/* ——— Theme ——— */
:root{
    --bg:#0e1015; --bg-soft:#121521; --ink:#e9edf6; --ink-dim:#a7b0c3;
    --brand:#7aa2ff; --brand-2:#c38fff; --muted:#8a93a8;
    --card:#121523; --card-bd:#1a2033; --accent:#27345a;
    --success:#6ee7b7; --danger:#ff8c8c;
    --shadow:0 10px 40px rgba(0,0,0,.35);
    --radius:18px; --radius-lg:26px;
    --progress:#7aa2ff;
}
:root[data-theme="light"]{
    --bg:#f6f7fb; --bg-soft:#fff; --ink:#0b1020; --ink-dim:#3d4559;
    --brand:#355cff; --brand-2:#7b2cff; --muted:#5b6378;
    --card:#fff; --card-bd:#e9ecf5; --accent:#e7ebff;
    --shadow:0 8px 32px rgba(18,24,40,.10);
}

/* ——— Base ——— */
*{box-sizing:border-box}
html,body{height:100%}
body{
    margin:0; color:var(--ink);
    background:
            radial-gradient(1200px 800px at 82% -10%, rgba(122,162,255,.12), transparent 60%),
            radial-gradient(900px 600px at -10% 30%, rgba(195,143,255,.10), transparent 60%),
            var(--bg);
    font:16px/1.7 ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Noto Sans","Apple Color Emoji","Segoe UI Emoji";
    text-rendering:optimizeLegibility; -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale;
}

/* Accessibility */
.skip-link{
    position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden;
}
.skip-link:focus{position:fixed;left:12px;top:12px;width:auto;height:auto;padding:8px 12px;background:var(--bg-soft);border:1px solid var(--card-bd);border-radius:10px;z-index:999}

/* ——— Header ——— */
.site-header{
    display:flex;align-items:center;justify-content:space-between;
    padding:16px 22px; position:sticky; top:0; backdrop-filter:blur(8px);
    background:color-mix(in oklab, var(--bg) 80%, transparent);
    border-bottom:1px solid color-mix(in oklab, var(--ink) 10%, transparent);
    z-index:100;
}
.brand{color:var(--ink);text-decoration:none;font-weight:800;letter-spacing:.2px}
.site-actions{display:flex;gap:10px;align-items:center}
.theme-toggle{
    border:1px solid color-mix(in oklab,var(--ink) 10%, transparent);
    background:var(--bg-soft); color:var(--ink);
    padding:8px 10px; border-radius:12px; cursor:pointer;
}

/* Progress bar */
#progressBar{
    position:fixed;left:0;top:0;height:3px;width:100%;
    background:linear-gradient(90deg, var(--progress), color-mix(in oklab, var(--brand-2) 60%, var(--progress)));
    transform-origin:0 50%;
    transform:scaleX(var(--progress, 0));
    transition:transform .1s linear;
    z-index:120;
}

/* ——— Layout ——— */
.page{max-width:1100px;margin:30px auto 64px;padding:0 20px}

/* ——— Home Hero ——— */
.hero{
    position:relative; display:grid; gap:18px; grid-template-columns: 1.1fr .9fr;
    padding:28px 24px; border:1px solid var(--card-bd); border-radius:var(--radius-lg);
    background:linear-gradient(145deg, color-mix(in oklab, var(--brand) 12%, var(--bg) 88%) 0%, var(--bg-soft) 60%);
    box-shadow:var(--shadow); overflow:hidden;
}
.hero-copy h1{margin:0 0 8px;font-size:40px;letter-spacing:.2px}
.hero-copy p{margin:0;color:var(--ink-dim)}
.search{margin-top:14px}
.search input{
    width:100%; padding:10px 12px; border-radius:12px;
    border:1px solid var(--card-bd); background:var(--bg); color:var(--ink);
}
.hero-images{position:relative; min-height:200px}
.polaroid{
    position:absolute; width:44%; aspect-ratio:4/3; object-fit:cover;
    border:6px solid #fff; border-bottom-width:24px; border-radius:8px;
    box-shadow:0 10px 30px rgba(0,0,0,.35);
    transform:rotate(-3deg);
}
.polaroid-a{left:4%; top:0; transform:rotate(-6deg)}
.polaroid-b{right:6%; top:20%; transform:rotate(5deg)}
.polaroid-c{left:18%; bottom:-10px; width:36%; transform:rotate(2deg)}
.hero-doodle{position:absolute; right:-12px; bottom:-8px; width:160px; opacity:.5; pointer-events:none}

/* ——— Footer ——— */
.site-footer{
    text-align:center; color:var(--muted);
    padding:28px 20px; border-top:1px solid color-mix(in oklab, var(--ink) 10%, transparent);
}
.footer-inner{display:flex;gap:12px;justify-content:center;align-items:center;flex-wrap:wrap}
.footer-link{color:var(--brand);text-decoration:none}

