/* =====================================================================
   CyberRamen Arcade — hub + game shell (arcade-shell.js).
   Site tokens only (assets/css/shell.css :root), so light/dark and the
   Classic / Dashboard views follow the site. No web fonts, no images.
   Touch targets ≥ 44px; motion off under prefers-reduced-motion.
   ===================================================================== */

/* ---------- hub ---------- */
.arc-hub { max-width: 1100px; margin: 0 auto; padding: 1.5rem 1rem 2.5rem; color: var(--ink); }
.arc-hero { margin-bottom: 1.6rem; }
.arc-hero__kicker {
    margin: 0 0 0.5rem; font-family: var(--font-mono); font-size: 0.75rem;
    letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-3);
}
.arc-hero__title {
    margin: 0 0 0.6rem; font-family: var(--font-serif); font-weight: 700;
    font-size: clamp(1.9rem, 4.5vw, 2.9rem); line-height: 1.1; letter-spacing: -0.01em; color: var(--ink);
}
.arc-hero__title em { font-style: italic; font-weight: 600; color: var(--accent); }
.arc-hero__lead { margin: 0; max-width: 56ch; font-size: 1.05rem; line-height: 1.6; color: var(--ink-2); }

.arc-hub__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 390px); gap: 1.6rem; align-items: start; }
.arc-hub__h2 {
    margin: 0 0 0.8rem; font-family: var(--font-mono); font-size: 0.78rem; font-weight: 600;
    letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3);
}
.arc-soon { padding: 1.1rem 1.2rem; border: 1px dashed var(--line-strong); border-radius: var(--radius); background: var(--bg-2); color: var(--ink-2); }
.arc-soon p { margin: 0; line-height: 1.6; }
.arc-soon__title { font-family: var(--font-serif); font-size: 1.25rem; font-weight: 700; color: var(--ink); margin-bottom: 0.3rem !important; }

.arc-cards { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 0.8rem; }
.arc-cardg__link {
    display: flex; flex-direction: column; gap: 0.3rem; min-height: 44px; height: 100%;
    padding: 0.9rem 1rem; border: 1px solid var(--line); border-radius: var(--radius);
    background: var(--bg-2); color: var(--ink); text-decoration: none;
}
.arc-cardg__link:hover { border-color: var(--accent); }
.arc-cardg__link:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.arc-cardg__name { font-family: var(--font-serif); font-weight: 700; font-size: 1.15rem; }
.arc-cardg__tag { color: var(--ink-2); line-height: 1.5; }
.arc-cardg__meta { font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-3); }

.arc-hub__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 0.6rem; margin-top: 1.1rem; }
.arc-daily { width: 100%; }
.arc-daily p { margin: 0; line-height: 1.6; }
.arc-hub__privacy { margin: 2rem 0 0; padding-top: 1rem; border-top: 1px solid var(--line); color: var(--ink-2); font-size: 0.92rem; }
.arc-hub__privacy a { color: var(--accent); }
.arc-muted { margin: 0; color: var(--ink-3); font-size: 0.85rem; }

@media (max-width: 820px) {
    .arc-hub__grid { grid-template-columns: minmax(0, 1fr); }
}

/* ---------- game shell ---------- */
.arc { position: relative; max-width: 1100px; margin: 0 auto; padding: 1rem; color: var(--ink); }
.arc-hud {
    display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.4rem 1.2rem;
    padding: 0.6rem 0.9rem; margin-bottom: 0.8rem;
    border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-2);
    font-family: var(--font-mono);
}
.arc-hud__title { font-family: var(--font-serif); font-weight: 700; font-size: 1.1rem; margin-right: auto; }
.arc-hud__stat { display: inline-flex; gap: 0.4rem; align-items: baseline; }
.arc-hud__label { font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); }
.arc-hud__val { font-size: 1rem; font-weight: 600; font-variant-numeric: tabular-nums; }

.arc-main { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 300px); gap: 1rem; align-items: start; }
.arc-field { position: relative; min-height: 320px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-3); overflow: hidden; }
.arc-canvas { display: block; width: 100%; height: auto; aspect-ratio: 4 / 3; }

