/* ============================================================
   Playground — Simam Digital
   Modern dark gallery design system
   ============================================================ */

:root {
    --bg: #07070d;
    --bg-soft: #0c0c16;
    --text: #ececf5;
    --muted: #9090a8;
    --muted-2: #6c6c84;
    --line: rgba(255, 255, 255, 0.08);
    --line-strong: rgba(255, 255, 255, 0.14);
    --glass: rgba(255, 255, 255, 0.035);
    --glass-hi: rgba(255, 255, 255, 0.06);
    --accent: #8b8cf8;
    --accent-2: #22d3ee;
    --radius: 18px;
    --radius-sm: 12px;
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
    --maxw: 1240px;
    --shadow: 0 24px 60px -24px rgba(0, 0, 0, 0.7);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.55;
    min-height: 100dvh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

body.viewing { overflow: hidden; }

a { color: inherit; text-decoration: none; }
em { font-style: normal; background: linear-gradient(120deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---------- Ambient background ---------- */

.bg-aurora {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    background:
        radial-gradient(1200px 800px at 80% -10%, rgba(34, 211, 238, 0.08), transparent 60%),
        radial-gradient(1000px 700px at 10% 0%, rgba(139, 140, 248, 0.10), transparent 55%),
        var(--bg);
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    will-change: transform;
}

.orb-1 { width: 540px; height: 540px; left: -120px; top: -80px; background: #6d5cff; animation: float1 22s var(--ease) infinite; }
.orb-2 { width: 460px; height: 460px; right: -100px; top: 120px; background: #15b8c9; animation: float2 26s var(--ease) infinite; }
.orb-3 { width: 420px; height: 420px; left: 40%; top: 480px; background: #c026d3; opacity: 0.28; animation: float3 30s var(--ease) infinite; }

@keyframes float1 { 50% { transform: translate(80px, 60px) scale(1.1); } }
@keyframes float2 { 50% { transform: translate(-70px, 50px) scale(1.08); } }
@keyframes float3 { 50% { transform: translate(40px, -60px) scale(0.92); } }

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--line) 1px, transparent 1px),
        linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(circle at 50% 20%, black, transparent 75%);
    -webkit-mask-image: radial-gradient(circle at 50% 20%, black, transparent 75%);
    opacity: 0.35;
}

@media (prefers-reduced-motion: reduce) {
    .orb { animation: none; }
    html { scroll-behavior: auto; }
}

/* ---------- Layout ---------- */

.gallery {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 clamp(18px, 4vw, 40px);
    transition: opacity 0.4s var(--ease), filter 0.4s var(--ease);
}

.gallery.dimmed { opacity: 0; filter: blur(8px); pointer-events: none; }

/* ---------- Topbar ---------- */

.topbar {
    position: sticky;
    top: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 0;
    margin-bottom: 8px;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.topbar::after {
    content: '';
    position: absolute;
    inset: 0 -100vw;
    z-index: -1;
    background: linear-gradient(180deg, rgba(7, 7, 13, 0.85), rgba(7, 7, 13, 0));
    border-bottom: 1px solid transparent;
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo { border-radius: 10px; box-shadow: 0 6px 20px -6px rgba(109, 92, 255, 0.6); }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong { font-family: 'Space Grotesk', sans-serif; font-size: 18px; letter-spacing: -0.01em; }
.brand-text small { font-size: 11px; color: var(--muted); letter-spacing: 0.02em; }

.topbar-actions { display: flex; align-items: center; gap: 12px; }

.search {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 14px;
    background: var(--glass);
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--muted);
    transition: border-color 0.2s, background 0.2s;
}
.search:focus-within { border-color: var(--line-strong); background: var(--glass-hi); color: var(--text); }
.search input {
    border: none;
    background: none;
    outline: none;
    color: var(--text);
    font: inherit;
    font-size: 14px;
    width: 180px;
}
.search input::placeholder { color: var(--muted-2); }

.ext-link {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--muted);
    padding: 9px 14px;
    border: 1px solid var(--line);
    border-radius: 999px;
    transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.ext-link:hover { color: var(--text); border-color: var(--line-strong); background: var(--glass); }

