:root{--text:#56616f;--text-soft:#6f7a87;--text-h:#111827;--bg:#f7f8fa;--surface:#fff;--border:#d9dee7;--border-strong:#aeb8c7;--keyboard-bg:#eef1f5;--key-bg:#fff;--key-border:#c7ceda;--target-bg:#f6f9fc;--focus:#2563eb;--focus-ring:#2563eb2e;--danger:#dc2626;--danger-bg:#fee2e2;--writing-line:#cbd5e1;--battle-grid:#e9edf3;--air:#38bdf8;--navy:#0f766e;--ground:#65a30d;--finger-index:#fff1a8;--finger-middle:#bfdbfe;--finger-ring:#bbf7d0;--finger-pinky:#fecaca;--finger-thumb:#ddd6fe;--sans:Inter, ui-sans-serif, system-ui, "Segoe UI", Roboto, sans-serif;font:16px/1.5 var(--sans);color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0}button,select{font:inherit}h1{color:var(--text-h);margin:0;font-size:40px;line-height:1.1}@media (prefers-color-scheme:dark){:root{--text:#b8c0cc;--text-soft:#8d98a8;--text-h:#f8fafc;--bg:#111318;--surface:#181b22;--border:#303642;--border-strong:#4b5563;--keyboard-bg:#151922;--key-bg:#232834;--key-border:#3d4656;--target-bg:#151922;--focus:#60a5fa;--focus-ring:#60a5fa38;--danger:#f87171;--danger-bg:#3f1d23;--writing-line:#3c4655;--battle-grid:#202634;--air:#38bdf8;--navy:#2dd4bf;--ground:#a3e635;--finger-index:#5b4d16;--finger-middle:#1f4b7a;--finger-ring:#1f5f3b;--finger-pinky:#733234;--finger-thumb:#4c3b7a}}.keyboard{border:1px solid var(--border);background:var(--keyboard-bg);box-sizing:border-box;border-radius:8px;gap:8px;width:min(100%,980px);margin-inline:auto;padding:16px;display:grid}.keyboard__row{justify-content:center;gap:8px;min-width:0;display:flex}.keyboard__key{border:1px solid var(--key-border);background:var(--key-bg);width:clamp(34px,5vw,58px);height:clamp(34px,5vw,58px);color:var(--text-h);font:600 14px/1 var(--sans);text-transform:lowercase;box-sizing:border-box;border-radius:6px;justify-content:center;align-items:center;transition:background-color .12s,border-color .12s,box-shadow .12s;display:inline-flex}.keyboard__key--md{width:clamp(44px,7vw,76px)}.keyboard__key--lg{width:clamp(58px,9vw,104px)}.keyboard__key--space{width:min(42vw,360px)}.keyboard__key--active{border-color:color-mix(in srgb, currentColor 45%, transparent);box-shadow:inset 0 -2px #0000001f}.keyboard__key--index{background:var(--finger-index)}.keyboard__key--middle{background:var(--finger-middle)}.keyboard__key--ring{background:var(--finger-ring)}.keyboard__key--pinky{background:var(--finger-pinky)}.keyboard__key--thumb{background:var(--finger-thumb)}.basic-practice{gap:18px;display:grid}.panel-heading{justify-content:space-between;align-items:end;gap:16px;display:flex}.panel-heading h2{color:var(--text-h);margin:0;font-size:28px;line-height:1.15}.panel-heading__eyebrow{color:var(--text-soft);text-transform:uppercase;margin:0 0 6px;font-size:13px;font-weight:700}.practice-stats{color:var(--text-soft);gap:10px;font-size:14px;font-weight:700;display:flex}.writing-board{border:1px solid var(--border);background:var(--surface);border-radius:8px;height:220px;position:relative;overflow:hidden}.writing-board--error{border-color:var(--danger);animation:.18s ease-in-out 2 board-error}.writing-board__line{border-top:1px solid var(--writing-line);position:absolute;inset-inline:0}.writing-board__line span{background:var(--surface);color:var(--text-soft);padding-right:6px;font-size:11px;font-weight:700;position:absolute;top:-10px;left:12px}.writing-board__line--ascender{top:34px}.writing-board__line--cap{top:78px}.writing-board__line--baseline{border-color:var(--border-strong);top:142px}.writing-board__line--descender{top:186px}.writing-board__char{color:var(--text-h);font-size:118px;font-weight:700;line-height:1;position:absolute;top:46px;left:50%;transform:translate(-50%)}.result-panel{border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:8px;gap:4px;padding:18px;display:grid}.result-panel strong{color:var(--text-h);font-size:22px}@keyframes board-error{50%{background:var(--danger-bg)}}@media (width<=720px){.panel-heading{flex-direction:column;align-items:start}}.shooting-game{gap:18px;display:grid}.game-hud{color:var(--text-soft);flex-wrap:wrap;justify-content:flex-end;gap:10px;font-size:14px;font-weight:700;display:flex}.battlefield{border:1px solid var(--border);background:linear-gradient(var(--battle-grid) 1px, transparent 1px), linear-gradient(90deg, var(--battle-grid) 1px, transparent 1px), var(--surface);background-size:48px 48px;border-radius:8px;height:420px;position:relative;overflow:hidden}.battlefield__baseline{inset-inline:0;border-top:2px solid var(--danger);position:absolute;top:91.43%}.enemy{border:1px solid var(--border);background:var(--surface);width:72px;min-height:48px;color:var(--text-h);border-radius:8px;place-items:center;gap:2px;font-size:13px;transition:top .38s linear;display:grid;position:absolute;transform:translate(-50%);box-shadow:0 10px 22px #0f172a1a}.enemy__icon{color:var(--text-soft);text-transform:uppercase;font-size:11px;font-weight:800}.enemy--air{border-color:var(--air)}.enemy--navy{border-color:var(--navy)}.enemy--ground{border-color:var(--ground)}.game-over{border:1px solid var(--border);background:color-mix(in srgb, var(--surface) 94%, transparent);color:var(--text);text-align:center;border-radius:8px;gap:4px;padding:18px;display:grid;position:absolute;inset:auto 24px 56px}.game-over strong{color:var(--text-h);font-size:24px}.app{box-sizing:border-box;align-content:center;gap:24px;width:min(1120px,100%);min-height:100svh;margin-inline:auto;padding:32px 20px;display:grid}.app-toolbar{justify-content:space-between;align-items:end;gap:16px;display:flex}.app-toolbar__eyebrow{color:var(--text-soft);text-transform:uppercase;margin:0 0 6px;font-size:14px;font-weight:700}.app-toolbar__controls{align-items:center;gap:12px;display:flex}.app-toolbar select{border:1px solid var(--border);background:var(--surface);min-width:180px;height:40px;color:var(--text-h);font:600 14px/1 var(--sans);border-radius:6px;padding:0 12px}.mode-tabs{border:1px solid var(--border);background:var(--surface);border-radius:8px;display:inline-flex;overflow:hidden}.mode-tabs button{border:0;border-right:1px solid var(--border);min-width:72px;height:38px;color:var(--text);background:0 0;font-weight:700}.mode-tabs button:last-child{border-right:0}.mode-tabs button[aria-pressed=true]{background:var(--focus);color:#fff}@media (width<=720px){.app{align-content:start;padding-inline:12px}.app-toolbar,.app-toolbar__controls{flex-direction:column;align-items:stretch}.app-toolbar select,.mode-tabs{width:100%}.mode-tabs button{flex:1}}