:root{--bg: #fbfaf8;--panel: #ffffff;--panel-2: #f3f0ea;--ink: #1a1a1a;--muted: #76787d;--line: #e6e2da;--accent: #16181d;--paper: #f6f4ee;--rh: #20242f;--lh: #d8d2c6;--green: #2f9e54;--amber: #c08a2d;--red: #c2452f;--radius: 14px;--serif: "Playfair Display", Georgia, "Times New Roman", serif;--sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--ink);font-family:var(--sans);overscroll-behavior:none;-webkit-user-select:none;user-select:none}.app{height:100dvh;display:flex;flex-direction:column}button{font:inherit;color:inherit;cursor:pointer;border:none;background:none}.muted{color:var(--muted)}.eyebrow{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.14em;color:var(--muted)}.home{flex:1;overflow-y:auto;padding:clamp(20px,5vw,48px);max-width:760px;margin:0 auto;width:100%}.home-head h1{margin:0;font-family:var(--serif);font-weight:700;font-size:clamp(32px,7vw,52px);letter-spacing:-.01em;color:var(--ink)}.home-head p{margin:8px 0 28px;font-size:15px}.home-section{margin-bottom:26px}.section-title{margin:0 0 10px;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.14em;color:var(--muted)}.level-list{display:flex;flex-direction:column;gap:8px}.level-row{display:flex;align-items:center;gap:14px;text-align:left;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:15px 18px;transition:border-color .15s ease,transform .08s ease}.level-row:active{transform:scale(.995);border-color:var(--accent)}.level-body{flex:1;min-width:0}.level-name{font-family:var(--serif);font-weight:600;font-size:19px;letter-spacing:-.01em}.level-sub{font-size:12.5px;line-height:1.35;margin-top:2px}.level-stars{flex:none;color:#c8a23a;letter-spacing:1px;font-size:15px}.level-stars .dim{color:#00000018}.home-foot{margin-top:24px;font-size:12px;text-align:center}.practice{flex:1;display:flex;flex-direction:column;min-height:0}.topbar{position:relative;display:flex;align-items:center;gap:10px;padding:8px 12px;padding-top:max(8px,env(safe-area-inset-top));background:var(--bg);border-bottom:1px solid var(--line)}.topbar-title{flex:1;min-width:0;font-family:var(--serif);font-weight:600;font-size:17px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.topbar-controls{display:flex;align-items:center;gap:6px}.icon-btn{min-width:38px;height:38px;padding:0 10px;display:grid;place-items:center;border-radius:10px;background:transparent;border:1px solid var(--line);color:var(--ink);font-size:16px;line-height:1}.icon-btn:disabled{opacity:.4}.icon-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}.tempo{display:flex;align-items:center;gap:2px;border:1px solid var(--line);border-radius:10px;padding:2px}.tempo .icon-btn{border:none;min-width:30px;height:32px}.tempo-val{font-size:13px;min-width:52px;text-align:center;font-variant-numeric:tabular-nums}.sheet-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:20}.settings-sheet{position:absolute;top:calc(100% + 6px);right:8px;z-index:21;width:280px;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px;display:flex;flex-direction:column;gap:16px;box-shadow:0 18px 44px #0000001f}.setting-row{display:flex;align-items:center;justify-content:space-between;font-size:14px}.setting-row.column{flex-direction:column;align-items:stretch;gap:8px}.setting-row input[type=range]{width:100%;accent-color:var(--accent)}.setting-help{font-size:11.5px;line-height:1.35}.toggle{width:46px;height:28px;border-radius:999px;background:#00000019;position:relative;transition:background .15s ease}.toggle.on{background:var(--accent)}.toggle .knob{position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;background:#fff;box-shadow:0 1px 2px #0003;transition:transform .15s ease}.toggle.on .knob{transform:translate(18px)}.stage{flex:1;min-height:0;display:flex;align-items:stretch;gap:8px;padding:8px;padding-bottom:max(8px,env(safe-area-inset-bottom))}.center-col{flex:1;min-width:0;display:flex;flex-direction:column;min-height:0}.score-area{position:relative;flex:1;min-height:0;overflow:auto;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius)}.score-wrap{position:relative}.score{width:100%}.score svg{display:block;background:var(--paper)}.score-cursor{position:absolute;top:0;left:0;width:2px;background:var(--accent);opacity:0;pointer-events:none;transition:opacity .15s ease;will-change:transform}.count-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;font-family:var(--serif);font-size:clamp(80px,22vh,200px);font-weight:700;color:#1a1a1a1a;pointer-events:none}.tap-hint{position:absolute;left:50%;bottom:14px;transform:translate(-50%);background:var(--accent);color:#fff;font-size:13px;padding:7px 16px;border-radius:999px;pointer-events:none;animation:pulse 1.8s ease-in-out infinite}@keyframes pulse{0%,to{opacity:.6}50%{opacity:1}}.hint-strip{text-align:center;font-size:12px;padding:5px 8px 1px}.results-strip{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 14px;margin-top:6px;background:var(--panel);border:1px solid var(--line);border-radius:12px}.results-left{display:flex;align-items:baseline;gap:10px;min-width:0}.results-score{font-family:var(--serif);font-size:28px;font-weight:700;line-height:1;font-variant-numeric:tabular-nums}.results-score.great{color:var(--green)}.results-score.ok{color:var(--amber)}.results-score.poor{color:var(--red)}.results-verdict{font-size:15px;font-weight:600}.results-detail{font-size:12.5px}.results-actions{display:flex;gap:8px;flex:none}.btn-ghost{padding:9px 14px;border-radius:999px;border:1px solid var(--line);color:var(--ink);font-size:14px}.btn-primary{padding:9px 20px;border-radius:999px;background:var(--accent);color:#fff;font-weight:600;font-size:14px}.pad{position:relative;flex:none;width:clamp(86px,17vw,150px);border-radius:16px;display:grid;place-items:center;border:1px solid transparent;touch-action:none;-webkit-user-select:none;user-select:none;transition:transform .04s ease,filter .04s ease}.pad-label{font-family:var(--serif);font-size:clamp(20px,3.4vw,34px);font-weight:600;letter-spacing:.02em;writing-mode:vertical-rl;text-orientation:mixed}.pad-key{display:none}@media (hover: hover) and (pointer: fine){.pad-key{display:grid;place-items:center;position:absolute;bottom:12px;left:50%;transform:translate(-50%);width:30px;height:30px;border-radius:8px;font-family:var(--sans);font-size:14px;font-weight:700;border:1.5px solid currentColor;opacity:.7}}.pad-lh{background:var(--lh);color:#2a2a2a;border-color:#00000012}.pad-rh{background:var(--rh);color:#f4f3ef}.pad.pad-hit{filter:brightness(.92);transform:scale(.98)}.pad-rh.pad-hit{filter:brightness(1.35)}@media (orientation: portrait){.pad-label{writing-mode:horizontal-tb}}.orientation-hint{display:none}@media (max-width: 820px) and (orientation: portrait){.app:has(.practice) .orientation-hint{display:flex}.orientation-hint{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;flex-direction:column;align-items:center;justify-content:center;gap:14px;background:var(--bg);color:var(--ink);text-align:center;padding:30px}.rotate-icon{font-size:64px;animation:spin 2.4s ease-in-out infinite}@keyframes spin{0%,to{transform:rotate(0)}50%{transform:rotate(90deg)}}}