:root{--bg:#f1f4f7;--surface:#fff;--surface-2:#f6f8fa;--line:#dce2e8;--fg:#1c2b33;--fg-2:#44566a;--muted:#5e6f80;--accent:#0064e0;--accent-text:#0057c2;--accent-ink:#fff;--accent-soft:#e7f0fd;--good:#0b7a3e;--warn:#8f5600;--risk:#b3261e;--radius-lg:22px;--radius:14px;--pill:999px;--font:system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}@media (prefers-color-scheme:dark){:root{--bg:#0a0f13;--surface:#141b21;--surface-2:#182129;--line:#27323b;--fg:#e8eef3;--fg-2:#aebbc6;--muted:#8d9ba7;--accent:#1f6fe5;--accent-text:#7db2ff;--accent-ink:#fff;--accent-soft:#10233d;--good:#4cc38a;--warn:#f2b544;--risk:#ff8a80;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}*,:before,:after{box-sizing:border-box}body{background:var(--bg);color:var(--fg);font-family:var(--font);margin:0;font-size:16px;line-height:1.55}main{max-width:960px;padding:32px max(16px, env(safe-area-inset-left,0px)) 48px max(16px, env(safe-area-inset-right,0px));margin-inline:auto}button.primary{font:inherit;border-radius:var(--pill);background:var(--accent);color:var(--accent-ink);cursor:pointer;border:0;padding:12px 20px;font-weight:700}:focus-visible{outline:2px solid var(--accent-text);outline-offset:2px}@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}.kd-wrap{flex-direction:column;gap:16px;max-width:560px;margin-inline:auto;display:flex}.kd-head h1{margin:0 0 4px;font-size:28px;line-height:1.2}.kd-tag{color:var(--fg-2);margin:0 0 8px}.kd-chips{flex-wrap:wrap;gap:8px;display:flex}.kd-chip{border-radius:var(--pill);background:var(--accent-soft);color:var(--accent-text);padding:4px 10px;font-size:12px;font-weight:600}.kd-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:20px}.kd-card h2{margin:20px 0 8px;font-size:18px}.kd-card h2:first-child{margin-top:0}.kd-statusrow{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:12px;display:flex}.kd-turn{font-size:17px;font-weight:700}.kd-banner-check,.kd-banner-mate{border-radius:var(--pill);padding:4px 12px;font-size:13px;font-weight:700}.kd-banner-check{color:var(--warn);border:1px solid var(--warn);background:#fdf1e3}.kd-banner-mate{color:var(--risk);border:1px solid var(--risk);background:#fdecea}.kd-board{border:2px solid var(--line);border-radius:var(--radius);grid-template-columns:repeat(8,1fr);width:100%;max-width:480px;margin-inline:auto;display:grid;overflow:hidden}.kd-sq{aspect-ratio:1;cursor:pointer;font:inherit;border:0;justify-content:center;align-items:center;padding:0;display:flex;position:relative}.kd-light{background:#ece9e1}.kd-dark{background:#7e8fa1}.kd-sq .kd-pw,.kd-sq .kd-pb{z-index:1;font-size:clamp(26px,9vw,42px);line-height:1}.kd-pw{color:#f8fafc;-webkit-text-stroke:1.5px #1c2b33;paint-order:stroke fill;text-shadow:0 1px 2px #00000073}.kd-pb{color:#141b21;-webkit-text-stroke:.75px #f8fafc;paint-order:stroke fill;text-shadow:0 1px 2px #ffffff4d}.kd-mini{font-size:22px}.kd-sel{box-shadow:inset 0 0 0 4px var(--accent)}.kd-last{box-shadow:inset 0 0 0 4px #0064e059}.kd-sel.kd-last{box-shadow:inset 0 0 0 4px var(--accent)}.kd-checksq{background:radial-gradient(circle,#b3261e8c 20%,#b3261e1f 70%)}.kd-dot{background:#0064e0bf;border-radius:50%;width:26%;height:26%;position:absolute}.kd-ring{border:4px solid #0064e0cc;border-radius:50%;position:absolute;inset:6%}.kd-coord{opacity:.75;color:#1c2b33;font-size:10px;font-weight:700;position:absolute}.kd-rank{top:2px;left:3px}.kd-file{bottom:2px;right:4px}.kd-tray{flex-wrap:wrap;align-items:center;gap:2px;min-height:34px;padding:4px 0;display:flex}.kd-tray-label{color:var(--muted);margin-right:4px;font-size:13px;font-weight:600}.kd-meta{color:var(--muted);margin:6px 0;font-size:13px}.kd-limit{color:var(--muted);margin:8px 0 0;font-size:13px}.kd-controls{flex-wrap:wrap;gap:8px;margin-top:12px;display:flex}.kd-btn{font:inherit;border-radius:var(--pill);border:1px solid var(--line);background:var(--surface-2);color:var(--fg);cursor:pointer;padding:10px 16px;font-size:14px;font-weight:600}.kd-btn:disabled{opacity:.45;cursor:default}.kd-btn:not(:disabled):hover{border-color:var(--accent-text)}.kd-overlay{z-index:20;background:#0a0f138c;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.kd-promo{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);text-align:center;width:100%;max-width:340px;padding:24px}.kd-promo h2{margin:0 0 4px}.kd-promo-row{grid-template-columns:repeat(4,1fr);gap:8px;margin:12px 0;display:grid}.kd-promo-btn{font:inherit;border-radius:var(--radius);border:1px solid var(--line);background:var(--surface-2);color:var(--fg);cursor:pointer;flex-direction:column;align-items:center;gap:4px;padding:10px 4px;font-size:12px;font-weight:600;display:flex}.kd-promo-btn span{font-size:34px;line-height:1}.kd-moves{border:1px solid var(--line);border-radius:var(--radius);max-height:180px;padding:8px 12px;overflow-y:auto}.kd-moverow{font-variant-numeric:tabular-nums;grid-template-columns:32px 1fr 1fr;padding:2px 0;display:grid}.kd-moveno{color:var(--muted)}.kd-note{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface-2);flex-direction:column;align-items:flex-start;gap:8px;padding:12px 14px;display:flex}.kd-note p{margin:0}.kd-err{color:var(--risk);font-size:14px}.kd-sr{clip:rect(0 0 0 0);width:1px;height:1px;position:absolute;overflow:hidden}