:root{--color-bg: #161b18;--color-bg-raised: #1d2420;--color-surface: #f5f3ee;--color-surface-muted: #dad6cc;--color-text: #eef1ee;--color-text-muted: #a9b3ad;--color-border: #2c352f;--color-accent: #3fa97c;--color-accent-contrast: #06120c;--color-suit-red: #bb4b42;--color-suit-black: #20241f;--color-joker: #6b5fd1;--color-danger: #cc756e;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 14px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--space-7: 48px;--font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: ui-monospace, SFMono-Regular, "SF Mono", Consolas, monospace;--shadow-card: 0 1px 2px rgba(0, 0, 0, .4), 0 4px 10px rgba(0, 0, 0, .25);--shadow-raised: 0 8px 24px rgba(0, 0, 0, .35)}@media (prefers-color-scheme: light){:root{--color-bg: #eef1ec;--color-bg-raised: #ffffff;--color-surface: #ffffff;--color-surface-muted: #e4e1d7;--color-text: #16201a;--color-text-muted: #4c584f;--color-border: #d3d6cf;--color-accent: #287a59;--color-accent-contrast: #ffffff;--color-suit-red: #a8433c;--color-suit-black: #1c211d;--color-joker: #5c50b8;--color-danger: #a8433c;--shadow-card: 0 1px 2px rgba(0, 0, 0, .08), 0 4px 10px rgba(0, 0, 0, .06);--shadow-raised: 0 8px 24px rgba(0, 0, 0, .12)}}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--color-bg);color:var(--color-text);font-family:var(--font-ui);line-height:1.5;-webkit-font-smoothing:antialiased}.wordmark{font-weight:600;letter-spacing:.02em}.tabular-nums{font-variant-numeric:tabular-nums;font-family:var(--font-mono)}a{color:var(--color-accent)}button{font-family:inherit}.site-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-4) var(--space-5);border-bottom:1px solid var(--color-border)}.site-header__brand{font-size:1.05rem;color:var(--color-text);text-decoration:none}.lang-switch{display:flex;gap:var(--space-2)}.lang-switch button{background:none;border:1px solid var(--color-border);color:var(--color-text-muted);border-radius:var(--radius-sm);padding:var(--space-1) var(--space-2);cursor:pointer;font-size:.8rem}.lang-switch button[aria-current=true]{color:var(--color-text);border-color:var(--color-accent)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);border:none;border-radius:var(--radius-md);padding:var(--space-3) var(--space-5);font-size:1rem;font-weight:600;cursor:pointer;background:var(--color-accent);color:var(--color-accent-contrast)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn--secondary{background:transparent;color:var(--color-text);border:1px solid var(--color-border)}.site-footer{border-top:1px solid var(--color-border);padding:var(--space-5);color:var(--color-text-muted);font-size:.85rem;display:flex;flex-wrap:wrap;gap:var(--space-4);justify-content:space-between}