/* ---------- Hero ---------- */

.hero {
    padding: clamp(48px, 9vw, 110px) 0 clamp(32px, 5vw, 56px);
    max-width: 860px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
    padding: 7px 14px;
    border: 1px solid var(--line-strong);
    border-radius: 999px;
    background: var(--glass);
}

.hero h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    font-size: clamp(34px, 6.4vw, 68px);
    line-height: 1.04;
    letter-spacing: -0.03em;
    margin: 22px 0 18px;
}

.hero-sub { font-size: clamp(15px, 2vw, 18px); color: var(--muted); max-width: 560px; }

.hero-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 28px;
    font-size: 14px;
    color: var(--muted);
}
.hero-meta b { color: var(--text); font-weight: 600; }
.hero-meta .dot { width: 4px; height: 4px; border-radius: 50%; background: var(--muted-2); }

/* ---------- Filters ---------- */

.filters {
    position: sticky;
    top: 66px;
    z-index: 40;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 14px 0;
    margin-bottom: 14px;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.filters::before {
    content: '';
    position: absolute;
    inset: 0 -100vw;
    z-index: -1;
    background: rgba(7, 7, 13, 0.72);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 16px;
    font: inherit;
    font-size: 13px;
    font-weight: 500;
    color: var(--muted);
    background: var(--glass);
    border: 1px solid var(--line);
    border-radius: 999px;
    cursor: pointer;
    transition: all 0.22s var(--ease);
}
.chip:hover { color: var(--text); border-color: var(--line-strong); transform: translateY(-1px); }
.chip-icon { width: 16px; height: 16px; opacity: 0.85; }
.chip.active {
    color: #fff;
    background: linear-gradient(120deg, rgba(139, 140, 248, 0.22), rgba(34, 211, 238, 0.16));
    border-color: rgba(139, 140, 248, 0.55);
    box-shadow: 0 8px 24px -10px rgba(109, 92, 255, 0.6);
}

/* ---------- Grid + Cards ---------- */

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
    gap: 22px;
    padding-bottom: 40px;
}

.card {
    position: relative;
    display: flex;
    flex-direction: column;
    text-align: left;
    font: inherit;
    color: var(--text);
    background: var(--glass);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
    opacity: 0;
    transform: translateY(22px);
    transition:
        opacity 0.6s var(--ease) calc(var(--i, 0) * 35ms),
        transform 0.6s var(--ease) calc(var(--i, 0) * 35ms),
        border-color 0.3s, box-shadow 0.3s;
}
.card.in { opacity: 1; transform: none; }
.card:hover {
    border-color: color-mix(in srgb, var(--c1) 55%, transparent);
    box-shadow: 0 30px 60px -30px color-mix(in srgb, var(--c1) 60%, black), var(--shadow);
}

.card--featured { grid-column: span 2; }

.card-thumb {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background:
        radial-gradient(120% 120% at 15% 10%, color-mix(in srgb, var(--c1) 55%, transparent), transparent 55%),
        radial-gradient(120% 120% at 90% 90%, color-mix(in srgb, var(--c2) 55%, transparent), transparent 55%),
        linear-gradient(135deg, #14141f, #0c0c14);
}
.card--featured .card-thumb { aspect-ratio: 16 / 8.2; }

.thumb-glow {
    position: absolute;
    inset: 0;
    background: radial-gradient(60% 60% at 50% 120%, color-mix(in srgb, var(--c1) 40%, transparent), transparent 70%);
    opacity: 0.6;
    transition: opacity 0.4s var(--ease);
}
.card:hover .thumb-glow { opacity: 1; }

.thumb-icon {
    position: absolute;
    width: 46%;
    height: 46%;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    opacity: 0.9;
    stroke-width: 1.1;
    filter: drop-shadow(0 8px 24px color-mix(in srgb, var(--c1) 70%, transparent));
    transition: transform 0.5s var(--ease), opacity 0.4s;
}
.card:hover .thumb-icon { transform: translate(-50%, -54%) scale(1.06); }

.card-thumb::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255, 255, 255, 0.12) 1px, transparent 1px);
    background-size: 14px 14px;
    mask-image: linear-gradient(180deg, transparent, black);
    -webkit-mask-image: linear-gradient(180deg, transparent, black);
    opacity: 0.5;
}

.badge {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index: 2;
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 5px 10px;
    border-radius: 999px;
    color: #fff;
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(6px);
}

