: 1.75rem;
    }
}

@media (min-width: 1024px) {
    .site-header h1 {
        font-size: 1.5rem;
    }
    
    .events-section h2 {
        font-size: 1.25rem;
    }
    
    .event-list {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (min-width: 1280px) {
    .container {
        padding: 0 var(--spacing-xxl);
    }
}