.arc-side { display: flex; flex-direction: column; gap: 0.8rem; }
.arc-card { padding: 0.8rem 0.9rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-2); }
.arc-card__label {
    margin: 0 0 0.4rem; font-family: var(--font-mono); font-size: 0.7rem; font-weight: 600;
    letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3);
}
.arc-card p { margin: 0 0 0.35rem; line-height: 1.5; color: var(--ink-2); }
.arc-rule { border-left: 3px solid var(--cat-side); }
.arc-last { border-left: 3px solid var(--cat-spicy); }
.arc-side__buttons { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.arc-mistake + .arc-mistake { margin-top: 0.7rem; padding-top: 0.7rem; border-top: 1px dashed var(--line-strong); }
.arc-mistake__what { font-weight: 600; color: var(--ink) !important; }
.arc-mistake a { color: var(--accent); }

.arc-touch { display: none; gap: 0.5rem; margin-top: 0.8rem; flex-wrap: wrap; justify-content: center; }
.arc-touch button { min-width: 56px; min-height: 56px; justify-content: center; font-size: 1.1rem; }
@media (pointer: coarse) { .arc-touch:not(:empty) { display: flex; } }

/* Overlays sit over the playfield and side panel, in page flow for screen readers. */
.arc-layer:empty { display: none; }
.arc-layer {
    position: absolute; inset: 0; display: flex; align-items: flex-start; justify-content: center;
    padding: 3rem 1rem 1rem; background: color-mix(in srgb, var(--bg) 82%, transparent);
}
.arc-overlay {
    width: min(100%, 520px); max-height: calc(100% - 2rem); overflow: auto;
    padding: 1.2rem 1.3rem; border: 1px solid var(--line-strong); border-radius: var(--radius);
    background: var(--bg); box-shadow: 0 10px 30px color-mix(in srgb, var(--ink) 18%, transparent);
}
.arc-overlay__title { margin: 0 0 0.7rem; font-family: var(--font-serif); font-size: 1.5rem; }
.arc-overlay__title:focus { outline: none; }
.arc-overlay__sub { margin: 1rem 0 0.4rem; font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3); }
.arc-overlay p { line-height: 1.6; color: var(--ink-2); }
.arc-overlay__buttons { display: flex; flex-wrap: wrap; align-items: center; gap: 0.6rem; margin-top: 1rem; }
.arc-keys, .arc-stats { display: grid; grid-template-columns: max-content 1fr; gap: 0.3rem 1rem; margin: 0.6rem 0 1rem; }
.arc-keys dt, .arc-stats dt { font-family: var(--font-mono); font-size: 0.85rem; color: var(--ink); }
.arc-keys dd, .arc-stats dd { margin: 0; color: var(--ink-2); }
.arc-stats dd { font-variant-numeric: tabular-nums; font-weight: 600; }

.arc-settings { display: flex; flex-direction: column; gap: 0.6rem; margin-bottom: 1rem; }
.arc-check, .arc-radio { display: inline-flex; align-items: center; gap: 0.4rem; min-height: 44px; cursor: pointer; }
.arc-speed { border: 1px solid var(--line); border-radius: var(--radius); padding: 0.3rem 0.8rem 0.5rem; display: flex; flex-wrap: wrap; gap: 0 1rem; }
.arc-speed legend { padding: 0 0.3rem; font-size: 0.85rem; color: var(--ink-3); }
.arc-share-manual { width: 100%; margin-top: 0.5rem; font-family: var(--font-mono); font-size: 0.85rem; background: var(--bg-2); color: var(--ink); border: 1px solid var(--line-strong); border-radius: var(--radius); }

.arc-error { padding: 2rem 1rem; text-align: center; border: 1px solid var(--line-strong); border-radius: var(--radius); background: var(--bg-2); font-size: 1.1rem; }

@media (max-width: 820px) {
    .arc-main { grid-template-columns: minmax(0, 1fr); }
}
@media (prefers-reduced-motion: reduce) {
    .arc *, .arc-hub * { transition: none !important; animation: none !important; }
}