/**
 * Single Event Page CSS
 * @package GiftCodeNgon_Child
 */

/* ============================================================
   CSS Variables overrides cho Event page
   ============================================================ */
.gcn-event-page {
    --event-primary:    #6366f1;
    --event-accent:     #a855f7;
    --event-active:     #22c55e;
    --event-upcoming:   #f59e0b;
    --event-ended:      #64748b;
    --event-surface:    #1e293b;
    --event-surface-2:  #0f172a;
    --event-border:     #334155;
    --event-text:       #e2e8f0;
    --event-text-muted: #94a3b8;
    --event-radius:     12px;
    --event-transition: 0.25s ease;
}

/* ============================================================
   PAGE LAYOUT
   ============================================================ */
.content-layout {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.main-column {
    min-width: 0;
    overflow: hidden;
}

.sidebar-column {
    display: none;
}

@media (min-width: 1024px) {
    .content-layout {
        display: grid;
        grid-template-columns: 1fr 320px;
        align-items: start;
        gap: 32px;
    }

    .sidebar-column {
        display: block;
    }

    .sidebar-quick-nav {
        position: sticky;
        top: 100px;
    }
}

.gcn-event-page {
    padding-bottom: 40px;
}

.gcn-event-main {
    width: 100%;
}

/* ============================================================
   GAME INFO HEADER
   ============================================================ */
.gcn-event-game-info {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    border: 1px solid var(--event-border);
    border-radius: var(--event-radius);
    overflow: hidden;
    margin: 24px 0;
    position: relative;
}

.gcn-event-game-info::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--event-primary), var(--event-accent));
}

.gcn-event-game-inner {
    display: flex;
    gap: 24px;
    padding: 24px;
    align-items: flex-start;
}

/* Banner / Thumbnail */
.gcn-event-game-visual {
    flex-shrink: 0;
}

.gcn-event-game-banner {
    width: 120px;
    height: 120px;
    border-radius: 16px;
    overflow: hidden;
    border: 2px solid var(--event-border);
    background: #1e293b;
}

.gcn-event-game-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.gcn-event-game-banner--placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
}

.gcn-event-placeholder-icon {
    font-size: 48px;
}

/* Details */
.gcn-event-game-details {
    flex: 1;
    min-width: 0;
}

.gcn-event-game-title {
    font-size: 22px;
    font-weight: 800;
    color: #fff;
    margin: 0 0 14px 0;
    line-height: 1.3;
}

.gcn-event-game-meta {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
    align-items: flex-start;
}

.gcn-event-meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

.gcn-event-meta-icon {
    font-size: 15px;
    flex-shrink: 0;
}

.gcn-event-meta-label {
    color: var(--event-text-muted);
    min-width: 80px;
    font-size: 13px;
}

.gcn-event-meta-value {
    color: var(--event-text);
    font-weight: 600;
}

/* Badges */
.gcn-event-game-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.gcn-badge {
    display: inline-flex;
    align-items: center;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    gap: 4px;
}

.gcn-badge--active {
    background: rgba(34, 197, 94, 0.15);
    color: #4ade80;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.gcn-badge--upcoming {
    background: rgba(245, 158, 11, 0.15);
    color: #fbbf24;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.gcn-badge--ended {
    background: rgba(100, 116, 139, 0.15);
    color: #94a3b8;
    border: 1px solid rgba(100, 116, 139, 0.3);
}

.gcn-badge--total {
    background: rgba(99, 102, 241, 0.15);
    color: #a5b4fc;
    border: 1px solid rgba(99, 102, 241, 0.3);
}

/* CTA Buttons Group */
.gcn-event-cta-group {
    display: flex;
    flex-wrap: nowrap;
    gap: 12px;
    margin-top: 4px;
}

.gcn-event-cta-btn {
    display: inline-flex;
    align-items: center;
    flex: 1;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 18px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
    transition: all var(--event-transition);
    min-width: unset;
}

