:root{color-scheme:light;font-family:Hiragino Kaku Gothic ProN,Hiragino Sans,Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;--bg: #f6f5f2;--surface: #ffffff;--surface-2: #f0eee8;--line: #ddd7ce;--line-strong: #bfb3a6;--text: #1f1b18;--text-2: #635b53;--text-3: #958a80;--coral: #a4473f;--coral-dark: #85362f;--coral-bg: #faece9;--amber: #a76516;--amber-bg: #fff1d6;--blue: #2c67c7;--blue-bg: #e7efff;--green: #16735f;--green-bg: #e4f4ee;--radius: 8px}*{box-sizing:border-box}html{min-width:320px;min-height:100%;background:var(--bg)}body{min-height:100%;margin:0;color:var(--text);background:var(--bg)}body,button{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}#root{min-height:100dvh}.app-shell{display:grid;width:min(1380px,100%);height:100dvh;margin:0 auto;padding:12px 14px 10px;grid-template-rows:auto minmax(0,1fr) auto;gap:10px;overflow:hidden}.topbar{display:flex;min-height:46px;align-items:center;justify-content:space-between;gap:12px;padding:0 2px}.brand,.top-actions,.tool-button,.section-head span,.metric>span,.wide-button,.statusbar{display:inline-flex;align-items:center}.brand{min-width:0;gap:10px}.brand-mark{display:grid;width:34px;height:34px;flex:0 0 34px;place-items:center;border-radius:var(--radius);color:#fff;background:var(--coral);font-size:.95rem;font-weight:900;line-height:1}.brand-copy{display:grid;min-width:0;gap:1px}.brand-name{font-size:1.02rem;font-weight:850;line-height:1.2}.brand-sub{color:var(--text-3);font-size:.72rem;font-weight:750}.top-actions{justify-content:flex-end;gap:7px}.tool-button,.wide-button{min-height:34px;justify-content:center;gap:6px;padding:0 11px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);color:var(--text);font-size:.84rem;font-weight:850;line-height:1}.tool-button:hover,.wide-button:hover{border-color:var(--line-strong)}.tool-button.primary,.wide-button.primary{border-color:var(--coral);background:var(--coral);color:#fff}.tool-button.primary:hover,.wide-button.primary:hover{border-color:var(--coral-dark);background:var(--coral-dark)}.typing-layout{display:grid;min-width:0;min-height:0;grid-template-columns:minmax(0,1fr) 322px;gap:10px}.typing-panel,.side-card{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.typing-panel{display:grid;min-width:0;min-height:0;grid-template-rows:auto auto minmax(0,1fr) auto;gap:12px;padding:18px;overflow:hidden}.typing-panel[data-hit=ok]{border-color:#aed7c5}.typing-panel[data-hit=miss]{border-color:#efb4aa;animation:miss-shake .15s linear}.game-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.status-pill{display:inline-grid;min-width:84px;height:30px;place-items:center;border-radius:999px;background:var(--surface-2);color:var(--text-2);font-size:.75rem;font-weight:950}.status-pill[data-status=playing]{background:var(--coral-bg);color:var(--coral)}.status-pill[data-status=done]{background:var(--green-bg);color:var(--green)}.time-left{display:inline-flex;align-items:center;gap:6px;color:var(--text);font-size:1.1rem;font-weight:950}.time-left svg{color:var(--coral)}.time-track{height:10px;overflow:hidden;border-radius:999px;background:var(--surface-2)}.time-track span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--coral),#d98b3a);transition:width .08s linear}.prompt-card{display:grid;min-width:0;min-height:0;align-content:center;gap:14px;padding:clamp(20px,4vw,48px);border:1px solid var(--line);border-radius:14px;background:linear-gradient(135deg,rgba(164,71,63,.08),transparent 56%),#fffefd;box-shadow:0 18px 38px #1f1b1814}.prompt-label{margin:0;color:var(--text-3);font-size:.78rem;font-weight:900}.prompt-card h1{margin:0;overflow-wrap:anywhere;font-size:clamp(2rem,4.4vw,4.4rem);font-weight:950;letter-spacing:0;line-height:1.14}.reading{margin:0;color:var(--text-2);font-size:clamp(1rem,1.7vw,1.35rem);font-weight:800}.roman-line{min-height:62px;overflow-wrap:anywhere;padding:13px 