:root {
    --bg: #050816;
    --panel: rgba(12, 18, 32, 0.82);
    --panel-strong: rgba(17, 24, 39, 0.94);
    --border: rgba(255, 255, 255, 0.1);
    --text: #e5eefc;
    --muted: #94a3b8;
    --accent: #8b5cf6;
    --accent-2: #38bdf8;
    --accent-3: #fbbf24;
    --success: #4ade80;
    --shadow: 0 20px 70px rgba(0, 0, 0, 0.38);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    margin: 0;
    min-height: 100vh;
    color: var(--text);
    background:
        linear-gradient(180deg, rgba(5, 8, 22, 0.55), #050816 42%),
        linear-gradient(135deg, #050816, #111827 52%, #1f1322);
    font-family: Inter, system-ui, sans-serif;
}

button, input, select { font: inherit; }
button { cursor: pointer; }

.page-shell {
    width: min(1480px, 100%);
    margin: 0 auto;
    padding: 0 24px 48px;
}

.hero {
    min-height: 560px;
    margin: 16px 0 20px;
    border: 1px solid var(--border);
    border-radius: 28px;
    overflow: hidden;
    background:
        linear-gradient(90deg, rgba(5, 8, 22, 0.96), rgba(5, 8, 22, 0.72) 42%, rgba(5, 8, 22, 0.18)),
        var(--hero-image),
        linear-gradient(135deg, #111827, #22111b);
    background-size: cover;
    background-position: center;
    box-shadow: var(--shadow);
}

.top-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 18px 22px;
    background: linear-gradient(180deg, rgba(5, 8, 22, 0.88), rgba(5, 8, 22, 0));
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--text);
    text-decoration: none;
}

.brand-mark {
    display: grid;
    width: 44px;
    height: 44px;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    background: linear-gradient(135deg, var(--accent), #6d28d9);
    font-weight: 900;
}

.brand strong, .brand small { display: block; }
.brand small { color: var(--muted); font-size: 0.78rem; margin-top: 2px; }

.nav-actions {
    display: flex;
    gap: 6px;
    padding: 5px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: rgba(5, 8, 22, 0.42);
    backdrop-filter: blur(16px);
}

.nav-actions a {
    color: var(--text);
    text-decoration: none;
    padding: 9px 13px;
    border-radius: 999px;
    font-size: 0.9rem;
}

.nav-actions a:hover { background: rgba(255, 255, 255, 0.08); }

.hero-content {
    display: grid;
    min-height: 450px;
    grid-template-columns: minmax(0, 1fr) 320px;
    align-items: end;
    gap: 28px;
    padding: 48px;
}

.hero-copy { max-width: 720px; }
.eyebrow {
    display: inline-flex;
    color: var(--accent-3);
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.hero h1 {
    margin: 12px 0;
    font-size: clamp(2.4rem, 6vw, 5.8rem);
    line-height: 0.94;
    letter-spacing: 0;
}

.hero p {
    max-width: 660px;
    margin: 0;
    color: #cbd5e1;
    font-size: 1.05rem;
    line-height: 1.7;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }

.primary-action, .secondary-action, .play-button, .chip, .fav-button {
    min-height: 44px;
    border: 1px solid transparent;
    border-radius: 12px;
    color: var(--text);
}

.primary-action, .play-button {
    background: linear-gradient(135deg, var(--accent), #6d28d9);
    box-shadow: 0 14px 30px rgba(139, 92, 246, 0.30);
    font-weight: 800;
}

.primary-action:hover, .play-button:hover {
    filter: brightness(1.06);
}

.primary-action:active, .play-button:active {
    transform: translateY(1px);
}

.primary-action, .secondary-action { padding: 0 20px; }

.secondary-action, .chip {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--border);
}

.stats-panel {
    display: grid;
    gap: 10px;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: rgba(5, 8, 22, 0.68);
    backdrop-filter: blur(18px);
}

.stats-panel div {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 16px;
    padding: 12px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
}

.stats-panel strong { font-size: 1.5rem; }
.stats-panel span { color: var(--muted); font-size: 0.86rem; }

.section-strip, .personal-shelves, .library-panel { margin-top: 24px; }

.system-strip {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding: 4px 0 10px;
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
    padding: 0 14px;
}

.chip span {
    color: #101827;
    background: var(--accent-2);
    border-radius: 999px;
    padding: 2px 7px;
    font-size: 0.75rem;
    font-weight: 800;
}

.chip.is-active { border-color: rgba(56, 189, 248, 0.7); background: rgba(56, 189, 248, 0.14); }

.personal-shelves {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.shelf, .library-panel {
    border: 1px solid var(--border);
    border-radius: 20px;
    background: var(--panel);
    box-shadow: 0 12px 38px rgba(0, 0, 0, 0.22);
}

.shelf { padding: 18px; min-height: 188px; }

.section-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 18px;
}

.section-heading h2 { margin: 4px 0 0; font-size: 1.45rem; }
.section-heading p { margin: 0; color: var(--muted); }

.mini-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
    margin-top: 14px;
}

.mini-card {
    display: grid;
    grid-template-columns: 58px 1fr;
    align-items: center;
    gap: 10px;
    min-height: 72px;
    color: var(--text);
    text-align: left;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.05);
    padding: 8px;
}

.mini-card img, .mini-card .missing-art { width: 58px; height: 48px; border-radius: 10px; object-fit: cover; }
.mini-card strong { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mini-card span { color: var(--muted); font-size: 0.75rem; }
.shelf-empty { margin: 6px 0 0; color: var(--muted); font-size: 0.9rem; }

@media (max-width: 1080px) {
    .hero-content, .library-toolbar, .personal-shelves { grid-template-columns: 1fr; }
    .stats-panel { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 720px) {
    .page-shell { padding: 0 12px 36px; }
    .hero { min-height: auto; border-radius: 20px; }
    .top-nav { align-items: flex-start; }
    .nav-actions { display: none; }
    .hero-content { padding: 28px 18px; }
    .hero h1 { font-size: 2.5rem; }
    .stats-panel, .tools { grid-template-columns: 1fr; }
    .game-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
    .game-card { min-height: 282px; border-radius: 14px; }
    .library-panel { padding: 14px; }
}

@media (max-width: 420px) {
    .game-grid { grid-template-columns: 1fr; }
}