.gcn-event-cta-btn--giftcode {
    background: linear-gradient(135deg, #6366f1, #06b6d4);
    color: #fff;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
}

.gcn-event-cta-btn--update {
    background: linear-gradient(135deg, #7c3aed, #ec4899);
    color: #fff;
    box-shadow: 0 4px 14px rgba(124, 58, 237, 0.3);
}

.gcn-event-cta-btn--event {
    background: linear-gradient(135deg, #10b981, #059669);
    color: #fff;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
}

.gcn-event-cta-btn:hover {
    transform: translateY(-2px);
    color: #fff;
}

.gcn-event-cta-btn--giftcode:hover {
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

.gcn-event-cta-btn--update:hover {
    box-shadow: 0 6px 20px rgba(124, 58, 237, 0.5);
}

.gcn-event-cta-btn--event:hover {
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.5);
}

.gcn-event-cta-btn-icon {
    font-size: 20px;
    flex-shrink: 0;
}

.gcn-event-cta-btn-text {
    display: flex;
    flex-direction: column;
    line-height: 1.25;
}

.gcn-event-cta-btn-text small {
    font-size: 11px;
    font-weight: 400;
    opacity: 0.9;
}

.gcn-event-cta-btn-arrow {
    font-size: 18px;
    margin-left: auto;
    transition: transform var(--event-transition);
}

.gcn-event-cta-btn:hover .gcn-event-cta-btn-arrow {
    transform: translateX(4px);
}

/* ============================================================
   EVENT SECTION HEADER
   ============================================================ */
.gcn-event-section {
    margin-top: 8px;
}

.gcn-event-section-header {
    margin-bottom: 20px;
}

.gcn-event-section-title {
    font-size: 18px;
    font-weight: 800;
    color: #fff;
    margin: 0 0 6px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.gcn-event-section-desc {
    font-size: 13px;
    color: var(--event-text-muted);
    margin: 0;
}

/* ============================================================
   ACCORDION
   ============================================================ */
.gcn-event-accordion {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.gcn-event-accordion-item {
    background: var(--event-surface);
    border: 1px solid var(--event-border);
    border-left: 3px solid var(--item-border, #334155);
    border-radius: var(--event-radius);
    overflow: hidden;
    transition: box-shadow var(--event-transition);
}

.gcn-event-accordion-item:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.gcn-event-accordion-item--open {
    box-shadow: 0 4px 24px rgba(99, 102, 241, 0.15);
}

/* Accordion Header */
.gcn-event-accordion-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    cursor: pointer;
    user-select: none;
    transition: background var(--event-transition);
    gap: 12px;
}

.gcn-event-accordion-header:hover {
    background: rgba(255, 255, 255, 0.03);
}

.gcn-event-accordion-header-left {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    min-width: 0;
}

.gcn-event-accordion-header-right {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

/* Newest tag */
.gcn-event-newest-tag {
    font-size: 11px;
    font-weight: 700;
    background: linear-gradient(135deg, #7c3aed, #6366f1);
    color: #fff;
    padding: 3px 10px;
    border-radius: 20px;
    white-space: nowrap;
}

/* Status badge */
.gcn-event-status-badge {
    font-size: 12px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 20px;
    white-space: nowrap;
}

.gcn-event-status--active {
    background: rgba(34, 197, 94, 0.15);
    color: #4ade80;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.gcn-event-status--upcoming {
    background: rgba(245, 158, 11, 0.15);
    color: #fbbf24;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.gcn-event-status--ended {
    background: rgba(100, 116, 139, 0.1);
    color: #94a3b8;
    border: 1px solid rgba(100, 116, 139, 0.2);
}

.gcn-event-accordion-title {
    font-size: 15px;
    font-weight: 700;
    color: #e2e8f0;
    margin: 0;
    line-height: 1.3;
}

/* Chevron icon */
.gcn-event-accordion-toggle {
    display: flex;
    align-items: center;
    color: var(--event-text-muted);
    transition: color var(--event-transition);
}

