:root{--bg:#0b0c0e;--bg-2:#111315;--panel:#111316eb;--panel-strong:#15181c;--panel-soft:#101215;--line:#2c3238;--line-strong:#3d464d;--text:#f4f7fb;--muted:#98a3ad;--quiet:#6f7a84;--accent:#20c7c4;--accent-soft:#20c7c429;--good:#27d17f;--warn:#ffcf5c;--bad:#ff4d5d;--shadow:#00000052;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif}*{box-sizing:border-box}body{overflow-x:hidden;background:linear-gradient(135deg,#2a2b2780,#0b0c0ef5),repeating-linear-gradient(90deg,#ffffff07 0,#ffffff07 1px,transparent 1px,transparent 54px),var(--bg);min-width:320px;min-height:100vh;margin:0}button{display:inline-flex;border:1px solid var(--line-strong);color:var(--text);font:inherit;letter-spacing:0;cursor:pointer;background:#181b1f;border-radius:8px;justify-content:center;align-items: center;gap:.55rem;min-width:5.75rem;min-height:2.45rem;padding:.5rem .82rem;transition:border-color .14s,background-color .14s,transform .14s;font-size:.9rem;font-weight:850}button:hover:not(:disabled){border-color:var(--accent);background:#20252a;transform:translateY(-1px)}button:focus-visible{outline:2px solid var(--accent);outline-offset:3px}button:disabled{color:var(--quiet);cursor:not-allowed}button kbd{color:#c0cad3;font:inherit;text-align:center;background:#0d0f12;border:1px solid #4a535b;border-radius:5px;min-width:1.45rem;padding:.18rem .35rem;font-size:.72rem;font-weight:900;line-height:1}button:disabled kbd{color:var(--quiet);border-color:#30363c}.app-shell{outline:none;width:min(1480px,100vw - 28px);min-height:min(820px,100vh - 28px);margin:14px auto;padding:28px}.trainer-header{display:flex;justify-content:space-between;align-items: flex-end;gap:20px;margin-bottom:14px}.brand-lockup{min-width:0}.eyebrow{color:var(--accent);letter-spacing:.08em;text-transform:uppercase;margin:0 0 7px;font-size:.76rem;font-weight:850}h1{color:#fff;margin:0;font-size:3.75rem;line-height:.95}.controls{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:10px}.compat-note{color:var(--warn);margin:0 0 14px;font-size:.9rem;font-weight:800}.training-grid{display:grid;grid-template-columns:1fr;grid-template-areas:"session" "strip";align-items:stretch;gap:16px}.session-panel,.tick-timeline-panel{border:1px solid var(--line);background:var(--panel);box-shadow:0 18px 42px var(--shadow),inset 0 1px 0 #ffffff0b;border-radius:8px}.session-panel{display:flex;grid-area:session;flex-direction:column;gap:14px;min-height:0;padding:20px;transition:border-color .12s}.session-panel.sync{border-color:#27d17f8c}.session-panel.miss{border-color:#ffcf5c8c}.session-panel.wrong,.session-panel.overlap{border-color:#ff4d5d8c}.stats-panel{display:grid;grid-template-columns:minmax(300px,max-content)minmax(0,1fr);border-bottom:1px solid var(--line);align-items:stretch;gap:14px;min-width:0;padding-bottom:14px}.result-summary{display:flex;flex-direction:column;justify-content:space-between;gap:10px;min-width:0}.result-heading,.strip-heading{display:flex;color:var(--muted);letter-spacing:.08em;text-transform:uppercase;justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:18px;font-size:.82rem;font-weight:850}.result-summary .result-heading{margin-bottom:0}.result-heading strong,.strip-heading strong{color:var(--text);letter-spacing:0;text-transform:none}.session-state{display:inline-flex;white-space:nowrap;align-items: center;gap:8px}.status-dot{display:inline-block;background:#66707a;border-radius:999px;flex:none;width:.62rem;height:.62rem;box-shadow:0 0 0 3px #66707a29}.status-dot.on{background:var(--good);box-shadow:0 0 0 3px #27d17f2e}.sync-score{display:flex;align-items:baseline;gap:10px}.sync-score span{color:#fff;font-size:3.35rem;font-weight:950;line-height:.9}.sync-score small{color:var(--accent);text-transform:uppercase;font-size:1rem;font-weight:900}.stats-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));justify-content:end;gap:8px}.stats-grid div{background:var(--panel-soft);border:1px solid #272e35;border-radius:8px;min-height:50px;padding:8px 10px}.stats-grid span{display:block;color:var(--quiet);text-transform:uppercase;margin-bottom:5px;font-size:.72rem;font-weight:850}.stats-grid strong{color:var(--text);font-size:1rem;line-height:1}.input-panel{display:block;min-width:0}.mouse-track{position:relative;overflow:hidden;border:1px solid var(--line-strong);background:linear-gradient(90deg,#ffffff0b,transparent 50%,#ffffff0b),var(--panel-strong);border-radius:8px;height:78px}.track-axis{position:absolute;background:#353c43;height:2px;top:50%;left:18px;right:18px;transform:translateY(-50%)}.track-center{position:absolute;background:#7b858e;width:2px;top:10px;bottom:10px;left:50%;transform:translate(-50%)}.mouse-fill{position:absolute;background:#66707a;border-radius:8px;height:28px;transition:width 