:root {
    --accent: #2b2d31;
    --accent-2: color-mix(in srgb, var(--accent), white 30%);
    --bg: #f6f3ee;
    --surface: rgba(255, 255, 255, .56);
    --surface-strong: rgba(255, 255, 255, .76);
    --text: #15161a;
    --muted: #646873;
    --border: rgba(255, 255, 255, .42);
    --shadow: 0 24px 80px rgba(20, 20, 25, .16);
    --danger: #b42318;
    --radius: 28px;
    font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #08090c;
        --surface: rgba(18, 20, 26, .54);
        --surface-strong: rgba(20, 22, 30, .78);
        --text: #f4f5f7;
        --muted: #a7acb7;
        --border: rgba(255, 255, 255, .16);
        --shadow: 0 24px 80px rgba(0, 0, 0, .48);
    }
}

* { box-sizing: border-box; }
html { color-scheme: light dark; }
body {
    margin: 0;
    min-height: 100vh;
    color: var(--text);
    background:
        radial-gradient(circle at 15% 10%, color-mix(in srgb, var(--accent), transparent 62%), transparent 28rem),
        radial-gradient(circle at 85% 0%, color-mix(in srgb, var(--accent), white 70%), transparent 24rem),
        linear-gradient(145deg, var(--bg), color-mix(in srgb, var(--bg), var(--accent) 8%));
    overflow-x: hidden;
}

a { color: color-mix(in srgb, var(--accent), var(--text) 25%); text-decoration: none; }
a:hover { text-decoration: underline; }
code { padding: .16rem .4rem; border-radius: .55rem; background: rgba(127,127,127,.13); }

.ambient {
    position: fixed;
    inset: -10rem;
    pointer-events: none;
    background:
        radial-gradient(circle at 20% 80%, color-mix(in srgb, var(--accent), transparent 64%), transparent 19rem),
        radial-gradient(circle at 80% 30%, rgba(255,255,255,.20), transparent 18rem);
    filter: blur(18px);
    z-index: -1;
}

.glass {
    background: linear-gradient(135deg, var(--surface), color-mix(in srgb, var(--surface), transparent 28%));
    border: 1px solid var(--border);
    box-shadow: var(--shadow), inset 0 1px 0 rgba(255,255,255,.24);
    backdrop-filter: blur(24px) saturate(150%);
    -webkit-backdrop-filter: blur(24px) saturate(150%);
}

.topbar {
    position: sticky;
    top: 1rem;
    z-index: 5;
    width: min(1160px, calc(100vw - 2rem));
    margin: 1rem auto 0;
    border-radius: 999px;
    padding: .75rem .95rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}
.brand { display: inline-flex; align-items: center; gap: .65rem; color: var(--text); font-weight: 800; letter-spacing: -.02em; }
.brand-mark { color: var(--accent); filter: drop-shadow(0 0 16px color-mix(in srgb, var(--accent), transparent 50%)); }
.nav { display: flex; align-items: center; gap: .8rem; flex-wrap: wrap; justify-content: flex-end; }
.inline-form { display: inline; margin: 0; }
.link-button { all: unset; cursor: pointer; color: color-mix(in srgb, var(--accent), var(--text) 25%); }
.pill, .primary, .ghost, .danger, .choice, .toolbar button {
    border: 0;
    border-radius: 999px;
    padding: .82rem 1.05rem;
    font-weight: 750;
    cursor: pointer;
    transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent), white 22%));
    color: white;
    box-shadow: 0 14px 34px color-mix(in srgb, var(--accent), transparent 66%);
}
.primary:hover, .choice:hover, .pill:hover { transform: translateY(-1px); text-decoration: none; }
.primary.small { padding: .68rem .92rem; }
.ghost { background: rgba(127,127,127,.12); color: var(--text); }
.pill { background: rgba(127,127,127,.13); color: var(--text); }
.danger { background: var(--danger); color: white; }
.ghost-danger { background: color-mix(in srgb, var(--danger), transparent 80%); color: var(--danger); }

