/* ChciHry.cz — Dáma online. Standalone styl (bez styles.css/normalize.css).
 * Tokeny převzaty z vizuální identity webu. Animace pouze transform/opacity. */

/* reset, @font-face fallback a sdilene tokeny: viz css/tokens.css (nacist PRED timto souborem) */
:root {
    --cell-light-1: #E8D5B5; --cell-light-2: #F0DDC0;
    --cell-dark-1: #8B6B47;  --cell-dark-2: #9D7A55;
    --board: min(100vw - 1rem, 58svh);
}

html { height: 100%; }

body {
    font-family: 'Montserrat', 'Montserrat-fallback', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--surface-dark);
    color: var(--text-primary);
    min-height: 100svh;
    overflow-x: hidden;
    /* jemný statický zlatý nádech — žádná animace */
    background-image:
        radial-gradient(circle at 20% 15%, rgba(212, 175, 55, 0.07) 0%, transparent 45%),
        radial-gradient(circle at 85% 80%, rgba(212, 175, 55, 0.05) 0%, transparent 50%);
}

button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }
svg { display: block; }

.sr-only {
    position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------- herní layout (shell = container) ---------- */
.shell {
    container-type: inline-size;
    container-name: app;
    padding: max(0.5rem, env(safe-area-inset-top)) max(0.5rem, env(safe-area-inset-right))
             0.5rem max(0.5rem, env(safe-area-inset-left));
}

.app {
    display: grid;
    grid-template-areas: "head" "board" "panel";
    justify-items: center;
    gap: clamp(0.4rem, 1.2dvh, 1rem);
    max-width: 1400px;
    margin: 0 auto;
}

.hd { grid-area: head; text-align: center; min-width: 0; }

.hd h1 {
    font-size: clamp(1.15rem, 4.4vw, 2rem);
    font-weight: 900;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--primary) 0%, #F5E6D3 55%, var(--primary-dark) 100%);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent; color: transparent;
}
.hd .h1-sub { font-weight: 600; font-size: 0.72em; white-space: nowrap; }

.status {
    margin-top: 0.2rem;
    font-size: clamp(0.85rem, 2.6vw, 1.05rem);
    font-weight: 600;
    color: var(--text-secondary);
    min-height: 1.4em;
}
.status.is-capture { color: var(--danger); }
.status.is-thinking { color: var(--primary); }
.status.is-over { color: var(--primary); }

/* ---------- deska ---------- */
.board-zone { grid-area: board; min-width: 0; }

.board-frame {
    display: grid;
    grid-template-columns: auto var(--board);
    grid-template-rows: var(--board) auto;
    align-items: stretch;
}

.coords { display: grid; color: var(--text-muted); font-size: 0.7rem; font-weight: 600; user-select: none; }
.coords-y { grid-column: 1; grid-row: 1; grid-template-rows: repeat(8, 1fr); align-items: center; padding-right: 0.35rem; }
.coords-x { grid-column: 2; grid-row: 2; grid-template-columns: repeat(8, 1fr); justify-items: center; padding-top: 0.25rem; }

.board-wrap {
    grid-column: 2; grid-row: 1;
    position: relative;
    width: var(--board);
    aspect-ratio: 1;
    border: 3px solid var(--primary-dark);
    outline: 1px solid rgba(212, 175, 55, 0.45);
    border-radius: var(--radius-sm);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.55), 0 0 60px rgba(212, 175, 55, 0.08);
    /* none ⊃ manipulation: řeší dvojklik-zoom A umožní drag&drop bez rušení scrollem */
    touch-action: none;
    /* žádný výběr textu/obsahu při tažení myší */
    -webkit-user-select: none;
    user-select: none;
}

.board {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    grid-template-rows: repeat(8, 1fr);
    width: 100%; height: 100%;
}
/* ARIA řádky (role="row") se layoutu neúčastní — gridem jsou přímo buňky */
.brow { display: contents; }

.cell { position: relative; background: linear-gradient(135deg, var(--cell-light-1), var(--cell-light-2)); }
.cell.dark { background: linear-gradient(135deg, var(--cell-dark-1), var(--cell-dark-2)); }