.gcn-event-accordion-header:hover .gcn-event-accordion-toggle {
    color: var(--event-primary);
}

.gcn-event-chevron {
    transition: transform var(--event-transition);
}

.gcn-event-accordion-item--open .gcn-event-chevron {
    transform: rotate(180deg);
}

/* Accordion Body — Collapsed by default for non-open items */
.gcn-event-accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.gcn-event-accordion-item--open .gcn-event-accordion-body {
    max-height: 9999px;
}

.gcn-event-accordion-body-inner {
    padding: 0 18px 18px;
    border-top: 1px solid var(--event-border);
    padding-top: 16px;
}

/* ============================================================
   COUNTDOWN inline (trong header)
   ============================================================ */
.gcn-event-countdown-inline {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.25);
    border-radius: 20px;
    padding: 3px 10px;
    white-space: nowrap;
}

.gcn-event-countdown-inline--upcoming {
    background: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.25);
}

.gcn-countdown-label {
    color: var(--event-text-muted);
    font-size: 11px;
}

.gcn-event-countdown-inline .gcn-countdown-timer {
    color: #4ade80;
    font-weight: 700;
    font-size: 12px;
    font-variant-numeric: tabular-nums;
}

.gcn-event-countdown-inline--upcoming .gcn-countdown-timer {
    color: #fbbf24;
}

/* ============================================================
   COUNTDOWN FULL (blocks)
   ============================================================ */
.gcn-event-countdown-full {
    background: linear-gradient(135deg, rgba(34,197,94,0.1), rgba(34,197,94,0.05));
    border: 1px solid rgba(34, 197, 94, 0.2);
    border-radius: 10px;
    padding: 14px 16px;
    margin-bottom: 16px;
}

.gcn-event-countdown-full-inner {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.gcn-countdown-full-label {
    font-size: 13px;
    color: #4ade80;
    font-weight: 600;
    white-space: nowrap;
}

.gcn-countdown-blocks {
    display: flex;
    align-items: center;
    gap: 8px;
}

.gcn-countdown-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    padding: 8px 12px;
    min-width: 52px;
}

.gcn-countdown-num {
    font-size: 22px;
    font-weight: 800;
    color: #4ade80;
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.gcn-countdown-unit {
    font-size: 10px;
    color: var(--event-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 3px;
}

.gcn-countdown-sep {
    font-size: 20px;
    font-weight: 800;
    color: #4ade80;
    opacity: 0.5;
    margin-bottom: 14px;
}

/* ============================================================
   EVENT DETAIL META ROW
   ============================================================ */
.gcn-event-detail-meta {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 16px;
}

.gcn-event-detail-meta-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.gcn-event-detail-meta-icon {
    font-size: 18px;
    flex-shrink: 0;
    margin-top: 1px;
}

.gcn-event-detail-meta-label {
    display: block;
    font-size: 11px;
    color: var(--event-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 2px;
}

.gcn-event-detail-meta-val {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--event-text);
}

/* ============================================================
   EVENT IMAGE
   ============================================================ */
.gcn-event-detail-image {
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 16px;
    border: 1px solid var(--event-border);
}

.gcn-event-detail-image img {
    width: 100%;
    display: block;
    max-height: 400px;
    object-fit: cover;
}

/* ============================================================
   EVENT CONTENT
   ============================================================ */
.gcn-event-content-title {
    font-size: 14px;
    font-weight: 700;
    color: #e2e8f0;
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--event-border);
}

.gcn-event-content-body {
    font-size: 14px;
    color: var(--event-text-muted);
    line-height: 1.7;
}

.gcn-event-content-body p { margin: 0 0 10px 0; }
.gcn-event-content-body p:last-child { margin-bottom: 0; }
.gcn-event-content-body ul, .gcn-event-content-body ol {
    padding-left: 20px;
    margin: 0 0 10px 0;
}
.gcn-event-content-body li { margin-bottom: 4px; }
.gcn-event-content-body strong { color: var(--event-text); }
.gcn-event-content-body a { color: #818cf8; }
.gcn-event-content-body a:hover { color: #a5b4fc; }