.shell { width: min(1160px, calc(100vw - 2rem)); margin: 2rem auto 6rem; }
.hero { min-height: calc(100vh - 10rem); align-items: center; }
.grid-2 { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(320px, .7fr); gap: 1.2rem; }
.card { border-radius: var(--radius); padding: clamp(1.2rem, 3vw, 2.4rem); }
.hero-card h1 { font-size: clamp(2.4rem, 6vw, 5.4rem); line-height: .94; letter-spacing: -.07em; margin: .4rem 0 1rem; }
h1 { font-size: clamp(2rem, 4vw, 3.4rem); line-height: 1; letter-spacing: -.05em; margin: .25rem 0 1rem; }
h2 { letter-spacing: -.035em; }
.eyebrow { text-transform: uppercase; font-size: .76rem; font-weight: 850; letter-spacing: .12em; color: var(--accent); margin: 0 0 .55rem; }
.muted, small { color: var(--muted); }
.center-card { width: min(620px, 100%); margin: 3rem auto; }
.center-card.wide { width: min(860px, 100%); }
.form-stack { display: grid; gap: 1rem; }
label { display: grid; gap: .35rem; font-weight: 700; }
input, textarea, select {
    width: 100%;
    color: var(--text);
    background: rgba(127,127,127,.10);
    border: 1px solid rgba(127,127,127,.22);
    border-radius: 18px;
    padding: .92rem 1rem;
    outline: none;
    font: inherit;
}
input:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent), transparent 82%); }
textarea { resize: vertical; }
.checkline { display: inline-flex; align-items: center; gap: .5rem; font-weight: 500; }
.checkline input { width: auto; }
.notice { border-radius: 18px; padding: .9rem 1rem; margin-bottom: 1rem; background: var(--surface-strong); border: 1px solid var(--border); }
.notice.success { border-color: rgba(22, 163, 74, .35); }
.notice.error { border-color: rgba(180, 35, 24, .45); }
.notice.warning { border-color: rgba(217, 119, 6, .45); }
.page-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin: 2.4rem 0 1.2rem; }
.page-head.compact { margin: 0 0 1rem; }
.cards-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1rem; }
.lift { transition: transform .22s ease, border-color .22s ease; }
.lift:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--accent), transparent 45%); }
.book-card { position: relative; overflow: hidden; }
.book-card::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 85% 12%, var(--book-accent), transparent 11rem); opacity: .32; pointer-events: none; }
.book-dot { width: 1rem; height: 1rem; background: var(--book-accent); border-radius: 50%; display: inline-block; box-shadow: 0 0 30px var(--book-accent); }
.game-wrap { display: grid; gap: 1rem; margin-top: 2rem; }
.block-card { position: relative; min-height: 50vh; }
.block-number { display: inline-flex; border-radius: 999px; padding: .45rem .7rem; background: rgba(127,127,127,.12); color: var(--muted); margin-bottom: 1rem; }
.block-text { font-size: 1.08rem; line-height: 1.7; max-width: 72ch; }
.choices { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: .8rem; margin-top: 2rem; }
.choice { width: 100%; background: color-mix(in srgb, var(--accent), transparent 84%); color: var(--text); border: 1px solid color-mix(in srgb, var(--accent), transparent 68%); }
.game-actions { display: flex; gap: .6rem; flex-wrap: wrap; justify-content: center; border-radius: 999px; padding: .65rem; }
.game-actions a { padding: .7rem .9rem; border-radius: 999px; color: var(--text); background: rgba(127,127,127,.10); }
.bottom-sheet { position: sticky; bottom: 1rem; display: flex; flex-wrap: wrap; justify-content: center; gap: .7rem; border-radius: 999px; padding: .8rem 1rem; margin-top: 1rem; }
.bottom-sheet span { display: inline-flex; gap: .35rem; padding: .45rem .7rem; border-radius: 999px; background: rgba(127,127,127,.10); }
.toolbar { display: flex; gap: .5rem; flex-wrap: wrap; }
.toolbar button { background: rgba(127,127,127,.14); color: var(--text); padding: .55rem .8rem; }
.markdown-view { min-height: 220px; padding: 1rem; border-radius: 22px; background: rgba(127,127,127,.10); line-height: 1.65; margin-bottom: 1rem; }
.markdown-view h1, .markdown-view h2, .markdown-view h3 { margin: .4rem 0; }
.admin-list { display: grid; gap: 1rem; }
.admin-user-head, .admin-character { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.admin-character { padding: 1rem 0; border-top: 1px solid rgba(127,127,127,.18); }
.badge { display: inline-flex; align-items: center; border-radius: 999px; padding: .25rem .55rem; background: color-mix(in srgb, var(--accent), transparent 80%); color: var(--accent); font-size: .72rem; vertical-align: middle; }

@media (max-width: 760px) {
    .grid-2 { grid-template-columns: 1fr; }
    .topbar { align-items: flex-start; border-radius: 28px; }
    .nav { font-size: .92rem; }
    .page-head, .admin-user-head, .admin-character { align-items: flex-start; flex-direction: column; }
    .game-actions, .bottom-sheet { border-radius: 24px; }
}