/* ===== Dark AI Studio — цветовая система ===== */
:root {
    --ai-bg: #0B0F1F;
    --ai-bg-surface: #11162A;
    --ai-primary: #7B3FE4;
    --ai-cyan: #00D4FF;
    --ai-yellow: #FFD84D;
    --ai-text: #e8eaef;
    --ai-text-muted: #AAB2D5;
    --ai-glass: rgba(255, 255, 255, 0.05);
    --ai-glass-border: rgba(255, 255, 255, 0.1);
    --ai-glow-purple: rgba(123, 63, 228, 0.4);
    --ai-glow-cyan: rgba(0, 212, 255, 0.35);
    --ai-glow-yellow: rgba(255, 216, 77, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body { height: 100%; }

body {
    font-family: 'Inter', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: color 0.35s;
    position: relative;
    isolation: isolate;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ===== Dark theme — космос: туманность + звёзды + глубина ===== */
[data-theme="dark"] {
    background:
        radial-gradient(900px 600px at 15% 10%, rgba(123, 63, 228, 0.35), transparent 60%),
        radial-gradient(800px 520px at 85% 15%, rgba(0, 212, 255, 0.22), transparent 60%),
        radial-gradient(700px 600px at 60% 95%, rgba(255, 216, 77, 0.12), transparent 65%),
        linear-gradient(180deg, #070A16 0%, #0B0F1F 55%, #0F1631 100%);
    background-attachment: fixed;
    color: var(--ai-text);
    box-shadow:
        inset 0 0 160px rgba(123, 63, 228, 0.18),
        inset 0 0 220px rgba(0, 212, 255, 0.12);
}

/* Крупные звёзды */
body[data-theme="dark"]::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    opacity: 0.80;
    mix-blend-mode: normal;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='900' height='1600'%3E%3Crect width='100%25' height='100%25' fill='none'/%3E%3Cg fill='white'%3E%3Ccircle cx='40' cy='60' r='1' opacity='.35'/%3E%3Ccircle cx='120' cy='220' r='1.2' opacity='.55'/%3E%3Ccircle cx='300' cy='140' r='.8' opacity='.35'/%3E%3Ccircle cx='520' cy='90' r='1' opacity='.45'/%3E%3Ccircle cx='760' cy='210' r='1.4' opacity='.6'/%3E%3Ccircle cx='860' cy='420' r='1' opacity='.4'/%3E%3Ccircle cx='640' cy='520' r='1.1' opacity='.55'/%3E%3Ccircle cx='200' cy='560' r='1.6' opacity='.7'/%3E%3Ccircle cx='420' cy='760' r='.9' opacity='.35'/%3E%3Ccircle cx='820' cy='860' r='1.2' opacity='.55'/%3E%3Ccircle cx='120' cy='980' r='1' opacity='.4'/%3E%3Ccircle cx='560' cy='1100' r='1.7' opacity='.75'/%3E%3Ccircle cx='780' cy='1280' r='1' opacity='.35'/%3E%3Ccircle cx='260' cy='1380' r='1.3' opacity='.6'/%3E%3Ccircle cx='660' cy='1480' r='1.1' opacity='.5'/%3E%3C/g%3E%3C/svg%3E");
    background-size: 900px 1600px;
    background-repeat: repeat;
    filter: none;
    z-index: -1;
}

/* Мелкие звёзды — второй слой глубины */
body[data-theme="dark"]::after {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    opacity: 0.35;
    background:
        radial-gradient(circle at 10% 20%, rgba(255, 255, 255, 0.5) 0 1px, transparent 2px),
        radial-gradient(circle at 30% 80%, rgba(255, 255, 255, 0.35) 0 1px, transparent 2px),
        radial-gradient(circle at 70% 30%, rgba(255, 255, 255, 0.4) 0 1px, transparent 2px),
        radial-gradient(circle at 90% 70%, rgba(255, 255, 255, 0.25) 0 1px, transparent 2px);
    background-size: 220px 220px;
    background-repeat: repeat;
    filter: none;
    z-index: -1;
}

[data-theme="dark"] header {
    background: rgba(11, 15, 31, 0.85);
    backdrop-filter: blur(20px);
    border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] button {
    background-color: var(--ai-bg-surface);
    color: var(--ai-text);
}

[data-theme="dark"] input {
    background-color: var(--ai-bg-surface);
    color: var(--ai-text);
    border: 1px solid var(--ai-glass-border);
}

[data-theme="dark"] .prompt-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .modal-content-bg {
    background: rgba(17, 22, 42, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid var(--ai-glass-border);
}

[data-theme="dark"] #modalBackdrop {
    background-color: rgba(0, 0, 0, 0.75);
}

