:root{--bg: #020617;--panel: rgba(15, 23, 42, .88);--text: #e2e8f0;--ok: #22c55e;--bad: #ef4444;--pending: #94a3b8;--accent: #38bdf8;--preview: #facc15;--guide-width: 1078px;--guide-height: 412px;--guide-center-y: 34%;--guide-gap: 20px;--target-max-height: 260px}*{box-sizing:border-box}html,body,#app,#debug-root{margin:0;width:100%;height:100%;background:radial-gradient(circle at 20% 10%,#1e293b,var(--bg));color:var(--text);font-family:Noto Sans SC,Microsoft Yahei,sans-serif}#app{position:relative;overflow:hidden}.canvas-wrap{width:100%;height:100%}.overlay-root{position:absolute;inset:0;pointer-events:none;z-index:4}.target-line{position:absolute;left:50%;top:calc(var(--guide-center-y) + (var(--guide-height) / 2) + var(--guide-gap));transform:translate(-50%);width:min(var(--guide-width),calc(100vw - 24px));max-height:min(var(--target-max-height),calc(100vh - 140px));padding:0;border:0;background:transparent;-webkit-backdrop-filter:none;backdrop-filter:none;line-height:1;overflow:hidden;display:grid;gap:4px}.target-content{display:flex;flex-wrap:nowrap;align-items:center;align-content:center;gap:4px 2px;min-height:66px;width:100%}.focus-line{border-radius:10px;border:1px solid rgba(56,189,248,.35);background:#0f172acc;padding:8px 10px;width:100%;overflow:hidden}.context-line{width:100%;min-height:34px;line-height:1;display:flex;align-items:flex-end;gap:4px 2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding:0 10px;background:transparent;border:0}.context-prev{color:#86efacbd}.context-next{color:#94a3b8d1}.context-char-cell{min-width:32px}.context-char-cell .char-code{font-size:10px;margin-bottom:3px;opacity:.72}.context-char-cell .char-glyph{font-size:36px}.focus-char-cell .char-code{display:none}.focus-char-cell{justify-content:center}.cursor.hidden{display:none}.target-ellipsis{margin:2px 0;width:100%;text-align:center;color:#cbd5e1;font-size:18px;line-height:1;letter-spacing:2px}.target-ellipsis.hidden{display:none}.typed-ok{color:var(--ok)}.typed-bad{color:var(--bad)}.pending{color:var(--pending)}.preview-match{color:var(--preview);text-shadow:0 0 12px rgba(250,204,21,.28)}.preview-warn{color:#fb923c;text-shadow:0 0 10px rgba(251,146,60,.24)}.pending-char{color:var(--pending)}.cursor{color:var(--accent);font-weight:700;font-size:34px;line-height:1}.floating-cursor{position:absolute;pointer-events:none;transition:left .15s cubic-bezier(.2,.8,.25,1),top .15s cubic-bezier(.2,.8,.25,1);animation:cursor-blink 1s steps(1) infinite}.floating-cursor:after{content:"";position:absolute;left:-20px;top:50%;width:18px;height:8px;transform:translateY(-50%);border-radius:10px;background:linear-gradient(to right,#38bdf800,#38bdf873);opacity:0;transition:opacity .12s ease}.floating-cursor.cursor-moving:after{opacity:1}.char-cell{min-width:32px;display:inline-flex;flex-direction:column;align-items:center;justify-content:flex-end}.char-code{min-height:14px;font-size:11px;line-height:1;opacity:.85;letter-spacing:.3px;margin-bottom:4px}.char-glyph{font-size:36px;line-height:1}.ime-bubble{position:absolute;min-width:240px;max-width:min(860px,calc(100vw - 240px));padding:8px 10px;border:1px solid rgba(148,163,184,.25);border-radius:10px;background:var(--panel);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.ime-bubble.hidden{display:none}.candidate-match{color:var(--preview);font-weight:700}.candidate-row{line-height:1.25;margin-top:2px}.candidate-page{margin-top:4px;font-size:12px;color:#cbd5e1}.pending-code{color:#cbd5e1}.ime-raw,.candidate-line{font-size:16px;margin-top:4px;display:flex;flex-direction:column}.status-line,.mode-line,.metric-line{position:absolute;left:20px;font-size:14px;color:#cbd5e1;padding:4px 