/* =============================================
   YouTube Galerie Pro — Design System
   ============================================= */
:root {
    --ygp-red: #e53e3e;
    --ygp-red-light: #fff5f5;
    --ygp-red-dark: #c53030;
    --ygp-bg: #f8fafc;
    --ygp-surface: #fff;
    --ygp-text: #1a202c;
    --ygp-text-secondary: #4a5568;
    --ygp-text-muted: #a0aec0;
    --ygp-border: #e2e8f0;
    --ygp-border-focus: #e53e3e;
    --ygp-shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --ygp-shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -1px rgba(0,0,0,0.04);
    --ygp-shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.04);
    --ygp-shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    --ygp-radius-sm: 6px;
    --ygp-radius-md: 10px;
    --ygp-radius-lg: 14px;
    --ygp-radius-xl: 20px;
    --ygp-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --ygp-transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============ GALLERY WRAPPER ============ */
.ygp-gallery-wrapper {
    max-width: 1280px;
    margin: 0 auto;
    padding: 24px 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: var(--ygp-text);
}

/* ============ TOOLBAR ============ */
.ygp-gallery-toolbar {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 32px;
    padding: 14px 0 12px;
    background: transparent;
    border: none;
    border-radius: 0;
    box-shadow: none;
}

.ygp-toolbar-row {
    display: flex;
    align-items: center;
    gap: 14px;
}

.ygp-toolbar-top {
    justify-content: space-between;
    flex-wrap: wrap;
    align-items: stretch;
}

.ygp-toolbar-bottom {
    padding-top: 12px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.ygp-toolbar-bottom::-webkit-scrollbar {
    display: none;
}

.ygp-result-count {
    font-size: 14px;
    font-weight: 500;
    color: var(--ygp-text-secondary);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 4px;
}

.ygp-count-number {
    font-weight: 700;
    color: var(--ygp-red);
    font-size: 16px;
}

.ygp-search-box {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1 1 420px;
    max-width: 540px;
    min-width: 280px;
    padding: 0;
}

.ygp-search-box-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
}

.ygp-search-label {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--ygp-text-secondary);
}

.ygp-search-hint {
    font-size: 12px;
    color: var(--ygp-text-muted);
    white-space: nowrap;
}

.ygp-search-box-field {
    display: flex;
    align-items: center;
    gap: 10px;
    height: 52px;
    padding: 0 10px 0 12px;
    background: #f8fafc;
    border: none;
    border-radius: 14px;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.92), 0 1px 2px rgba(15,23,42,0.04);
    transition: box-shadow var(--ygp-transition), transform var(--ygp-transition), background var(--ygp-transition);
}

.ygp-search-box:hover .ygp-search-box-field {
    transform: translateY(-1px);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.95), 0 4px 12px rgba(15,23,42,0.05);
}

.ygp-search-box:focus-within .ygp-search-box-field,
.ygp-search-box.is-filled .ygp-search-box-field {
    background: #fff;
    box-shadow: 0 0 0 3px rgba(229,62,62,0.10), 0 8px 18px rgba(15,23,42,0.05);
    transform: translateY(-1px);
}

.ygp-search-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    flex-shrink: 0;
    color: var(--ygp-text-muted);
    pointer-events: none;
    transition: color var(--ygp-transition), transform var(--ygp-transition);
}

.ygp-search-icon svg {
    display: block;
    width: 17px;
    height: 17px;
}

.ygp-search-box:focus-within .ygp-search-icon {
    color: var(--ygp-red);
    transform: scale(1.04);
}

.ygp-search-input {
    flex: 1;
    min-width: 0;
    padding: 0;
    border: none;
    border-radius: 0;
    font-size: 14px;
    line-height: 1.2;
    color: var(--ygp-text);
    background: transparent;
    outline: none;
    box-sizing: border-box;
}

.ygp-search-input::placeholder {
    color: var(--ygp-text-muted);
    font-size: 13.5px;
    opacity: 1;
}

.ygp-search-clear {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    margin-left: 2px;
    border: none;
    border-radius: 999px;
    background: transparent;
    color: var(--ygp-text-muted);
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transform: scale(0.88);
    transition: opacity var(--ygp-transition), transform var(--ygp-transition), background var(--ygp-transition), color var(--ygp-transition);
}

.ygp-search-clear svg {
    display: block;
    width: 15px;
    height: 15px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2.2;
    stroke-linecap: round;
}

.ygp-search-clear.is-visible {
    opacity: 1;
    pointer-events: auto;
    transform: scale(1);
}