.cell:focus { outline: none; }
.cell:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: -3px;
    z-index: 2;
}

/* poslední tah — jemný zlatý nádech */
.cell.last::before {
    content: ''; position: absolute; inset: 0;
    background: rgba(212, 175, 55, 0.30);
}
/* vybraný kámen — zvýrazněné pole */
.cell.sel::before {
    content: ''; position: absolute; inset: 0;
    background: rgba(212, 175, 55, 0.45);
    box-shadow: inset 0 0 0 3px var(--primary);
}
/* legální cíl — tečka */
.cell.dst::after {
    content: ''; position: absolute; left: 50%; top: 50%;
    width: 26%; height: 26%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background: rgba(212, 175, 55, 0.85);
    box-shadow: 0 0 8px rgba(212, 175, 55, 0.6);
}
/* cíl povinného braní — zlatý prstenec */
.cell.cap-dst::after {
    content: ''; position: absolute; left: 50%; top: 50%;
    width: 62%; height: 62%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background: transparent;
    border: 3px solid var(--primary);
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.7), inset 0 0 6px rgba(212, 175, 55, 0.4);
}
/* oběť braní — červený kroužek */
.cell.victim::after {
    content: ''; position: absolute; left: 50%; top: 50%;
    width: 78%; height: 78%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 3px solid var(--danger);
    box-shadow: 0 0 10px rgba(217, 83, 79, 0.7);
}

/* ---------- kameny ---------- */
.pieces { position: absolute; inset: 0; pointer-events: none; }

.piece {
    position: absolute; left: 0; top: 0;
    width: 12.5%; height: 12.5%;
    display: flex; align-items: center; justify-content: center;
    transition: transform 0.2s ease-out, opacity 0.25s ease-out;
    filter: drop-shadow(0 3px 4px rgba(0, 0, 0, 0.45));
}
.piece > svg { width: 84%; height: 84%; }

.piece.selected { z-index: 3; }
/* jemná levitace nad vlastním polem — animuje se vnitřní SVG, ne kontejner
 * (scale/transform na kontejneru by se skládaly s pozičním translate) */
.piece.selected > svg { animation: selFloat 1.4s ease-in-out infinite; }
.piece.dragging { transition: none; z-index: 5; filter: drop-shadow(0 10px 12px rgba(0, 0, 0, 0.55)); }
.piece.returning { z-index: 4; }
.piece.dying { opacity: 0; z-index: 1; } /* scale řídí JS v inline transformu */
.piece.crowned > svg { animation: crownShine 0.6s ease-out; }

@keyframes selFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-9%); }
}
@keyframes crownShine {
    0% { filter: brightness(1); }
    35% { filter: brightness(2.1) drop-shadow(0 0 14px rgba(212, 175, 55, 0.95)); }
    100% { filter: brightness(1); }
}

/* ---------- panel ---------- */
.panel {
    grid-area: panel;
    display: flex; flex-direction: column; align-items: center;
    gap: 0.5rem;
    width: 100%;
    max-width: calc(var(--board) + 3px + 1.2rem);
}

.counts {
    display: flex; gap: 0.6rem; align-items: center;
    font-weight: 700; font-size: 1rem; color: var(--text-secondary);
}
.counts .dot { color: var(--text-muted); }

.btns {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.45rem;
    width: 100%;
}

.btn {
    display: inline-flex; align-items: center; justify-content: center;
    min-height: 44px; min-width: 44px;
    padding: 0.5rem 0.7rem;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.12), rgba(212, 175, 55, 0.05));
    border: 1px solid var(--gold-border);
    border-radius: 9999px;
    color: var(--text-primary);
    font-size: 0.8rem; font-weight: 600;
    letter-spacing: 0.02em;
    transition: border-color 0.15s ease, transform 0.15s ease;
    text-align: center;
}
.btn:hover { border-color: var(--primary); transform: translateY(-1px); }
.btn:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }
.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--surface-dark);
    border-color: var(--primary);
}
.btn-primary:hover { border-color: #F5E6D3; }
.btn[hidden] { display: none; }

