/**
 * Event Detail Page Styles
 * 
 * ============================================================================
 * FILE LOCATION: /includes/css/pages/event-detail.css
 * CREATED: January 15, 2026
 * ============================================================================
 * 
 * BEM NAMING CONVENTION:
 * - Block: .event-detail-page, .event-detail, .event-hero
 * - Element: .event-detail__section, .event-hero__title
 * - Modifier: .event-detail--featured
 * 
 * USES SAME BACKGROUND AS EVENTS PAGE
 */

/* =============================================================================
   STICKY HEADER (KEEPS HEADER IN PLACE AT ALL TIMES)
   ============================================================================= */

.navbar,
header,
.site-header,
nav[role="navigation"] {
    position: fixed !important;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1030;
    width: 100%;
}

body {
    padding-top: 56px;
}

/* =============================================================================
   PAGE LAYOUT VARIABLES + BACKGROUND IMAGE SETTINGS
   ============================================================================= */

:root {
    --tb-header-h: 56px;
    --tb-footer-h: 80px;

    /* Background image settings - SAME AS EVENTS PAGE */
    --tb-event-detail-bg-position: center center;
    --tb-event-detail-bg-size: cover;
    --tb-event-detail-bg-opacity: 1;
    --tb-event-detail-bg-blur: 2px;

    /* Overlay gradient strength */
    --tb-event-detail-overlay-strength: 0.12;
    --tb-event-detail-left-fade: 0.42;

    /* Card transparency */
    --tb-event-detail-card-bg: rgba(255, 255, 255, 0.90);
    --tb-event-detail-card-border: rgba(255, 255, 255, 0.70);
}

/* =============================================================================
   FIXED FOOTER + SCROLLABLE CONTENT AREA
   ============================================================================= */

html, body {
    height: 100%;
}

body {
    overflow: hidden;
}

footer,
.site-footer,
.footer {
    position: fixed !important;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1025;
    min-height: var(--tb-footer-h);
}

/* =============================================================================
   MAIN PAGE WRAPPER
   ============================================================================= */

.event-detail-page {
    background-color: #f8f9fa;
    
    /* Background image path - SAME IMAGE AS EVENTS PAGE */
    --tb-event-detail-bg-url: url("/assets/images/backgrounds/events_background.png");
    
    position: fixed;
    top: var(--tb-header-h);
    left: 0;
    right: 0;
    bottom: var(--tb-footer-h);
    
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    
    isolation: isolate;
    min-height: auto;
    padding-top: 0;
    padding-bottom: 5rem; /* BOTTOM PADDING - prevents footer overlap */
}

/* Fixed background - stays in place while content scrolls */
.event-detail-page::before {
    content: "";
    position: fixed;
    top: var(--tb-header-h);
    left: 0;
    right: 0;
    bottom: var(--tb-footer-h);
    z-index: -3;
    
    background-image: var(--tb-event-detail-bg-url);
    background-repeat: no-repeat;
    background-size: var(--tb-event-detail-bg-size);
    background-position: var(--tb-event-detail-bg-position);
    
    filter: blur(var(--tb-event-detail-bg-blur)) saturate(0.88) contrast(0.90) brightness(1.06);
    opacity: var(--tb-event-detail-bg-opacity);
    
    pointer-events: none;
}

/* Fixed overlay - stays in place while content scrolls */
.event-detail-page::after {
    content: "";
    position: fixed;
    top: var(--tb-header-h);
    left: 0;
    right: 0;
    bottom: var(--tb-footer-h);
    z-index: -2;
    
    background:
        linear-gradient(90deg,
            rgba(246,236,222,var(--tb-event-detail-left-fade)) 0%,
            rgba(246,236,222,0.22) 22%,
            rgba(246,236,222,0.08) 44%,
            rgba(246,236,222,0.00) 65%),
        linear-gradient(180deg,
            rgba(248,242,234,0.60) 0%,
            rgba(248,242,234,0.20) 40%,
            rgba(248,242,234,0.10) 70%,
            rgba(248,242,234,0.00) 100%),
        rgba(246,236,222,var(--tb-event-detail-overlay-strength));
    
    pointer-events: none;
}

.event-detail-page .container {
    position: relative;
    padding-top: 2rem;
    padding-bottom: 5rem; /* INCREASED - prevents footer overlap */
}