[data-theme="light"] {
    background-color: #f5f5f7;
    color: #1d1d1f;
}

[data-theme="light"] header {
    background-color: rgba(255, 255, 255, 0.95);
    border-color: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] button {
    background-color: #ffffff;
    color: #1d1d1f;
}

[data-theme="light"] input {
    background-color: #ffffff;
    color: #1d1d1f;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .prompt-card {
    background-color: #ffffff;
}

[data-theme="light"] .modal-content-bg {
    background-color: #ffffff;
}

[data-theme="light"] #modalBackdrop {
    background-color: rgba(0, 0, 0, 0.5);
}

/* ===== Header — заголовок по центру + подзаголовок ===== */
.ai-header {
    border-bottom-width: 1px;
    padding: 12px 16px;
}

.ai-header-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    max-width: 100%;
}

.ai-brand {
    text-align: center;
}

.ai-title {
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(90deg,
        var(--ai-primary) 0%,
        var(--ai-cyan) 55%,
        var(--ai-yellow) 100%);
    background-size: 100% auto;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    filter: drop-shadow(0 0 12px rgba(123, 63, 228, 0.5));
}

.ai-title-emoji {
    color: inherit;
    opacity: 0.55;
    margin: 0 3px;
    font-weight: 400;
}

[data-theme="dark"] .ai-title {
    filter: drop-shadow(0 0 14px rgba(123, 63, 228, 0.55)) drop-shadow(0 0 28px rgba(0, 212, 255, 0.2));
}

.ai-subtitle {
    font-size: 0.7rem;
    color: var(--ai-text-muted);
    margin-top: 2px;
    font-weight: 500;
}

.ai-theme-toggle {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    padding: 8px;
    border-radius: 9999px;
    border: 1px solid var(--ai-glass-border);
    background: var(--ai-glass);
    cursor: pointer;
    transition: all 0.25s ease;
}

/* ===== Верхний переключатель Фото / Видео (capsule) ===== */
.ai-tab-capsule {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    padding: 6px 8px;
    margin: 12px 16px;
    max-width: 280px;
    margin-left: auto;
    margin-right: auto;
    background: var(--ai-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--ai-glass-border);
    border-radius: 999px;
    z-index: 10;
    position: relative;
}

.ai-tab-capsule .media-tab-btn {
    flex: 1;
    padding: 6px 16px;
    margin: 0;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    background: transparent;
    color: var(--ai-text-muted);
    position: relative;
}

.ai-tab-capsule .media-tab-btn.active {
    background: linear-gradient(90deg, rgba(123, 63, 228, 0.60), rgba(0, 212, 255, 0.60));
    color: #fff;
    box-shadow:
        0 2px 8px rgba(123, 63, 228, 0.20),
        inset 0 0 0 1px rgba(255, 255, 255, 0.12);
}

[data-theme="dark"] .ai-tab-capsule .media-tab-btn:not(.active) {
    color: var(--ai-text-muted);
}

/* ===== Light theme — capsule переключатель ===== */
[data-theme="light"] .ai-tab-capsule {
    background: rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.10);
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .ai-tab-capsule .media-tab-btn {
    color: #666;
    position: relative;
}

[data-theme="light"] .ai-tab-capsule .media-tab-btn.active {
    background: linear-gradient(90deg, #7B3FE4, #00D4FF);
    color: #fff;
    transform: translateY(-1px);
    box-shadow:
        0 2px 8px rgba(123, 63, 228, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

[data-theme="light"] .ai-tab-capsule .media-tab-btn:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 25%;
    bottom: 25%;
    width: 1px;
    background: rgba(0, 0, 0, 0.10);
}

/* ===== Фильтры (категории) — тонкая прозрачная полоса ===== */
.ai-filters {
    margin: 0 16px 12px;
    padding: 5px 10px;
    background: transparent;
    border: none;
    border-radius: 999px;
    min-height: 36px;
    display: flex;
    align-items: center;
}

.ai-filters-inner {
    overflow-x: auto;
    width: 100%;
}

.category-pills-row {
    display: flex;
    gap: 8px;
    align-items: center;
}

/* ===== Masonry Grid — JS-masonry, порядок слева направо ===== */
.masonry-grid {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.masonry-col {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-width: 0;
}

/* ===== Карточки — тёмный glass без blur-пластика ===== */
.prompt-card {
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: block;
    width: 100%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}

.prompt-card:hover {
    transform: scale(1.02);
    box-shadow:
        0 4px 16px rgba(123, 63, 228, 0.15),
        0 2px 8px rgba(0, 212, 255, 0.06),
        inset 0 0 0 1px rgba(255, 255, 255, 0.07);
}

