/* ── Police ─────────────────────────────────────────────────── */

@font-face {
    font-family: "Vividly";
    src: url("./assets/fonts/Vividly-Regular.ttf") format("truetype"),
         url("./assets/fonts/Vividly-Regular.otf") format("opentype");
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

/* ── Variables de thème ─────────────────────────────────────── */

:root {
    --bg:       #f9f8f5;
    --fg:       #111111;
    --muted:    #f0efe9;
    --border:   #d8d5cc;
    --cell-bg:  #ffffff;
    --cell-fg:  #111111;

    --x-color:  #1a6ef5;   /* X → bleu */
    --o-color:  #e03a2f;   /* O → rouge */
    --win-glow: #f5c400;   /* ligne gagnante → or */

    --radius-cell: 14px;
    --radius-ui:   8px;
}

html[data-theme="dark"] {
    --bg:      #0f1115;
    --fg:      #eaeaea;
    --muted:   #151923;
    --border:  #2a2f3a;
    --cell-bg: #121622;
    --cell-fg: #eaeaea;
}

/* ── Reset minimal ──────────────────────────────────────────── */

*, *::before, *::after { box-sizing: border-box; margin: 0; }

/* ── Layout global ──────────────────────────────────────────── */

body {
    font-family: system-ui, sans-serif;
    font-size: 15px;
    padding: 28px 20px;
    min-height: 100dvh;
    display: grid;
    place-items: start center;
    background: var(--bg);
    color: var(--fg);
    transition: background 0.25s, color 0.25s;
}

.app {
    width: min(480px, 100%);
    display: grid;
    gap: 18px;
}

h1 {
    font-family: "Vividly", system-ui, sans-serif;
    font-size: clamp(1.8rem, 5vw, 2.6rem);
    letter-spacing: 0.5px;
    font-weight: 400;
}

/* ── Contrôles ──────────────────────────────────────────────── */

.controls {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.controls label {
    display: flex;
    flex-direction: column;
    gap: 3px;
    font-size: 12px;
    color: color-mix(in srgb, var(--fg) 60%, transparent);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

select {
    font: inherit;
    font-size: 14px;
    padding: 6px 8px;
    border: 1px solid var(--border);
    border-radius: var(--radius-ui);
    background: var(--cell-bg);
    color: var(--fg);
    cursor: pointer;
}

#reset {
    font: inherit;
    font-size: 14px;
    padding: 6px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-ui);
    background: var(--cell-bg);
    color: var(--fg);
    cursor: pointer;
    align-self: flex-end;
    transition: background 0.15s, transform 0.1s;
}

#reset:hover  { background: var(--muted); }
#reset:active { transform: scale(0.96); }

/* ── Stats ──────────────────────────────────────────────────── */

.stats {
    display: flex;
    gap: 16px;
    font-size: 13px;
    color: color-mix(in srgb, var(--fg) 60%, transparent);
}

.stats strong {
    color: var(--fg);
    font-variant-numeric: tabular-nums;
}

/* ── Status ─────────────────────────────────────────────────── */

.status {
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-ui);
    background: var(--muted);
    font-size: 14px;
    min-height: 40px;
    display: flex;
    align-items: center;
    transition: background 0.2s;
}

/* ── Grille ─────────────────────────────────────────────────── */

.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    aspect-ratio: 1;
}

/* Curseur bloqué pendant que l'IA joue */
.grid.thinking { cursor: wait; }

/* ── Cases ──────────────────────────────────────────────────── */

.cell {
    font-family: "Vividly", system-ui, sans-serif;
    font-size: clamp(42px, 10vw, 60px);
    line-height: 1;
    border: 1px solid var(--border);
    border-radius: var(--radius-cell);
    background: var(--cell-bg);
    cursor: pointer;
    color: var(--cell-fg);
    transition: background 0.12s, transform 0.1s, opacity 0.1s;
    position: relative;
    overflow: hidden;
}

.cell:not(:disabled):hover {
    background: var(--muted);
    transform: scale(1.03);
}

.cell:disabled {
    cursor: not-allowed;
    opacity: 0.55;
}

/* Couleurs X et O */
.cell[data-player="X"] { color: var(--x-color); opacity: 1; }
.cell[data-player="O"] { color: var(--o-color); opacity: 1; }

/* ── Ligne gagnante ─────────────────────────────────────────── */

@keyframes win-pulse {
    0%   { box-shadow: 0 0 0   0 color-mix(in srgb, var(--win-glow) 60%, transparent); }
    50%  { box-shadow: 0 0 16px 6px color-mix(in srgb, var(--win-glow) 40%, transparent); }
    100% { box-shadow: 0 0 0   0 color-mix(in srgb, var(--win-glow) 60%, transparent); }
}

.cell.win {
    border-color: var(--win-glow);
    background: color-mix(in srgb, var(--win-glow) 12%, var(--cell-bg));
    animation: win-pulse 1.2s ease-in-out infinite;
    opacity: 1 !important;
}

/* ── Toggle thème (interrupteur) ────────────────────────────── */

.toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    align-self: flex-end;
    padding-bottom: 2px; /* alignement optique avec les select */
}

.toggle input { display: none; }

.toggle-track {
    display: inline-flex;
    width: 36px;
    height: 20px;
    border-radius: 99px;
    border: 1px solid var(--border);
    background: var(--muted);
    position: relative;
    transition: background 0.2s;
}

.toggle-track::after {
    content: "";
    position: absolute;
    top: 2px;
    left: 2px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--fg);
    transition: transform 0.2s;
}

.toggle input:checked + .toggle-track {
    background: var(--fg);
}

.toggle input:checked + .toggle-track::after {
    transform: translateX(16px);
    background: var(--bg);
}