/* =============================================================================
   EVENT DETAIL CARD
   ============================================================================= */

.event-detail {
    background: var(--tb-event-detail-card-bg) !important;
    border: 1px solid var(--tb-event-detail-card-border) !important;
    border-radius: 0.75rem;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    overflow: hidden;
    box-shadow: 0 0.5rem 2rem rgba(0,0,0,0.15);
}

/* =============================================================================
   HERO SECTION
   ============================================================================= */

.event-detail__hero {
    position: relative;
    min-height: 400px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    overflow: hidden;
}

.event-detail__hero-image {
    width: 100%;
    height: 100%;
    min-height: 400px;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
}

.event-detail__hero-overlay {
    position: relative;
    z-index: 1;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.4) 50%, rgba(0,0,0,0.6) 100%);
    padding: 3rem 2rem;
    color: white;
    min-height: 400px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.event-detail__hero-overlay h1 {
    text-shadow: 0 2px 8px rgba(0,0,0,0.6);
    margin-bottom: 1rem;
}

.event-detail__hero-overlay .badge {
    text-shadow: none;
}

/* =============================================================================
   EVENT BODY CONTENT
   ============================================================================= */

.event-detail__body {
    padding: 2.5rem;
}

.event-detail__section {
    margin-bottom: 2.5rem;
}

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

.event-detail__section-title {
    font-weight: 700;
    color: #212529;
    font-size: 1.5rem;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 3px solid #0d6efd;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.event-detail__section-title i {
    font-size: 1.25rem;
}

.event-description {
    font-size: 1.05rem;
    line-height: 1.8;
    color: #495057;
}

/* =============================================================================
   SIDEBAR CARDS
   ============================================================================= */

.event-detail-page .card {
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.70);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}

/* =============================================================================
   RSVP BUTTONS
   ============================================================================= */

.rsvp-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.rsvp-btn {
    flex: 1;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: all 0.2s ease;
    border: 2px solid transparent;
    font-size: 0.95rem;
}

.rsvp-btn--going {
    background: #28a745;
    color: white;
}

.rsvp-btn--going:hover,
.rsvp-btn--going.active {
    background: #218838;
    border-color: #1e7e34;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(40, 167, 69, 0.3);
}

.rsvp-btn--interested {
    background: #ffc107;
    color: #212529;
}

.rsvp-btn--interested:hover,
.rsvp-btn--interested.active {
    background: #e0a800;
    border-color: #d39e00;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(255, 193, 7, 0.3);
}

.rsvp-btn--not-going {
    background: #6c757d;
    color: white;
}

.rsvp-btn--not-going:hover,
.rsvp-btn--not-going.active {
    background: #5a6268;
    border-color: #545b62;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(108, 117, 125, 0.3);
}

/* =============================================================================
   RESPONSIVE ADJUSTMENTS
   ============================================================================= */

@media (max-width: 991.98px) {
    .event-detail__hero {
        min-height: 350px;
    }
    
    .event-detail__hero-overlay {
        padding: 2rem 1.5rem;
        min-height: 350px;
    }
    
    .event-detail__body {
        padding: 2rem;
    }
}

@media (max-width: 767.98px) {
    .event-detail__hero {
        min-height: 300px;
    }
    
    .event-detail__hero-overlay {
        padding: 1.5rem 1rem;
        min-height: 300px;
    }
    
    .event-detail__body {
        padding: 1.5rem;
    }
    
    .event-detail__section {
        margin-bottom: 2rem;
    }
    
    .rsvp-btn {
        flex-basis: 100%;
    }
}

@media (max-width: 575.98px) {
    .event-detail__hero {
        min-height: 250px;
    }
    
    .event-detail__hero-overlay {
        padding: 1rem;
        min-height: 250px;
    }
    
    .event-detail__hero-overlay h1 {
        font-size: 1.75rem;
    }
    
    .event-detail__body {
        padding: 1.25rem;
    }
}