@import url('./visual-polish.css');
@import url('https://fonts.googleapis.com/css2?family=ZCOOL+QingKe+HuangYou&display=swap');

:root {
    --font-pixel: 'Press Start 2P', monospace;
    --font-ui: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-zh-ui: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei UI', 'Microsoft YaHei', 'Noto Sans CJK SC', 'Source Han Sans SC', 'WenQuanYi Micro Hei', sans-serif;
    --font-zh-display: 'ZCOOL QingKe HuangYou', 'PingFang SC', 'Microsoft YaHei UI', 'Microsoft YaHei', sans-serif;
    --font-numeric: ui-monospace, 'SFMono-Regular', 'Roboto Mono', 'Cascadia Mono', 'Segoe UI Mono', Consolas, monospace;
}

#language-toggle-btn {
    position: absolute;
    top: max(10px, env(safe-area-inset-top));
    right: max(10px, env(safe-area-inset-right));
    z-index: 35;
    min-width: 58px;
    height: 32px;
    margin: 0;
    padding: 0 10px;
    border: 2px solid rgba(255, 255, 255, 0.84);
    border-radius: 999px;
    background: rgba(13, 17, 23, 0.82);
    color: #fff;
    box-shadow: 0 3px 0 rgba(255, 255, 255, 0.38);
    font-family: var(--font-ui);
    font-size: 11px;
    font-weight: 750;
    line-height: 1;
    letter-spacing: 0.02em;
    backdrop-filter: blur(8px);
}

#language-toggle-btn:hover {
    background: #1f2937;
    border-color: #f1c40f;
}

#language-toggle-btn:active {
    transform: translateY(2px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.3);
}

/* Long-form Chinese copy stays in a highly readable system CJK stack. */
html[lang='zh-CN'] body,
html[lang='zh-CN'] select,
html[lang='zh-CN'] input,
html[lang='zh-CN'] textarea {
    font-family: var(--font-zh-ui);
    font-synthesis: none;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Game-facing Chinese UI uses a compact display face rather than document-style system type. */
html[lang='zh-CN'] button,
html[lang='zh-CN'] h1:not(#game-title),
html[lang='zh-CN'] h2,
html[lang='zh-CN'] h3,
html[lang='zh-CN'] .stats-box,
html[lang='zh-CN'] .controls-hint,
html[lang='zh-CN'] .local-records-summary,
html[lang='zh-CN'] .daily-run-summary,
html[lang='zh-CN'] .friend-challenge-invite,
html[lang='zh-CN'] .friend-challenge-result,
html[lang='zh-CN'] .daily-run-result,
html[lang='zh-CN'] .local-record-result,
html[lang='zh-CN'] .leaderboard-panel,
html[lang='zh-CN'] .onboarding-kicker,
html[lang='zh-CN'] .onboarding-rule strong,
html[lang='zh-CN'] .status-msg,
html[lang='zh-CN'] .card-details p,
html[lang='zh-CN'] .custom-challenge-panel label {
    font-family: var(--font-zh-display);
    font-weight: 400;
    font-synthesis: none;
    letter-spacing: 0.055em;
}

html[lang='zh-CN'] #language-toggle-btn {
    font-family: var(--font-zh-display);
    font-weight: 400;
    letter-spacing: 0.04em;
}

/* Keep the brand and numerical readouts crisp without forcing pixel metrics onto Chinese copy. */
html[lang='zh-CN'] #game-title,
html[lang='zh-CN'] .start-data-ticker,
html[lang='zh-CN'] .legend-ticker {
    font-family: var(--font-pixel);
}

html[lang='zh-CN'] .stats-box span,
html[lang='zh-CN'] .highlight,
html[lang='zh-CN'] .big-return,
html[lang='zh-CN'] .leaderboard-rank,
html[lang='zh-CN'] .leaderboard-excess,
html[lang='zh-CN'] #speed-btn {
    font-family: var(--font-numeric);
    font-variant-numeric: tabular-nums;
    letter-spacing: 0;
}

html[lang='zh-CN'] p,
html[lang='zh-CN'] .onboarding-rule span {
    letter-spacing: 0.015em;
}

html[lang='zh-CN'] #start-screen > p {
    max-width: 620px;
    font-size: 14px;
    line-height: 1.7;
}

html[lang='zh-CN'] .stats-box,
html[lang='zh-CN'] .controls-hint {
    font-size: 12px;
    line-height: 1.7;
}

html[lang='zh-CN'] .onboarding-rule span,
html[lang='zh-CN'] .leaderboard-subtitle {
    line-height: 1.65;
}

html[lang='zh-CN'] .onboarding-rule span {
    font-size: 12px;
}

html[lang='zh-CN'] .card-details p {
    font-size: 14px;
    line-height: 1.45;
}

html[lang='zh-CN'] .status-msg {
    font-size: 15px;
    line-height: 1.45;
}

html[lang='zh-CN'] .screen button,
html[lang='zh-CN'] .onboarding-panel button,
html[lang='zh-CN'] .leaderboard-panel button,
html[lang='zh-CN'] .custom-challenge-panel button,
html[lang='zh-CN'] .action-buttons button {
    font-size: 15px;
    line-height: 1.2;
}

@media (max-width: 768px) {
    #language-toggle-btn {
        top: max(8px, env(safe-area-inset-top));
        right: max(8px, env(safe-area-inset-right));
        min-width: 52px;
        height: 30px;
        padding: 0 8px;
        font-size: 10px;
    }

    html[lang='zh-CN'] #start-screen > p {
        max-width: 88vw;
        font-size: 12px;
        line-height: 1.65;
    }

    html[lang='zh-CN'] .stats-box {
        font-size: 11px;
        line-height: 1.6;
    }

    html[lang='zh-CN'] .onboarding-rule span {
        font-size: 11px;
        line-height: 1.65;
    }

    html[lang='zh-CN'] .screen button,
    html[lang='zh-CN'] .onboarding-panel button,
    html[lang='zh-CN'] .leaderboard-panel button,
    html[lang='zh-CN'] .custom-challenge-panel button,
    html[lang='zh-CN'] .action-buttons button {
        font-size: 14px;
    }

    html[lang='zh-CN'] .leaderboard-row {
        font-size: 11px;
    }
}