/* ——— Shelf / Cards ——— */
.shelf{
    display:grid; gap:16px; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    margin:22px 0 10px;
}
.card{
    position:relative; display:flex; flex-direction:column; text-decoration:none; color:var(--ink);
    border:1px solid var(--card-bd); border-radius:var(--radius); background:var(--card);
    box-shadow:var(--shadow); overflow:hidden; transition:transform .15s ease, border-color .2s ease;
}
.card--feature{grid-column: span 2}
.card:hover{transform:translateY(-2px);border-color:color-mix(in oklab, var(--brand) 30%, var(--card-bd))}
.card-media{position:relative; overflow:hidden; aspect-ratio: 16/9; background:var(--bg)}
.card-media img{width:100%; height:100%; object-fit:cover; display:block; filter:saturate(1.05)}
.card-body{padding:16px}
.card-title{margin:0 0 8px; font-size:20px; font-weight:800}
.card-excerpt{margin:0 0 10px; color:var(--muted)}
.card-meta{margin:0 0 6px; color:var(--ink-dim); font-size:.92em}
.card-cta{font-weight:700; color:var(--brand)}

/* ——— Reader ——— */
.reader .title{
    font-size:38px; line-height:1.2; margin:10px 0 6px; letter-spacing:.2px;
    background:linear-gradient(90deg, var(--ink), color-mix(in oklab, var(--brand) 40%, var(--ink)));
    -webkit-background-clip:text; -webkit-text-fill-color:transparent;
}
.subtitle{margin:0;color:var(--muted);font-weight:600}

.story-hero{
    position:relative; margin:6px 0 18px; padding:16px;
    border:1px solid var(--card-bd); border-radius:var(--radius-lg);
    background:
            radial-gradient(700px 380px at 88% -20%, color-mix(in oklab, var(--brand-2) 18%, transparent), transparent 55%),
            var(--bg-soft);
    box-shadow:var(--shadow); overflow:hidden;
}
.hero-badge{
    display:inline-block; padding:6px 10px; border-radius:999px;
    background:color-mix(in oklab, var(--brand) 20%, var(--bg)); color:var(--ink); font-weight:700; font-size:.85em;
}
.cover{
    float:right; margin:0 0 10px 18px; width:min(42%, 380px); aspect-ratio:4/3; border-radius:14px; overflow:hidden;
    box-shadow:0 16px 40px rgba(0,0,0,.35); transform:rotate(2deg);
}
.cover img{width:100%; height:100%; object-fit:cover; display:block}

/* Decorative asymmetric elements */
.decor{position:absolute; pointer-events:none; opacity:.55; mix-blend:screen}
.decor-blob-a{right:-40px; top:-30px; width:220px}
.decor-blob-b{left:-50px; bottom:-50px; width:240px; opacity:.35}
.decor-doodle{left:12px; top:12px; width:120px; opacity:.35}

/* prose */
.prose p{margin:0 0 16px; white-space: break-spaces;}
.prose p.lead{font-size:1.05em; text-wrap:pretty; white-space: break-spaces;}
.prose p.lead::first-letter{
    float:left; font-size:3em; line-height:.8; padding:.08em .14em .08em 0;
    color:color-mix(in oklab, var(--brand) 75%, var(--ink)); font-weight:800;
}
.reader .story{
    padding:18px 20px; border:1px solid var(--card-bd); border-radius:var(--radius);
    background:var(--bg-soft); box-shadow:var(--shadow);
}

/* actions */
.reader-actions{display:flex;gap:10px;margin:14px 0 6px;flex-wrap:wrap}
.btn{
    display:inline-flex; align-items:center; justify-content:center;
    font-weight:700; text-decoration:none; color:var(--ink);
    padding:9px 12px; border:1px solid var(--card-bd); border-radius:12px;
    background:var(--bg-soft); cursor:pointer;
}
.btn:hover{border-color:color-mix(in oklab, var(--brand) 35%, var(--card-bd))}

/* choices */
.next{margin-top:24px}
.section-title{margin:0 0 8px; font-size:20px; letter-spacing:.3px}
.section-sub{margin:0 0 14px; color:var(--muted)}
.choices{
    display:grid; gap:12px; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}
.choice{
    display:flex; flex-direction:column; justify-content:space-between;
    border:1px solid var(--card-bd); border-radius:16px; background:var(--card);
    padding:14px; text-decoration:none; color:var(--ink); box-shadow:var(--shadow); min-height:108px;
    transition: transform .15s ease, border-color .2s ease, background .2s ease;
}
.choice:hover{transform:translateY(-2px);border-color:color-mix(in oklab, var(--brand) 30%, var(--card-bd))}
.choice-title{font-weight:800}
.choice-cta{margin-top:10px; color:var(--brand); font-weight:700}
.choice.disabled{opacity:.6; pointer-events:none}
.meta{color:var(--muted); margin-top:10px}

/* Responsive */
@media (max-width: 900px){
    .hero{grid-template-columns:1fr}
    .cover{float:none; width:100%; transform:none; margin:0 0 14px 0}
    .decor-blob-a,.decor-blob-b,.decor-doodle{display:none}
    .card--feature{grid-column:auto}
}

/* Reduce motion (accessibility) */
@media (prefers-reduced-motion: reduce){
    *{scroll-behavior:auto !important; transition:none !important}
}