.ygp-search-clear:hover {
    background: var(--ygp-red-light);
    color: var(--ygp-red);
}

.ygp-search-clear:focus-visible {
    outline: 2px solid var(--ygp-red);
    outline-offset: 2px;
}

.ygp-filter-bar {
    display: flex;
    flex-wrap: nowrap;
    gap: 6px;
}

.ygp-filter-btn {
    padding: 8px 16px;
    border: none;
    border-radius: 999px;
    background: #f8fafc;
    color: var(--ygp-text-secondary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: background var(--ygp-transition), color var(--ygp-transition), transform var(--ygp-transition), box-shadow var(--ygp-transition);
    line-height: 1.4;
    white-space: nowrap;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.9);
}

.ygp-filter-btn:hover {
    color: var(--ygp-red);
    background: var(--ygp-red-light);
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(229,62,62,0.08);
}

.ygp-filter-btn:focus-visible {
    outline: 2px solid var(--ygp-red);
    outline-offset: 2px;
}

.ygp-filter-btn.active {
    background: var(--ygp-red);
    color: #fff;
    box-shadow: 0 6px 14px rgba(229,62,62,0.18);
}

.ygp-filter-btn.active:hover {
    background: var(--ygp-red-dark);
}

/* ============ GRID ============ */
.ygp-gallery-grid {
    display: grid;
    grid-template-columns: repeat(var(--ygp-columns, 3), 1fr);
    gap: 24px;
}

.ygp-gallery-grid.ygp-anim-fade-up {
    perspective: 1000px;
}

/* ============ VIDEO CARD ============ */
.ygp-video-item {
    opacity: 1;
    transition: opacity var(--ygp-transition), transform var(--ygp-transition);
}

.ygp-video-item.hidden {
    display: none;
}

.ygp-video-item.ygp-filtering {
    transition: opacity 0.15s ease, transform 0.15s ease;
}

.ygp-anim-fade-up .ygp-video-item {
    opacity: 0;
    transform: translateY(24px);
    animation: ygpFadeUp 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.ygp-anim-fade-up .ygp-video-item:nth-child(1) { animation-delay: 0.02s; }
.ygp-anim-fade-up .ygp-video-item:nth-child(2) { animation-delay: 0.06s; }
.ygp-anim-fade-up .ygp-video-item:nth-child(3) { animation-delay: 0.10s; }
.ygp-anim-fade-up .ygp-video-item:nth-child(4) { animation-delay: 0.14s; }
.ygp-anim-fade-up .ygp-video-item:nth-child(5) { animation-delay: 0.18s; }
.ygp-anim-fade-up .ygp-video-item:nth-child(6) { animation-delay: 0.22s; }
.ygp-anim-fade-up .ygp-video-item:nth-child(7) { animation-delay: 0.26s; }
.ygp-anim-fade-up .ygp-video-item:nth-child(8) { animation-delay: 0.30s; }
.ygp-anim-fade-up .ygp-video-item:nth-child(9) { animation-delay: 0.34s; }
.ygp-anim-fade-up .ygp-video-item:nth-child(10) { animation-delay: 0.38s; }
.ygp-anim-fade-up .ygp-video-item:nth-child(11) { animation-delay: 0.42s; }
.ygp-anim-fade-up .ygp-video-item:nth-child(12) { animation-delay: 0.46s; }

@keyframes ygpFadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.ygp-video-card {
    background: var(--ygp-surface);
    border-radius: var(--ygp-radius-lg);
    overflow: hidden;
    box-shadow: var(--ygp-shadow-sm);
    transition: transform var(--ygp-transition), box-shadow var(--ygp-transition);
    height: 100%;
    display: flex;
    flex-direction: column;
    will-change: transform;
}

.ygp-video-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--ygp-shadow-xl);
}

.ygp-video-thumb {
    position: relative;
    padding-top: 56.25%;
    background: #1a202c;
    overflow: hidden;
}

.ygp-video-thumb img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--ygp-transition-slow);
}

.ygp-video-card:hover .ygp-video-thumb img {
    transform: scale(1.08);
}

.ygp-video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--ygp-transition);
    z-index: 2;
}

.ygp-video-overlay-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(229,62,62,0.7) 0%, rgba(0,0,0,0.5) 100%);
    opacity: 0;
    transition: opacity var(--ygp-transition);
}

.ygp-video-card:hover .ygp-video-overlay { opacity: 1; }
.ygp-video-card:hover .ygp-video-overlay-bg { opacity: 1; }