/* ---------- dialogy ---------- */
dialog.dlg {
    margin: auto;
    max-width: min(92vw, 26rem);
    width: 100%;
    background: linear-gradient(160deg, rgba(15, 23, 42, 0.97), rgba(2, 6, 23, 0.97));
    color: var(--text-primary);
    border: 1px solid rgba(212, 175, 55, 0.35);
    border-radius: var(--radius-xl);
    padding: 1.3rem;
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.7), 0 0 90px rgba(212, 175, 55, 0.12);
}
dialog.dlg::backdrop { background: rgba(2, 6, 23, 0.72); backdrop-filter: blur(4px); }

.dlg h2 { font-size: 1.25rem; font-weight: 800; margin-bottom: 0.9rem; color: var(--primary); text-align: center; }
.dlg .dlg-text { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.5; text-align: center; }

.dlg fieldset { border: 0; margin-bottom: 0.9rem; }
.dlg legend { font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; color: var(--text-muted); margin-bottom: 0.4rem; }

.seg { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: 0.4rem; }
.seg label {
    display: flex; align-items: center; justify-content: center;
    min-height: 44px; padding: 0.45rem 0.5rem;
    border: 1px solid var(--gold-border); border-radius: var(--radius-lg);
    background: rgba(30, 41, 59, 0.6);
    font-size: 0.85rem; font-weight: 600; text-align: center;
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease;
}
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg input:checked + span { color: var(--primary); }
.seg label:has(input:checked) {
    border-color: var(--primary);
    background: rgba(212, 175, 55, 0.14);
    box-shadow: 0 0 12px rgba(212, 175, 55, 0.25);
}
/* klávesový fokus: prstenec kolem celého štítku, ne kolem textu uvnitř */
.seg label:has(input:focus-visible) { outline: 2px solid var(--primary); outline-offset: 2px; }

.dlg-actions { display: flex; gap: 0.5rem; justify-content: center; margin-top: 1.1rem; flex-wrap: wrap; }
.dlg-actions .btn { flex: 1 1 auto; }

.dlg .stats-line { text-align: center; margin-top: 0.7rem; color: var(--text-secondary); font-size: 0.9rem; }
.dlg .result-emoji { display: block; text-align: center; font-size: 2.6rem; margin-bottom: 0.4rem; }

/* ---------- toast ---------- */
.toast {
    position: fixed; left: 50%; bottom: max(1rem, env(safe-area-inset-bottom));
    transform: translateX(-50%);
    display: flex; gap: 0.6rem; align-items: center;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.97), rgba(2, 6, 23, 0.97));
    border: 1px solid rgba(212, 175, 55, 0.4);
    border-radius: 9999px;
    padding: 0.55rem 0.6rem 0.55rem 1rem;
    font-size: 0.85rem; font-weight: 600;
    box-shadow: 0 10px 35px rgba(0, 0, 0, 0.6);
    z-index: 90;
    opacity: 1;
    transition: opacity 0.3s ease, transform 0.3s ease;
}
.toast[hidden] { display: none; }
.toast.hiding { opacity: 0; transform: translateX(-50%) translateY(10px); }
.toast .btn { min-height: 36px; padding: 0.3rem 0.8rem; font-size: 0.78rem; }

/* ---------- konfety ---------- */
.confetti { position: fixed; inset: 0; pointer-events: none; z-index: 80; }