.card-play {
    position: absolute;
    inset: 0;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 600;
    font-size: 14px;
    color: #fff;
    background: color-mix(in srgb, var(--c1) 32%, rgba(0, 0, 0, 0.55));
    opacity: 0;
    transition: opacity 0.3s var(--ease);
}
.card:hover .card-play { opacity: 1; }
.play-icon { width: 18px; height: 18px; }

.card-body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.card-body h3 { font-family: 'Space Grotesk', sans-serif; font-size: 18px; font-weight: 600; letter-spacing: -0.01em; }
.card-body p { font-size: 13.5px; color: var(--muted); flex: 1; }

.card-cat {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    margin-top: 4px;
    font-size: 12px;
    font-weight: 500;
    color: color-mix(in srgb, var(--c1) 70%, white);
}
.cat-icon { width: 14px; height: 14px; }

/* ---------- Empty ---------- */
.empty { text-align: center; color: var(--muted); padding: 60px 0; font-size: 15px; }

/* ---------- Footer ---------- */
.footer {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    padding: 28px 0 48px;
    border-top: 1px solid var(--line);
    font-size: 13px;
    color: var(--muted-2);
}

/* ---------- Viewer ---------- */

.viewer {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    flex-direction: column;
    background: #05050a;
    opacity: 0;
    transform: scale(1.01);
    transition: opacity 0.32s var(--ease), transform 0.32s var(--ease);
}
.viewer.open { opacity: 1; transform: none; }

.viewer-bar {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 10px 14px;
    background: rgba(10, 10, 18, 0.8);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
    padding-top: max(10px, env(safe-area-inset-top));
}

.vb-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 14px 9px 11px;
    font: inherit;
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    background: var(--glass);
    border: 1px solid var(--line);
    border-radius: 999px;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
}
.vb-btn:hover { background: var(--glass-hi); border-color: var(--line-strong); }

.viewer-title { display: flex; align-items: center; gap: 12px; min-width: 0; flex: 1; }
.viewer-title #viewer-name { font-family: 'Space Grotesk', sans-serif; font-weight: 600; font-size: 15px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.vt-chip {
    flex-shrink: 0;
    font-size: 11px;
    font-weight: 600;
    padding: 5px 11px;
    border-radius: 999px;
    color: #fff;
    background: linear-gradient(120deg, var(--c1, var(--accent)), var(--c2, var(--accent-2)));
}

.viewer-tools { display: flex; align-items: center; gap: 8px; }
.vb-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    color: var(--muted);
    background: var(--glass);
    border: 1px solid var(--line);
    border-radius: 10px;
    cursor: pointer;
    transition: color 0.2s, background 0.2s, border-color 0.2s;
}
.vb-icon:hover { color: var(--text); background: var(--glass-hi); border-color: var(--line-strong); }

.viewer-stage { position: relative; flex: 1; background: #05050a; }
#example-frame { width: 100%; height: 100%; border: none; display: block; }

.viewer-loader {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #05050a;
    z-index: 2;
}
.spinner {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 3px solid rgba(255, 255, 255, 0.12);
    border-top-color: var(--accent);
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- QR modal ---------- */

#qr-modal {
    position: fixed;
    inset: 0;
    margin: auto;
    width: max-content;
    height: max-content;
    padding: 0;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius);
    background: var(--bg-soft);
    color: var(--text);
    box-shadow: var(--shadow);
}
#qr-modal::backdrop { background: rgba(3, 3, 8, 0.7); backdrop-filter: blur(4px); }
.qr-modal-content { padding: 26px; text-align: center; }
.qr-modal-content p { margin-top: 16px; color: var(--muted); font-size: 13px; }
#qr-code img { display: block; margin: 0 auto; border-radius: 8px; }

/* ---------- Responsive ---------- */

@media (max-width: 720px) {
    .ext-link { display: none; }
    .search input { width: 120px; }
    .card--featured { grid-column: span 1; }
    .grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
    .filters { top: 64px; }
    .viewer-title #viewer-name { display: none; }
}

@media (max-width: 460px) {
    .grid { grid-template-columns: 1fr; }
    .vb-btn span { display: none; }
    .vb-btn { padding: 9px; }
}