.ygp-play-btn {
    all: unset;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: #fff;
    transition: transform var(--ygp-transition);
    filter: drop-shadow(0 4px 12px rgba(0,0,0,0.5));
    position: relative;
    z-index: 3;
    line-height: 0;
}

.ygp-play-btn svg {
    display: block;
}

.ygp-play-btn:hover {
    transform: scale(1.12);
    background-color: transparent !important;
    border: none !important;
}

.ygp-play-btn:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 4px;
    border-radius: 50%;
}

.ygp-duration-badge {
    position: absolute;
    right: 10px;
    bottom: 10px;
    padding: 3px 8px;
    background: rgba(0,0,0,0.85);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    border-radius: 4px;
    letter-spacing: 0.5px;
    z-index: 3;
    backdrop-filter: blur(4px);
}

/* ============ VIDEO INFO ============ */
.ygp-video-info {
    padding: 16px 18px 18px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.ygp-video-title {
    margin: 0 0 8px 0;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.4;
    color: var(--ygp-text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.ygp-video-channel {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 13px;
    color: var(--ygp-text-muted);
    margin-bottom: 6px;
}

.ygp-video-channel svg {
    flex-shrink: 0;
    color: var(--ygp-red);
}

.ygp-video-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--ygp-text-muted);
    margin-top: auto;
    padding-top: 10px;
}

.ygp-views {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.ygp-views svg {
    flex-shrink: 0;
}

.ygp-video-cats {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-left: auto;
}

.ygp-cat-tag {
    display: inline-block;
    padding: 2px 8px;
    background: var(--ygp-bg);
    border-radius: 999px;
    font-size: 11px;
    font-weight: 500;
    color: var(--ygp-text-secondary);
}

.ygp-video-excerpt {
    margin: 8px 0 0 0;
    font-size: 13px;
    line-height: 1.5;
    color: var(--ygp-text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ============ PAGINATION ============ */
.ygp-pagination {
    margin-top: 44px;
    text-align: center;
}

.ygp-pagination ul {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 6px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.ygp-pagination li {
    margin: 0;
}

.ygp-pagination a,
.ygp-pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 42px;
    height: 42px;
    padding: 0 14px;
    border: 1.5px solid var(--ygp-border);
    border-radius: var(--ygp-radius-md);
    background: var(--ygp-surface);
    color: var(--ygp-text-secondary);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--ygp-transition);
    box-sizing: border-box;
}

.ygp-pagination a:hover {
    border-color: var(--ygp-red);
    color: var(--ygp-red);
    background: var(--ygp-red-light);
    transform: translateY(-1px);
    box-shadow: var(--ygp-shadow-md);
}

.ygp-pagination a:focus-visible {
    outline: 2px solid var(--ygp-red);
    outline-offset: 2px;
}

.ygp-pagination .current span {
    border-color: var(--ygp-red);
    background: var(--ygp-red);
    color: #fff;
    box-shadow: 0 2px 8px rgba(229,62,62,0.25);
}

.ygp-pagination .prev a,
.ygp-pagination .next a {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
}

/* ============ LOAD MORE ============ */
.ygp-load-more-wrap {
    margin-top: 36px;
    text-align: center;
}

.ygp-load-more-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 36px;
    border: 2px solid var(--ygp-red);
    border-radius: 999px;
    background: var(--ygp-surface);
    color: var(--ygp-red);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--ygp-transition);
    white-space: nowrap;
}

.ygp-load-more-btn:hover {
    background: var(--ygp-red);
    color: #fff;
    box-shadow: 0 4px 14px rgba(229,62,62,0.3);
    transform: translateY(-2px);
}

.ygp-load-more-btn:focus-visible {
    outline: 2px solid var(--ygp-red);
    outline-offset: 2px;
}

.ygp-load-more-btn.loading {
    pointer-events: none;
    opacity: 0.7;
}

.ygp-load-more-spinner {
    display: none;
    width: 18px;
    height: 18px;
    border: 2px solid var(--ygp-red);
    border-top-color: transparent;
    border-radius: 50%;
    animation: ygpSpin 0.6s linear infinite;
}

.ygp-load-more-btn:hover .ygp-load-more-spinner {
    border-color: #fff;
    border-top-color: transparent;
}

.ygp-load-more-btn.loading .ygp-load-more-spinner {
    display: inline-block;
}

.ygp-load-more-btn.loading .ygp-load-more-text {
    opacity: 0.7;
}

@keyframes ygpSpin {
    to { transform: rotate(360deg); }
}

/* ============ MODAL ============ */
.ygp-modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 999999;
    align-items: center;
    justify-content: center;
}