/* ---------- obsahová sekce (SEO/GEO) ---------- */
.content {
    max-width: 820px;
    margin: 2.5rem auto 0;
    padding: 0 max(1rem, env(safe-area-inset-right)) 2.5rem max(1rem, env(safe-area-inset-left));
    line-height: 1.65;
    color: var(--text-secondary);
}
.content .answer-first {
    font-size: 1.02rem;
    color: var(--text-primary);
    background: rgba(15, 23, 42, 0.85);
    border: 1px solid var(--gold-border);
    border-left: 4px solid var(--primary);
    border-radius: var(--radius-lg);
    padding: 1rem 1.2rem;
}
.content h2 {
    font-size: clamp(1.25rem, 3.4vw, 1.6rem); font-weight: 800;
    color: var(--text-primary);
    margin: 2.2rem 0 0.8rem;
}
.content h3 { font-size: 1.05rem; font-weight: 700; color: var(--primary); margin: 1.3rem 0 0.45rem; }
.content p { margin-bottom: 0.8rem; }
.content ul, .content ol { margin: 0 0 0.9rem 1.4rem; }
.content li { margin-bottom: 0.35rem; }
.content strong { color: var(--text-primary); }

.faq-item {
    background: rgba(15, 23, 42, 0.85);
    border: 1px solid var(--gold-border);
    border-radius: var(--radius-lg);
    padding: 0.9rem 1.1rem;
    margin-bottom: 0.7rem;
}
.faq-item h3 { margin: 0 0 0.4rem; }
.faq-item p { margin: 0; font-size: 0.95rem; }

.more-games { display: flex; flex-wrap: wrap; gap: 0.6rem; margin: 0.8rem 0; }
.more-games a {
    padding: 0.45rem 1rem;
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid var(--gold-border);
    border-radius: 9999px;
    font-size: 0.875rem; font-weight: 600;
    transition: border-color 0.15s ease, transform 0.15s ease;
}
.more-games a:hover { border-color: var(--primary); transform: translateY(-2px); color: var(--primary); }
.more-games .all { flex-basis: 100%; display: flex; justify-content: center; margin-top: 0.6rem; }

.updated { margin-top: 2rem; font-size: 0.8rem; color: var(--text-muted); }

/* ---------- responzivita ---------- */
/* malé mobily: souřadnice skryté */
@container app (max-width: 450px) {
    .coords { display: none; }
    .board-frame { grid-template-columns: var(--board); grid-template-rows: var(--board); }
    .board-wrap { grid-column: 1; }
}

/* tablet a výš: větší deska */
@media (min-width: 768px) {
    :root { --board: min(80svh, 720px); }
    .btns { grid-template-columns: repeat(3, minmax(8rem, 1fr)); }
}

/* desktop: panel vpravo od desky (container query na shellu) */
@container app (min-width: 1024px) {
    .app {
        grid-template-areas: "head head" "board panel";
        grid-template-columns: auto minmax(220px, 280px);
        align-items: start;
        justify-content: center;
        justify-items: stretch;
        column-gap: 1.5rem;
    }
    .hd { justify-self: center; }
    .panel { max-width: none; position: sticky; top: 1rem; }
    .btns { grid-template-columns: 1fr; }
    .counts { font-size: 1.15rem; justify-content: center; padding: 0.6rem 0; }
}
@media (min-width: 1024px) {
    :root { --board: min(80svh, calc(100vw - 360px), 720px); }
}

/* mobil landscape: deska vlevo, hlavička + ovládání vpravo, bez scrollu */
@media (max-height: 500px) and (orientation: landscape) {
    :root { --board: min(92svh - 2.2rem, calc(100vw - 250px)); }
    .app {
        grid-template-areas: "board head" "board panel";
        grid-template-columns: auto 1fr;
        grid-template-rows: auto 1fr;
        column-gap: 1rem;
        align-items: start;
    }
    .hd h1 { font-size: 1rem; }
    .hd .h1-sub { display: block; font-size: 0.7rem; }
    .panel { max-width: 320px; justify-self: center; }
    .btns { grid-template-columns: repeat(2, 1fr); gap: 0.35rem; }
    .btn { min-height: 40px; font-size: 0.72rem; }
    .coords { display: none; }
    .board-frame { grid-template-columns: var(--board); grid-template-rows: var(--board); }
    .board-wrap { grid-column: 1; }
}

/* widescreen / 4K */
@media (min-width: 2560px) {
    :root { --board: min(80svh, 1000px); }
    .content { max-width: 1000px; font-size: 1.1rem; }
}

/* ---------- omezený pohyb ---------- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}