:root{--bg: #0a0b10;--panel: rgba(255, 255, 255, .055);--panel-border: rgba(255, 255, 255, .1);--text: #f2f4f8;--text-dim: rgba(242, 244, 248, .55);--accent: #f1e9d8;--accent-ink: #181714;--panel-strong: rgba(17, 19, 27, .78);color-scheme:dark}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{background:var(--bg);color:var(--text);font-family:-apple-system,PingFang SC,Source Han Sans SC,Noto Sans SC,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden;-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;-webkit-user-select:none;user-select:none}button:disabled{cursor:default}select{font:inherit;color:inherit;background:transparent;border:none;outline:none;-webkit-appearance:none;-moz-appearance:none;appearance:none;text-align:center;cursor:pointer}select option{background:#14161f;color:#f2f4f8}input{font:inherit;color:inherit;background:#ffffff0f;border:1px solid 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scan-score{to{top:90%}}.chart-image-meta{min-height:38px;padding:8px 11px;display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--text-dim);font-size:11px}.chart-image-meta>span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chart-image-actions{display:flex;align-items:center;gap:6px;flex-shrink:0}.ocr-retry,.replace-image{min-height:36px;padding:8px 10px;border-radius:9px;color:var(--accent);font-size:12px;font-weight:700}.ocr-retry{border:1px solid rgba(241,233,216,.16);background:#f1e9d80b}.ocr-retry:disabled{color:var(--text-dim);opacity:.55}.ocr-status{display:grid;gap:6px;color:#f2f4f8b8;font-size:12px}.ocr-status:empty{display:none}.ocr-status progress{width:100%;height:3px;border:0;accent-color:var(--accent)}.ocr-review{display:grid;gap:6px;padding-top:2px}.ocr-review label{font-size:13px;font-weight:700}.ocr-review textarea{width:100%;padding:11px 12px;resize:vertical;border:1px solid rgba(241,233,216,.24);border-radius:12px;background:#10121ab8;color:var(--text);font:15px/1.55 Georgia,Songti SC,serif}.ocr-review textarea:focus{outline:none;border-color:var(--accent);box-shadow:inset 0 0 0 1px #f1e9d880}.ocr-confirm{min-height:44px;border-radius:12px;background:var(--accent);color:var(--accent-ink);font-size:13px;font-weight:800}.ocr-confirm:disabled{opacity:.38}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}.app-shell{max-width:480px;margin:0 auto;padding:calc(14px + env(safe-area-inset-top)) 16px calc(32px + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:14px}.app-header{position:sticky;z-index:60;top:env(safe-area-inset-top,0px);min-height:48px;margin:0 -8px;padding:4px 8px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid transparent;border-radius:14px;transition:min-height .22s 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.app-brand-en{display:none}.app-header-action{min-height:40px;padding:8px 14px;border-radius:999px;font-size:14px;white-space:nowrap;transition:min-height .22s ease,padding .22s ease,background-color .22s ease}.app-header[data-compact=true] .app-header-action{min-height:36px;padding:6px 11px;background:#ffffff0e;font-size:13px}.header-action-short,.app-header[data-compact=true] .header-action-long{display:none}.app-header[data-compact=true] .header-action-short{display:inline}.key-selector{display:flex;flex-direction:column;align-items:center;gap:10px}.voice-controls{display:flex;align-items:center;gap:8px;font-size:14px}.voice-controls button{min-height:44px;padding:0 12px;color:#f2f4f8db;border-radius:12px;background:#ffffff0e;border:1px solid rgba(255,255,255,.1)}.voice-controls button:hover{border-color:#f1e9d86b}.voice-controls span{color:#f2f4f894;font-size:12px}.mode-selector{display:inline-flex;align-items:center;gap:3px;padding:3px;border:1px solid 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div{display:grid;gap:4px}.capo-recommendation .recommendation-label{color:var(--accent);font-size:12px;font-weight:700;letter-spacing:.08em}.capo-recommendation strong{font-size:16px;line-height:1.45}.capo-recommendation small{color:#f2f4f8ad;font-size:13px}.direct-shape-label{width:100%;text-align:center;font-size:13px;color:#f2f4f8ad}.icon-touch,.pager-touch{min-width:44px;min-height:44px;display:grid;place-items:center}.detail-link{min-height:40px;margin-top:4px;color:var(--accent);font-size:14px;font-weight:700;text-align:left}.chord-panel{display:flex;align-items:center;gap:16px}.chord-panel-symbol{flex:0 1 auto;min-width:72px;font-size:56px;white-space:nowrap}.chord-panel-symbol[data-density=compact]{font-size:38px}.chord-panel-symbol[data-density=dense]{font-size:24px;letter-spacing:-.02em}.chord-nav{display:grid;grid-template-columns:minmax(88px,1fr) auto minmax(88px,1fr);align-items:center;gap:8px;margin-top:10px}.chord-nav button{min-height:38px;padding:0 10px;border:1px 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ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.08em}.score-chord{--emotion: 45;position:relative;width:auto;min-width:82px;flex:0 0 auto;min-height:82px;padding:16px 10px 8px;display:grid;place-items:center;align-content:center;gap:5px;border-bottom:2px solid hsl(var(--emotion) 62% 58% / .34);border-radius:0;color:#f2f4f8c7}.score-chord:hover{background:#ffffff09;color:#fff}.score-chord[aria-current=true]{color:#fff;background:linear-gradient(to bottom,transparent,hsl(var(--emotion) 55% 48% / .11));border-bottom-color:hsl(var(--emotion) 78% 65% / .9)}.score-playhead{position:absolute;z-index:1;top:-4px;bottom:6px;left:50%;width:1px;background:var(--accent);box-shadow:0 0 8px #f1e9d861;pointer-events:none}.score-playhead:before{content:"";position:absolute;top:0;left:-3px;width:7px;height:7px;background:var(--accent);clip-path:polygon(0 0,100% 0,50% 100%)}.score-symbol{max-width:100%;font-family:Georgia,Songti 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0;display:flex;align-items:center;pointer-events:none}.detail-back{min-height:40px;padding:8px 14px;border-radius:999px;background:#10121ad1;color:#f2f4f8e0;font-size:14px;font-weight:700;pointer-events:auto}.detail-bar{width:min(440px,calc(100% - 32px))}.detail-symbol{max-width:100%;font-size:76px;overflow-wrap:anywhere}.detail-symbol[data-density=compact]{font-size:54px}.detail-symbol[data-density=dense]{font-size:34px;letter-spacing:-.025em}@media (min-width: 960px){.app-shell{max-width:860px;padding-left:24px;padding-right:24px}.desktop-grid{gap:20px}.stage{background:var(--panel);border:1px solid var(--panel-border);border-radius:28px;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);padding:20px 26px 26px;gap:16px;box-shadow:0 24px 60px #00000073;transition:box-shadow .6s}.detail-shell{max-width:640px}.detail-bar{width:min(600px,calc(100% - 48px))}}@media (max-width: 479px){.app-shell{gap:10px;padding-left:12px;padding-right:12px}.desktop-grid,.desktop-col,.stage{gap:10px}.voice-controls{width:100%;justify-content:center}.mode-selector{margin-top:-2px}.app-header{margin-inline:-4px;padding-inline:4px}.chord-panel{display:grid;grid-template-columns:minmax(0,1fr) 64px;gap:10px 14px;padding:16px 18px!important}.chord-panel-symbol{min-width:0}.chord-panel-play{grid-column:2;grid-row:1}.chord-panel-info{grid-column:1 / -1;grid-row:2}}