.prompt-card-image {
    position: relative;
    width: 100%;
    display: block;
}

/* Scrim поверх изображения — затемнение для бейджей и глубины */
.prompt-card-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(11, 15, 31, 0.62), transparent 45%);
    z-index: 1;
    pointer-events: none;
}

.prompt-card-image img {
    width: 100%;
    height: auto;
    display: block;
    background: var(--ai-bg-surface);
    min-height: 60px; /* минимум на время загрузки, не резервировать лишнее */
}

.video-trend-card {
    display: block;
    width: 100%;
}

.video-trend-preview {
    width: 100%;
    height: auto;
    display: block;
    min-height: 150px;
    object-fit: contain;
    background: var(--ai-bg-surface);
}

/* Badges Container */
.badges-container-left {
    position: absolute;
    top: 8px;
    left: 8px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    z-index: 2;
}

/* Category Badge (top right) — приглушённый голубой */
.category-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.55), rgba(0, 160, 210, 0.45));
    backdrop-filter: blur(8px);
    color: #fff;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    z-index: 2;
    box-shadow: 0 0 8px rgba(0, 212, 255, 0.18);
    text-transform: capitalize;
}

/* TOP Badge — градиент фиолет → розовый + тихое свечение */
.top-badge {
    background: linear-gradient(135deg, var(--ai-primary), #e879f9);
    backdrop-filter: blur(8px);
    color: white;
    padding: 3px 9px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 0 10px rgba(123, 63, 228, 0.28);
    animation: pulse-top 5s ease-in-out infinite;
}

/* PRO Badge — жёлтый, тихое свечение */
.pro-badge {
    background: linear-gradient(135deg, var(--ai-yellow), #fde047);
    backdrop-filter: blur(8px);
    color: #0B0F1F;
    padding: 3px 9px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 0 10px rgba(255, 216, 77, 0.25);
    animation: shine-pro 6s ease-in-out infinite;
}

@keyframes pulse-top {
    0%, 100% { box-shadow: 0 0 10px rgba(123, 63, 228, 0.25); }
    50%       { box-shadow: 0 0 14px rgba(123, 63, 228, 0.38); }
}

@keyframes shine-pro {
    0%, 100% { box-shadow: 0 0 10px rgba(255, 216, 77, 0.22); }
    50%       { box-shadow: 0 0 14px rgba(255, 216, 77, 0.35); }
}

/* Hover Overlay */
.prompt-card-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    opacity: 0;
    transition: opacity 0.3s ease;
    padding: 16px;
    pointer-events: none;
}

/* Show overlay only on non-touch devices (desktop with mouse) */
@media (hover: hover) and (pointer: fine) {
    .prompt-card:hover .prompt-card-overlay {
        opacity: 1;
        pointer-events: auto;
    }
}

/* For touch devices - overlay shows only via JS click, not hover */
.prompt-card.overlay-active .prompt-card-overlay {
    opacity: 1;
}

.prompt-card.overlay-active.overlay-clickable .prompt-card-overlay {
    pointer-events: auto;
}

.overlay-btn {
    width: 100%;
    max-width: 200px;
    padding: 10px 20px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

.overlay-btn-primary {
    background: linear-gradient(90deg, var(--ai-primary), var(--ai-cyan));
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 0 10px rgba(123, 63, 228, 0.28);
}

.overlay-btn-small {
    padding: 8px 16px;
    font-size: 13px;
}

.overlay-btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.overlay-btn:active {
    transform: scale(0.95);
}

/* ===== Category Pills (фильтры) — стеклянные, активный с градиентом ===== */
.scrollbar-hide::-webkit-scrollbar {
    display: none;
}

.scrollbar-hide {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.category-pill {
    padding: 5px 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
    border: 1px solid rgba(255, 255, 255, 0.07);
    transition: all 0.3s ease;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.02);
    color: var(--ai-text-muted);
}

.category-pill.active {
    background: rgba(123, 63, 228, 0.09);
    color: #fff;
    border-color: rgba(123, 63, 228, 0.50);
    box-shadow:
        0 0 6px rgba(123, 63, 228, 0.15),
        inset 0 0 0 1px rgba(123, 63, 228, 0.35);
}

.category-pill:not(.active):hover {
    border-color: rgba(255, 255, 255, 0.15);
    color: var(--ai-text);
}

[data-theme="light"] .category-pill:not(.active) {
    color: #555;
}

[data-theme="light"] .category-pill.active {
    color: #fff;
}

/* ===== Load More Button ===== */
.load-more-btn {
    padding: 14px 32px;
    border-radius: 16px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 1px solid var(--ai-glass-border);
    background: var(--ai-glass);
    color: var(--ai-cyan);
}

