*{box-sizing:border-box;margin:0;padding:0}:root{--bg:#0f1117;--surface:#1a1d27;--cell:#232838;--cell-done:#2e7d5b;--text:#e7e9ee;--muted:#9aa0ad;--accent:#4f8cff;--header-h:46px}body,html{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-tap-highlight-color:transparent}.game,.result{max-width:520px;margin:0 auto;padding:24px 16px;min-height:calc(100dvh - var(--header-h));display:flex;flex-direction:column;align-items:center;gap:16px}.game h1{font-size:20px;font-weight:600;text-align:center}.game__hint{color:var(--muted);font-size:16px}.game__hint b{color:var(--accent);font-size:22px}.board{display:grid;grid-gap:8px;gap:8px;width:100%}.cell{position:relative;aspect-ratio:1/1;border:none;border-radius:12px;background:var(--cell);color:var(--text);font-size:clamp(18px,6vw,28px);font-weight:600;cursor:pointer;transition:background .12s ease,transform .06s ease}.cell:active{transform:scale(.95)}.cell--done{background:var(--cell-done);color:#cfeede;opacity:.55}.cell--done:after{content:"✓";position:absolute;top:2px;right:6px;font-size:.5em;line-height:1;color:#eafff3}.result h1{font-size:28px;margin-top:24px}.result__time{font-size:40px;font-weight:700;color:var(--accent)}.result__saved{color:var(--cell-done);font-weight:600}.btn{width:100%;max-width:360px;padding:14px 18px;border:1px solid #2c3142;border-radius:12px;background:var(--surface);color:var(--text);font-size:16px;font-weight:600;cursor:pointer}.btn--primary{background:var(--accent);border-color:var(--accent);color:#06122b}.auth{display:flex;flex-direction:column;gap:10px;width:100%;max-width:360px}.auth input{padding:13px 14px;border-radius:10px;border:1px solid #2c3142;background:var(--cell);color:var(--text);font-size:16px}.auth__error{color:#ff6b6b;font-size:14px}.link{background:none;border:none;color:var(--muted);font-size:14px;cursor:pointer;text-decoration:underline}.picker{gap:10px;width:100%;max-width:360px}.picker,.picker__item{display:flex;flex-direction:column}.picker__item{gap:2px;text-align:left;padding:14px 16px;border:1px solid #2c3142;border-radius:12px;background:var(--surface);color:var(--text);cursor:pointer}.picker__title{font-size:16px;font-weight:600}.picker__domain{font-size:13px;color:var(--muted)}.stroop-word{font-size:clamp(40px,14vw,72px);font-weight:800;letter-spacing:1px;margin:16px 0}.stroop-buttons{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:10px;gap:10px;width:100%;max-width:360px}.stroop-btn{padding:16px;border:none;border-radius:12px;color:#06122b;font-weight:700;font-size:16px;cursor:pointer}.nback-letter{font-size:clamp(72px,28vw,140px);font-weight:800;height:1.4em;display:flex;align-items:center;justify-content:center}.btn--pressed{opacity:.6}.cell--lit{background:var(--accent);box-shadow:0 0 0 3px #fff inset,0 0 14px var(--accent);transform:scale(1.06)}@media (prefers-reduced-motion:reduce){.cell,.cell--lit,.cell:active{transition:none;transform:none}}.result__summary{width:100%;max-width:360px;display:flex;flex-direction:column;gap:6px;margin-bottom:8px}.result__row{display:flex;justify-content:space-between;padding:8px 4px;border-bottom:1px solid #232838}.result__row b{color:var(--accent)}.topbar{position:-webkit-sticky;position:sticky;top:0;z-index:10;height:var(--header-h);display:flex;align-items:center;justify-content:space-between;gap:8px;padding:0 14px;background:#11141c;border-bottom:1px solid #232838;font-size:14px}.topbar__brand{font-weight:700}.topbar__badge{font-weight:500;font-size:11px;color:#f5d90a;border:1px solid #5a5320;border-radius:6px;padding:1px 6px;margin-left:6px}.topbar__auth{display:flex;align-items:center;gap:10px;color:var(--muted)}.topbar__email{color:var(--text);max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.topbar__guest{color:var(--muted)}.streak{color:#f5a623;font-weight:700;font-size:17px}