8px;border-radius:8px;background:#02061773}.status-line{top:16px}.mode-line{top:46px}.metric-line{top:76px}.perf-badge{position:absolute;right:16px;top:16px;padding:6px 8px;border-radius:8px;background:#0f172ab8;font-size:12px}.keyboard-guide{position:absolute;left:50%;top:var(--guide-center-y);width:var(--guide-width);height:var(--guide-height);aspect-ratio:1078 / 412;transform:translate(-50%,-50%);transform-origin:center;border-radius:14px;border:1px solid rgba(148,163,184,.18);background:#0f172a33;box-shadow:0 10px 24px #02061773;pointer-events:none;-webkit-user-select:none;user-select:none;z-index:2;overflow:hidden;--key-pop-peak: 1.24;--key-pop-settle: 1.08;--key-pop-lift: 18px;--key-pop-duration: .22s}.keyboard-annotation{position:absolute;pointer-events:none;-webkit-user-select:none;user-select:none}.keyboard-key{position:absolute;margin:0;padding:0;border:0;background:transparent;pointer-events:none;border-radius:8px;transition:filter 90ms ease;transform-origin:center center;will-change:transform,filter}.keyboard-key img{width:100%;height:100%;display:block;-webkit-user-select:none;user-select:none;pointer-events:none}.keyboard-key.is-active{filter:brightness(1.24) drop-shadow(0 0 14px rgba(250,204,21,.52));z-index:3}.keyboard-key.key-hit{animation:key-hit-pop var(--key-pop-duration) cubic-bezier(.18,.78,.2,1)}.custom-target-panel{position:absolute;right:16px;bottom:16px;width:min(420px,calc(100vw - 32px));padding:10px;border-radius:10px;border:1px solid rgba(148,163,184,.25);background:#0f172ae6;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);display:grid;gap:6px;pointer-events:auto}.custom-target-input{width:100%;resize:vertical;min-height:68px;max-height:180px;border-radius:8px;border:1px solid rgba(148,163,184,.35);background:#020617bf;color:var(--text);padding:8px;font-size:13px;line-height:1.4}.custom-target-apply{justify-self:end;border:0;border-radius:8px;padding:6px 10px;background:#0284c7;color:#f8fafc;font-size:13px;cursor:pointer}.custom-target-apply:hover{background:#0369a1}.custom-target-hint{font-size:12px;color:#cbd5e1}.custom-target-hint.error{color:#fca5a5}.debug-panel{margin:24px;max-width:720px;padding:16px;border-radius:12px;border:1px solid rgba(148,163,184,.25);background:#0f172ae0;display:grid;gap:8px}@media(max-width:960px){:root{--guide-center-y: 22%;--guide-height: 300px;--guide-gap: 14px;--target-max-height: 220px}.keyboard-guide{width:min(1078px,calc(100vw - 16px));height:auto;max-height:min(300px,38vh);left:50%;top:12px;transform:translate(-50%);opacity:.88}.target-line{top:calc(12px + var(--guide-height) + var(--guide-gap));width:min(1078px,calc(100vw - 16px));max-height:min(var(--target-max-height),calc(100vh - 380px));padding:10px 12px 12px}.context-line{min-height:28px}.context-char-cell .char-glyph{font-size:30px}.char-cell{min-width:30px}.char-glyph{font-size:30px}.cursor{font-size:28px}.ime-bubble{max-width:calc(100vw - 72px)}.custom-target-panel{width:calc(100vw - 24px);right:12px;bottom:12px}}@keyframes cursor-blink{0%,45%{opacity:1}50%,95%{opacity:.18}to{opacity:1}}@keyframes key-hit-pop{0%{transform:translateY(0) scale(1)}28%{transform:translateY(calc(-1 * var(--key-pop-lift))) scale(var(--key-pop-peak))}to{transform:translateY(0) scale(1)}}