70ms linear,background-color 90ms,box-shadow 90ms;top:50%;transform:translateY(-50%)}.mouse-fill-left{right:50%}.mouse-fill-right{left:50%}.session-panel.sync .mouse-fill{background:var(--good);box-shadow:0 0 22px #27d17f47}.session-panel.miss .mouse-fill,.session-panel.wrong .mouse-fill,.session-panel.overlap .mouse-fill{background:var(--warn);box-shadow:0 0 22px #ffcf5c38}.mouse-support-row{display:grid;grid-template-columns:minmax(0,1fr)auto minmax(0,1fr);align-items: center;gap:12px;margin-top:10px}.motion-state,.motion-delta{color:#dfe6ed;font-size:1rem;font-weight:900}.motion-state{justify-self:start}.motion-delta{color:var(--muted);text-align:right;justify-self:end}.mini-keys{display:flex;flex:none;gap:8px}.keycap{display:grid;color:#8f9ba5;user-select:none;background:#14171b;border:1px solid #414a52;border-radius:8px;place-items: center;transition:border-color 90ms,background-color 90ms,color 90ms,box-shadow 90ms;font-weight:950;line-height:1;box-shadow:inset 0 -4px #00000047}.keycap-compact{width:56px;height:46px;font-size:1.28rem}.keycap.pressed{border-color:var(--accent);color:#fff;box-shadow:inset 0 -2px 0 #00000038,0 0 18px var(--accent-soft);background:#173134}.keycap.good{border-color:var(--good);color:#e4fff1;background:#113421}.keycap.bad{border-color:var(--bad);color:#ffe6e8;background:#3a151a}.tick-timeline-panel{grid-area:strip;min-height:300px;padding:18px 20px 20px}.tick-timeline{display:grid;gap:10px}.tick-lane{display:grid;grid-template-columns:76px minmax(0,1fr);align-items: center;gap:10px}.tick-lane-label{color:var(--muted);text-align:right;text-transform:uppercase;font-size:.72rem;font-weight:900}.tick-lane-cells{display:grid;grid-template-columns:repeat(64,minmax(5px,1fr));border:1px solid var(--line);overflow:hidden;background:#0f1215;border-radius:6px;align-items: center;gap:0;padding:10px}.tick-cell{position:relative;display:block;color:#0000;outline:none;border:0;border-radius:0;width:100%;min-width:0;height:19px;transition:background-color 80ms,opacity 80ms;font-size:0;line-height:0;box-shadow:inset -1px 0 #06080a6b}.tick-cell:not(.active){opacity:.64}.tick-cell.active{opacity:1}.tick-cell.strafe-divider:before{position:absolute;z-index:1;content:"";pointer-events:none;background:#f4f7fbbd;width:2px;inset:-2px auto -2px 0}.tick-cell.current-tick:after{position:absolute;z-index:2;background:var(--accent);content:"";pointer-events:none;width:2px;inset:-5px auto -5px 50%;transform:translate(-50%);box-shadow:0 0 10px #20c7c49e}.tick-cell:nth-child(8n){box-shadow:inset -1px 0 #f4f7fb2e}.tick-cell.active:not(.join-previous),.tick-cell.active:not(.join-next){border-radius:0}.tick-cell:focus-visible{outline:2px solid #f4f7fbb8;outline-offset:2px;z-index:1}.tick-sync{background:var(--good)}.tick-mouse{background:var(--warn)}.tick-wrong{background:var(--bad)}.tick-neutral,.tick-empty,.tick-key-neutral{background:#24282d}.tick-key-neutral.active{background:#2f8cff}.strip-legend{display:flex;color:var(--muted);text-transform:uppercase;flex-wrap:wrap;gap:10px 14px;margin-top:12px;font-size:.76rem;font-weight:850}.strip-legend span{display:inline-flex;align-items: center;gap:6px}.legend-swatch{display:inline-block;border-radius:2px;width:1.3rem;height:.48rem;margin-right:0}.legend-sync{background:var(--good)}.legend-mouse{background:var(--warn)}.legend-wrong{background:var(--bad)}.legend-key-neutral{background:#2f8cff}.legend-neutral{background:#24282d;border:1px solid #394149}.legend-divider{display:inline-block;background:#f4f7fbbd;width:2px;height:.72rem;margin:0 .65rem}.legend-current{display:inline-block;background:var(--accent);width:2px;height:.72rem;margin:0 .65rem;box-shadow:0 0 8px #20c7c485}@media (max-width:980px){body{overflow-y:auto}.app-shell{width:min(100vw,760px);min-height:100vh;margin:0 auto;padding:18px}.trainer-header,.result-heading,.strip-heading{flex-direction:column;align-items: flex-start}h1{font-size:2.65rem}.controls{justify-content:flex-start;width:100%}.session-panel,.tick-timeline-panel{min-height:auto}.stats-panel{grid-template-columns:1fr}.stats-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (max-width:560px){.app-shell{padding:14px}h1{font-size:2.15rem}.controls button{flex:30%;min-width:0}.session-panel,.tick-timeline-panel{padding:14px}.mouse-track{height:62px}.mouse-support-row{grid-template-columns:1fr;justify-items:stretch}.motion-state,.motion-delta{text-align:center;justify-self:stretch}.mini-keys{justify-content:center}.tick-lane{grid-template-columns:1fr;gap:4px}.tick-lane-label{text-align:left}.tick-lane-cells{grid-template-columns:repeat(64,minmax(3px,1fr));gap:0;padding:6px}.tick-cell{height:14px}.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important}}