15px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:clamp(1.1rem,2.4vw,2rem);font-weight:850;line-height:1.35}.roman-typed{color:var(--green)}.roman-caret{display:inline-block;min-width:.62em;border-radius:5px;background:var(--coral);color:#fff;text-align:center;animation:caret-pulse .62s ease-in-out infinite}.roman-rest{color:var(--text-3)}.hit-row{min-height:22px;color:var(--coral);font-size:.86rem;font-weight:850}.typing-panel[data-hit=ok] .hit-row{color:var(--green)}.live-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.metric{display:grid;min-width:0;min-height:88px;align-content:center;gap:4px;padding:12px;border:1px solid var(--line);border-radius:var(--radius);background:#fffefd}.metric>span{gap:5px;color:var(--text-3);font-size:.72rem;font-weight:850}.metric svg{color:var(--coral)}.metric strong{min-width:0;overflow:hidden;color:var(--text);font-size:clamp(1.35rem,2.7vw,2.2rem);font-weight:950;line-height:1.05;text-overflow:ellipsis;white-space:nowrap}.metric small{color:var(--text-3);font-size:.72rem;font-weight:800}.side-panel{display:grid;min-width:0;min-height:0;align-content:start;gap:10px;overflow-y:auto;scrollbar-gutter:stable}.side-panel::-webkit-scrollbar{width:12px}.side-panel::-webkit-scrollbar-track{background:#efebe4}.side-panel::-webkit-scrollbar-thumb{border:3px solid #efebe4;border-radius:999px;background:#bfb3a6}.side-card{display:grid;gap:12px;padding:14px}.result-card{min-height:128px;align-content:center;border-color:#e4baaf;background:linear-gradient(135deg,var(--coral-bg),#ffffff 70%)}.result-kicker{color:var(--text-3);font-size:.76rem;font-weight:950}.result-card strong{font-size:clamp(2.5rem,5vw,3.9rem);font-weight:950;line-height:1}.result-card>span:last-child{color:var(--text-2);font-size:.86rem;font-weight:850}.section-head{display:flex;min-width:0;align-items:center;justify-content:space-between;gap:10px}.section-head span{min-width:0;gap:6px;font-size:.9rem;font-weight:900}.section-head svg{color:var(--coral)}.section-head strong{color:var(--text-3);font-size:.78rem;font-weight:900}.duration-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}.duration-tabs button{height:36px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;color:var(--text-2);font-size:.84rem;font-weight:900}.duration-tabs button[data-active=true]{border-color:var(--coral);background:var(--coral-bg);color:var(--coral)}.best-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.best-grid span{display:grid;gap:4px;min-height:62px;align-content:center;padding:9px;border:1px solid var(--line);border-radius:var(--radius);background:#fffefd}.best-grid small{color:var(--text-3);font-size:.7rem;font-weight:850}.best-grid strong{overflow:hidden;color:var(--text);font-size:1rem;font-weight:950;text-overflow:ellipsis;white-space:nowrap}.next-card p{margin:0;color:var(--text);font-size:1.05rem;font-weight:900;line-height:1.45}.next-card code{overflow-wrap:anywhere;color:var(--text-2);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.78rem;font-weight:800}.action-card{grid-template-columns:1fr 1fr}.wide-button{width:100%}.wide-button.primary{grid-column:span 2}.statusbar{min-height:22px;justify-content:space-between;gap:12px;color:var(--text-3);font-size:.74rem;font-weight:750}@keyframes miss-shake{0%,to{transform:translate(0)}35%{transform:translate(-4px)}70%{transform:translate(4px)}}@keyframes caret-pulse{0%,to{transform:translateY(0)}50%{transform:translateY(-2px)}}@media(max-width:980px){.app-shell{overflow-y:auto;height:auto;min-height:100dvh}.typing-layout{grid-template-columns:1fr}.side-panel{grid-template-columns:repeat(2,minmax(0,1fr));overflow:visible}.result-card{min-height:auto}}@media(max-width:720px){.app-shell{padding:10px}.topbar{align-items:flex-start;flex-direction:column;min-height:82px}.top-actions{width:100%}.top-actions 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