/* ============================================================
   EMPTY STATE
   ============================================================ */
.gcn-event-empty {
    background: var(--event-surface);
    border: 1px dashed var(--event-border);
    border-radius: var(--event-radius);
    padding: 40px;
    text-align: center;
    color: var(--event-text-muted);
    font-size: 15px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 640px) {
    .gcn-event-game-inner {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 16px;
        gap: 16px;
    }

    .gcn-event-game-banner {
        width: 100px;
        height: 100px;
    }

    .gcn-event-game-meta {
        align-items: center;
    }

    .gcn-event-meta-item {
        justify-content: center;
    }

    .gcn-event-game-badges {
        justify-content: center;
    }

    .gcn-event-cta-group {
        flex-direction: column;
        width: 100%;
    }

    .gcn-event-cta-btn {
        width: 100%;
    }

    .gcn-event-giftcode-cta {
        display: flex;
        justify-content: center;
    }

    .gcn-event-game-title {
        font-size: 18px;
    }

    .gcn-event-accordion-header {
        padding: 12px 14px;
        flex-wrap: wrap;
    }

    .gcn-event-accordion-header-left {
        width: 100%;
    }

    .gcn-event-accordion-header-right {
        width: 100%;
        justify-content: flex-end;
    }

    .gcn-countdown-blocks {
        gap: 5px;
    }

    .gcn-countdown-block {
        min-width: 44px;
        padding: 6px 8px;
    }

    .gcn-countdown-num {
        font-size: 18px;
    }

    .gcn-countdown-sep {
        font-size: 16px;
    }

    .gcn-event-accordion-body-inner {
        padding: 12px 14px 14px;
    }
}

/* ============================================================
   COUNTDOWN — INLINE (header badge)
   ============================================================ */
.gcn-event-countdown-inline {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: rgba(34, 197, 94, 0.12);
    border: 1px solid rgba(34, 197, 94, 0.3);
    border-radius: 20px;
    padding: 3px 10px;
    font-size: 12px;
    color: #22c55e;
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
}

.gcn-event-countdown-inline--upcoming {
    background: rgba(245, 158, 11, 0.12);
    border-color: rgba(245, 158, 11, 0.3);
    color: #f59e0b;
}

.gcn-countdown-label {
    color: inherit;
    opacity: 0.8;
    font-size: 11px;
}

.gcn-countdown-timer {
    font-weight: 700;
    letter-spacing: 0.01em;
}

/* ============================================================
   COUNTDOWN — FULL BLOCKS (D:H:M:S inside body)
   ============================================================ */
.gcn-event-countdown-full {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(168, 85, 247, 0.1) 100%);
    border: 1px solid rgba(99, 102, 241, 0.25);
    border-radius: 10px;
    padding: 14px 16px;
    margin-bottom: 14px;
}

.gcn-event-countdown-full-inner {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.gcn-countdown-full-label {
    font-size: 13px;
    color: var(--event-text-muted);
    font-weight: 600;
    white-space: nowrap;
}

.gcn-countdown-blocks {
    display: flex;
    align-items: center;
    gap: 6px;
}

.gcn-countdown-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--event-border);
    border-radius: 8px;
    min-width: 52px;
    padding: 6px 10px;
}

.gcn-countdown-num {
    font-size: 22px;
    font-weight: 800;
    color: #a78bfa;
    font-variant-numeric: tabular-nums;
    line-height: 1.1;
}

.gcn-countdown-unit {
    font-size: 10px;
    color: var(--event-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 2px;
}

.gcn-countdown-sep {
    font-size: 20px;
    font-weight: 700;
    color: var(--event-text-muted);
    align-self: flex-start;
    padding-top: 4px;
}

