@import"https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;650&family=JetBrains+Mono:wght@400;600&display=swap";:root{color-scheme:dark;--bg: #0a0d12;--bg-alt: #10141b;--card: #131822;--card-border: rgba(255, 255, 255, .07);--text: #e7eaf1;--text-dim: #8b93a6;--accent: #6ee7b7;--accent-2: #60a5fa;--warn: #fbbf24;--danger: #f87171;--font-display: "Space Grotesk", system-ui, sans-serif;--font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", monospace}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 15% 0%,#14192a 0%,var(--bg) 55%);color:var(--text);font-family:var(--font-display);-webkit-font-smoothing:antialiased}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}.app-shell{max-width:62rem;margin:0 auto;padding:2.5rem 1.5rem 4rem;display:flex;flex-direction:column;gap:1.75rem}.app-header .brand{display:flex;align-items:center;gap:1rem}.brand-mark{font-size:1.6rem;color:var(--accent);filter:drop-shadow(0 0 10px rgba(110,231,183,.5))}.app-header h1{margin:0;font-size:clamp(1.6rem,3vw,2.1rem);font-weight:650;letter-spacing:-.02em}.app-header p{margin:.2rem 0 0;color:var(--text-dim);max-width:34rem}.tablist{display:flex;gap:.4rem;overflow-x:auto;padding-bottom:.25rem;border-bottom:1px solid var(--card-border)}.tab-btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;background:transparent;color:var(--text-dim);font-family:inherit;font-size:.92rem;font-weight:500;padding:.65rem 1rem;border-radius:.6rem .6rem 0 0;cursor:pointer;white-space:nowrap;border-bottom:2px solid transparent;transition:color .15s ease,border-color .15s ease,background .15s ease}.tab-btn:hover{color:var(--text);background:#ffffff08}.tab-btn.active{color:var(--accent);border-bottom-color:var(--accent)}.tab-btn:focus-visible,button:focus-visible,input:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px}.tabpanel{min-height:22rem}.overview{display:flex;flex-direction:column;gap:1.5rem}.overview-intro h2{margin:0 0 .35rem;font-size:1.3rem}.overview-intro p{margin:0;color:var(--text-dim);max-width:40rem}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(13rem,1fr));gap:1rem}.stat-card{text-align:left;background:var(--card);border:1px solid var(--card-border);border-radius:1rem;padding:1.2rem;display:flex;flex-direction:column;gap:.3rem;cursor:pointer;color:inherit;font-family:inherit;transition:transform .15s ease,border-color .15s ease,background .15s ease}.stat-card:hover{transform:translateY(-2px);border-color:#6ee7b766;background:#161c27}.stat-label{color:var(--text-dim);font-size:.85rem}.stat-value{font-family:var(--font-mono);font-size:1.5rem;font-weight:600;color:var(--text)}.stat-hint{color:var(--text-dim);font-size:.78rem}.stat-cta{margin-top:.4rem;color:var(--accent);font-size:.82rem;font-weight:500}.test-card{background:var(--card);border:1px solid var(--card-border);border-radius:1.2rem;padding:1.6rem;display:flex;flex-direction:column;gap:1.1rem}.test-head{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;flex-wrap:wrap}.test-head h2{margin:0 0 .2rem;font-size:1.25rem}.test-head p{margin:0;color:var(--text-dim);font-size:.9rem;max-width:28rem}.best-badge{font-family:var(--font-mono);font-size:.82rem;background:#6ee7b714;color:var(--accent);border:1px solid rgba(110,231,183,.25);padding:.35rem .7rem;border-radius:999px;white-space:nowrap}.status-line{margin:0;color:var(--text-dim);font-size:.9rem}.btn{font-family:inherit;font-size:.9rem;font-weight:550;padding:.65rem 1.3rem;border-radius:.7rem;border:1px solid transparent;cursor:pointer;transition:transform .1s ease,background .15s ease,border-color .15s