.load-more-btn:hover {
    background: linear-gradient(90deg, var(--ai-primary), var(--ai-cyan));
    color: #fff;
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 4px 20px var(--ai-glow-purple);
}

.load-more-btn:active {
    transform: translateY(0);
}

/* ===== Modal ===== */
#promptModal {
    animation: fadeIn 0.3s ease;
}

.modal-content-bg {
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4), 0 0 0 1px var(--ai-glass-border);
}

/* ===== Animations ===== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.35s ease;
}

.slide-up {
    animation: slideUp 0.3s ease;
}

/* ===== Custom Scrollbar ===== */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--ai-primary);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--ai-cyan);
}

/* ===== Responsive ===== */
@media (max-width: 640px) {
    .masonry-grid {
        gap: 10px;
    }
    .masonry-col {
        gap: 10px;
    }
}

/* ===== AI Video Overlay — полноэкранный плеер в стиле нейро-панели ===== */
.ai-video-modal {
    background: rgba(10, 14, 30, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.ai-video-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    z-index: 10;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    cursor: pointer;
    transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.ai-video-close:hover {
    border-color: var(--ai-cyan);
    box-shadow: 0 0 20px var(--ai-glow-cyan);
}

.ai-video-glass-wrap {
    padding: 14px;
    max-width: 100%;
    max-height: 100%;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.06),
        0 0 28px rgba(123, 63, 228, 0.22),
        0 0 40px rgba(0, 212, 255, 0.10),
        inset 0 0 40px rgba(123, 63, 228, 0.04);
    position: relative;
    animation: ai-video-glow-pulse 8s ease-in-out infinite;
}

@keyframes ai-video-glow-pulse {
    0%, 100% {
        box-shadow: 0 0 0 1px rgba(255,255,255,0.06), 0 0 28px rgba(123,63,228,0.22), 0 0 40px rgba(0,212,255,0.10), inset 0 0 40px rgba(123,63,228,0.04);
    }
    50% {
        box-shadow: 0 0 0 1px rgba(255,255,255,0.07), 0 0 34px rgba(123,63,228,0.28), 0 0 48px rgba(0,212,255,0.13), inset 0 0 48px rgba(123,63,228,0.06);
    }
}

.ai-video-player {
    display: block;
    max-width: 100%;
    max-height: calc(100vh - 180px);
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 16px;
    background: #000;
}

.ai-video-footer {
    display: flex;
    justify-content: center;
    padding-left: 1rem;
    padding-right: 1rem;
}

.ai-video-repeat-btn {
    width: 100%;
    max-width: 320px;
    padding: 14px 28px;
    border: none;
    border-radius: 18px;
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    cursor: pointer;
    background: linear-gradient(90deg, var(--ai-primary), var(--ai-cyan), var(--ai-yellow));
    background-size: 200% 100%;
    box-shadow:
        0 4px 18px var(--ai-glow-purple),
        inset 0 1px 0 rgba(255, 255, 255, 0.18);
    transition: all 0.3s ease;
}

.ai-video-repeat-btn:hover {
    background-position: 100% 0;
    box-shadow:
        0 6px 22px var(--ai-glow-purple),
        0 0 28px rgba(0, 212, 255, 0.18),
        inset 0 1px 0 rgba(255, 255, 255, 0.22);
    transform: translateY(-1px);
}

.ai-video-repeat-btn:active {
    transform: translateY(0);
}

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(90deg, 
        var(--ai-glass) 25%, 
        rgba(123, 63, 228, 0.15) 50%, 
        var(--ai-glass) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ===== Кнопка "Наверх" ===== */
.scroll-top-btn {
    position: fixed;
    bottom: 24px;
    right: 16px;
    z-index: 40;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid rgba(123, 63, 228, 0.35);
    background: rgba(11, 15, 31, 0.80);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: var(--ai-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transform: translateY(12px) scale(0.9);
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease, box-shadow 0.25s ease;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.scroll-top-btn.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.scroll-top-btn:hover {
    border-color: var(--ai-cyan);
    box-shadow:
        0 4px 20px rgba(0, 0, 0, 0.3),
        0 0 16px rgba(0, 212, 255, 0.25);
    transform: translateY(-2px) scale(1.05);
}

.scroll-top-btn:active {
    transform: translateY(0) scale(0.96);
}

[data-theme="light"] .scroll-top-btn {
    background: rgba(255, 255, 255, 0.90);
    border-color: rgba(123, 63, 228, 0.25);
    color: #7B3FE4;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}