/* Tick animation on seconds */
@keyframes gcn-tick-pulse {
    0%   { transform: scale(1);    opacity: 1; }
    25%  { transform: scale(1.15); opacity: 0.85; }
    100% { transform: scale(1);    opacity: 1; }
}

.gcn-countdown-tick {
    animation: gcn-tick-pulse 0.4s ease-out;
}

/* ============================================================
   CAROUSEL BASE — cần thiết vì image-carousel.css (giftcode)
   không load trên trang event
   ============================================================ */
.gcn-carousel-container {
    padding: 10px 0;
    overflow: hidden;
}

.gcn-carousel-track {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 8px;
    cursor: grab;
}

.gcn-carousel-track::-webkit-scrollbar {
    display: none;
}

.gcn-carousel-track.active {
    cursor: grabbing;
}

/* ============================================================
   EVENT IMAGE CAROUSEL (dùng trong accordion body)
   ============================================================ */
.gcn-event-carousel-wrap {
    margin: 16px 0;
}

.gcn-event-carousel-track .gcn-event-carousel-slide {
    width: 280px;
    min-width: 180px;
    flex: 0 0 auto;
    scroll-snap-align: start;
    border-radius: 10px;
    overflow: hidden;
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid var(--event-border);
    transition: border-color 0.2s ease, transform 0.2s ease;
}

.gcn-event-carousel-track .gcn-event-carousel-slide:hover {
    border-color: rgba(99, 102, 241, 0.5);
    transform: translateY(-2px);
}

.gcn-event-carousel-track .gcn-lightbox-link img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    display: block;
    transition: transform 0.35s ease;
}

.gcn-event-carousel-track .gcn-lightbox-link:hover img {
    transform: scale(1.05);
}

@media (max-width: 600px) {
    .gcn-event-carousel-track .gcn-event-carousel-slide {
        width: 85%;
        min-width: 0;
    }
}

/* ============================================================
   EVENT MULTI-TABS (Upgrade)
   ============================================================ */
.gcn-event-tabs {
    margin: 16px 0;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--event-border);
    border-radius: 12px;
    overflow: hidden;
}

.gcn-event-tabs-nav {
    display: flex;
    gap: 4px;
    padding: 8px;
    background: rgba(15, 23, 42, 0.4);
    border-bottom: 1px solid var(--event-border);
    overflow-x: auto;
    scrollbar-width: none;
}
.gcn-event-tabs-nav::-webkit-scrollbar { display: none; }

.gcn-event-tab-btn {
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 600;
    color: #fff;
    background: transparent;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.gcn-event-tab-btn:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
}

.gcn-event-tab-btn.is-active {
    color: #fff;
    background: var(--event-primary);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.gcn-event-tab-panel {
    display: none;
    padding: 20px;
    animation: gcnTabFadeIn 0.35s ease-out;
}

.gcn-event-tab-panel.is-active {
    display: block;
}

@keyframes gcnTabFadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

.gcn-event-content-body {
    font-size: 15px;
    line-height: 1.75;
    color: var(--event-text-secondary);
}

/* ============================================================
   RUT-GON-GN (Show More Interaction)
   ============================================================ */
.rut-gon-gn {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(99, 102, 241, 0.05);
    border-left: 3px solid var(--event-primary);
    padding: 0 15px;
    margin: 5px 0;
}

.rut-gon-gn.is-expanded {
    max-height: 5000px;
    opacity: 1;
    visibility: visible;
    padding: 15px;
    margin: 15px 0;
}

.gcn-rut-gon-toggle-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin: 8px 0;
    padding: 5px 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--event-border);
    border-radius: 6px;
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    transition: all 0.2s ease;
}

.gcn-rut-gon-toggle-btn:hover {
    background: var(--event-primary);
    color: #fff;
}

.gcn-rut-gon-toggle-btn svg {
    transition: transform 0.3s ease;
}

.gcn-rut-gon-toggle-btn.is-active svg {
    transform: rotate(180deg);
}