ease}.btn:active{transform:scale(.97)}.btn-primary{background:var(--accent);color:#08130e}.btn-primary:hover{background:#83f0c4}.btn-ghost{background:transparent;color:var(--text-dim);border-color:var(--card-border)}.btn-ghost:hover{color:var(--text);border-color:#fff3}.btn-danger{background:transparent;color:var(--danger);border-color:#f8717159;align-self:flex-start}.btn-danger:hover{background:#f8717114}.test-actions{display:flex;align-items:center;gap:.9rem;flex-wrap:wrap}.result-text{font-family:var(--font-mono);color:var(--text);font-size:.95rem}.muted{color:var(--text-dim);font-size:.85rem}.reaction-zone{border-radius:1rem;min-height:12rem;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.4rem;cursor:pointer;-webkit-user-select:none;user-select:none;text-align:center;transition:background .15s ease;border:1px solid var(--card-border)}.reaction-zone.phase-idle,.reaction-zone.phase-result{background:#171d29}.reaction-zone.phase-waiting{background:linear-gradient(160deg,#33161b,#23101a)}.reaction-zone.phase-ready{background:linear-gradient(160deg,#103a2a,#0c2b20);animation:pulse-glow .6s ease infinite alternate}.reaction-zone.phase-early{background:linear-gradient(160deg,#3a2a10,#2b2010)}.reaction-title{font-family:var(--font-mono);font-size:2rem;font-weight:600}.reaction-sub{color:var(--text-dim);font-size:.9rem}@keyframes pulse-glow{0%{box-shadow:0 0 #6ee7b700}to{box-shadow:0 0 40px #6ee7b740 inset}}.history-row{display:flex;gap:.5rem;flex-wrap:wrap}.chip{font-family:var(--font-mono);font-size:.8rem;padding:.3rem .6rem;border-radius:999px;border:1px solid var(--card-border);color:var(--text-dim)}.chip.tone-great{color:var(--accent);border-color:#6ee7b766}.chip.tone-good{color:var(--accent-2);border-color:#60a5fa66}.chip.tone-ok{color:var(--warn);border-color:#fbbf2466}.chip.tone-slow{color:var(--danger);border-color:#f8717166}.pad-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.8rem;max-width:18rem;margin:0 auto}.pad{aspect-ratio:1;border-radius:.9rem;border:none;background:color-mix(in srgb,var(--pad-color) 28%,#12161f);cursor:pointer;transition:background .12s ease,transform .08s ease}.pad:disabled{cursor:default}.pad.active{background:var(--pad-color);transform:scale(.97);box-shadow:0 0 24px color-mix(in srgb,var(--pad-color) 60%,transparent)}.pad:not(:disabled):hover{filter:brightness(1.15)}.timer-track{height:6px;border-radius:999px;background:#ffffff14;overflow:hidden}.timer-bar{height:100%;width:100%;background:linear-gradient(90deg,var(--accent),var(--accent-2));animation-name:shrink;animation-timing-function:linear;animation-fill-mode:forwards;transform-origin:left}@keyframes shrink{0%{transform:scaleX(1)}to{transform:scaleX(0)}}.color-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:.5rem;max-width:26rem;margin:0 auto;transition:opacity .2s ease}.color-tile{aspect-ratio:1;border-radius:.6rem;border:none;cursor:pointer;transition:transform .08s ease}.color-tile:not(:disabled):hover{transform:scale(1.05)}.color-tile:disabled{cursor:default}.sentence-display{font-family:var(--font-mono);font-size:1.15rem;line-height:1.8;background:var(--bg-alt);border:1px solid var(--card-border);border-radius:.8rem;padding:1rem 1.2rem;margin:0;letter-spacing:.01em}.char.pending{color:var(--text-dim)}.char.correct{color:var(--accent)}.char.incorrect{color:var(--danger);text-decoration:underline;text-decoration-color:var(--danger)}.char.current{color:var(--text);background:#60a5fa40;border-radius:2px}.typing-input{font-family:var(--font-mono);font-size:1rem;padding:.75rem 1rem;border-radius:.7rem;border:1px solid var(--card-border);background:var(--bg-alt);color:var(--text);width:100%}.typing-input:disabled{opacity:.6}.typing-input::placeholder{color:var(--text-dim)}.typing-meta{display:flex;justify-content:space-between;align-items:center;font-family:var(--font-mono);font-size:.85rem;color:var(--text-dim)}.app-footer{border-top:1px solid var(--card-border);padding-top:1.2rem;color:var(--text-dim);font-size:.8rem}@media (max-width: 640px){.app-shell{padding:1.5rem 1rem 3rem}.test-card{padding:1.2rem}.reaction-title{font-size:1.5rem}.color-grid{grid-template-columns:repeat(4,1fr)}}@media (prefers-reduced-motion: reduce){.reaction-zone.phase-ready{animation:none}.stat-card:hover{transform:none}}