.ygp-modal-overlay.active {
    display: flex;
}

.ygp-modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.88);
    backdrop-filter: blur(6px);
    animation: ygpFadeIn 0.25s ease;
}

.ygp-modal-content {
    position: relative;
    width: 90%;
    max-width: 960px;
    border-radius: var(--ygp-radius-lg);
    overflow: hidden;
    box-shadow: 0 24px 64px rgba(0,0,0,0.5);
    animation: ygpModalIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes ygpFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes ygpModalIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.ygp-modal-close {
    all: unset;
    position: absolute !important;
    top: 16px;
    right: 16px;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: #fff;
    line-height: 1;
    z-index: 10;
    background: rgba(0,0,0,0.55) !important;
    border: none !important;
    border-radius: 50%;
    padding: 0 !important;
    opacity: 0.9;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    transition: opacity 0.2s, background 0.2s, transform 0.2s;
    box-shadow: 0 2px 12px rgba(0,0,0,0.3);
}

.ygp-modal-close svg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.ygp-modal-close:hover {
    opacity: 1;
    background: rgba(229,62,62,0.85) !important;
    transform: scale(1.1);
    border: none !important;
}

.ygp-modal-close:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 3px;
}

.ygp-modal-video-wrap {
    position: relative;
    padding-top: 56.25%;
    background: #000;
}

.ygp-modal-loader {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #0a0a0a;
}

.ygp-loader-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255,255,255,0.15);
    border-top-color: var(--ygp-red);
    border-radius: 50%;
    animation: ygpSpin 0.7s linear infinite;
}

.ygp-modal-video-wrap iframe,
#ygp_player {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.ygp-modal-video-wrap iframe {
    z-index: 2;
}

/* ============ NO RESULTS ============ */
.ygp-no-results {
    text-align: center;
    padding: 64px 24px;
    font-size: 16px;
    color: var(--ygp-text-muted);
    background: var(--ygp-surface);
    border-radius: var(--ygp-radius-lg);
    box-shadow: var(--ygp-shadow-sm);
    border: 1px dashed var(--ygp-border);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1100px) {
    .ygp-gallery-grid {
        --ygp-columns: 2;
    }
}

@media (max-width: 820px) {
    .ygp-search-box {
        flex: 1 1 100%;
        max-width: none;
    }
}

@media (max-width: 900px) {
    .ygp-gallery-grid {
        --ygp-columns: 1!important;
        gap: 18px;
    }
}

@media (max-width: 768px) {
    .ygp-gallery-toolbar {
        padding: 14px 16px;
        gap: 10px;
    }

    .ygp-toolbar-top {
        flex-direction: column;
        align-items: stretch;
    }

    .ygp-result-count {
        text-align: center;
        justify-content: center;
    }

    .ygp-search-box {
        min-width: 0;
    }

    .ygp-search-box-head {
        flex-direction: row;
        align-items: baseline;
    }

    .ygp-toolbar-bottom {
        padding-top: 10px;
    }

    .ygp-filter-bar {
        justify-content: center;
    }

    .ygp-modal-content {
        width: 96%;
        border-radius: 10px;
    }

    .ygp-modal-close {
        top: 8px;
        right: 8px;
        width: 36px;
        height: 36px;
    }
}

@media (max-width: 600px) {
    .ygp-search-box-head {
        flex-direction: column;
        align-items: flex-start;
    }

    .ygp-search-hint {
        white-space: normal;
    }

    .ygp-search-box-field {
        height: 48px;
        border-radius: 13px;
    }

    .ygp-search-input {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .ygp-gallery-wrapper {
        padding: 10px 0;
    }

    .ygp-gallery-toolbar {
        padding: 12px 0;
        border-radius: 0;
        border-left: none;
        border-right: none;
    }

    .ygp-search-box-head {
        flex-direction: column;
        align-items: flex-start;
        gap: 2px;
    }

    .ygp-search-label {
        font-size: 11px;
    }

    .ygp-search-hint {
        font-size: 11px;
        white-space: normal;
    }

    .ygp-video-info {
        padding: 14px;
    }

    .ygp-video-title {
        font-size: 14px;
    }

    .ygp-pagination a,
    .ygp-pagination span {
        min-width: 36px;
        height: 36px;
        padding: 0 10px;
        font-size: 13px;
    }

    .ygp-load-more-btn {
        width: 100%;
        padding: 12px 20px;
    }
}