:root{color:#f3f3f3;font-synthesis:none;text-rendering:optimizelegibility;background:#111;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans JP,sans-serif}*{box-sizing:border-box}html,body,#app{min-width:320px;min-height:100%;margin:0}body{background:#111;min-height:100dvh}button,input{font:inherit}button{color:inherit}.app-shell{width:min(1280px,100%);min-height:100dvh;padding:max(14px, env(safe-area-inset-top)) max(14px, env(safe-area-inset-right)) max(14px, env(safe-area-inset-bottom)) max(14px, env(safe-area-inset-left));grid-template-rows:auto auto auto minmax(320px,1fr) auto auto auto auto;gap:14px;margin:0 auto;display:grid}.topbar{justify-content:space-between;align-items:center;gap:12px;display:flex}.brand{letter-spacing:.12em;font-weight:800}.subtle,.settings-note{color:#777;font-size:12px}.file-button,button{cursor:pointer;background:#1a1a1a;border:1px solid #3b3b3b;border-radius:9px}.file-button{align-items:center;min-height:42px;padding:0 14px;display:inline-flex}.file-button input{display:none}.settings-panel,.timing-panel,.debug-panel{background:#141414;border:1px solid #292929;border-radius:10px}.settings-panel>summary,.timing-panel>summary{cursor:pointer;color:#d2d2d2;-webkit-user-select:none;user-select:none;padding:10px 12px}.settings-grid{grid-template-columns:repeat(auto-fit,minmax(145px,1fr));gap:10px;padding:2px 12px 10px;display:grid}.settings-grid label{color:#aaa;gap:4px;font-size:12px;display:grid}.field-with-unit{color:#888;align-items:center;gap:5px;display:flex}.field-with-unit input,.debug-controls input{color:#f3f3f3;background:#101010;border:1px solid #333;border-radius:8px;width:100%;min-width:0;height:38px;padding:0 9px}.checkbox-label{grid-template-columns:auto 1fr;align-content:end;align-items:center;padding-bottom:8px}.checkbox-label input{width:18px;height:18px}.settings-note{margin:0;padding:0 12px 12px}.reader-stage{--reader-font-size:48px;--text-start:12%;--focus-offset:2.5em;--guide-length:18px;--guide-gap:12px;--guide-thickness:2px;width:100%;min-height:320px;font-size:var(--reader-font-size);position:relative;overflow:hidden}.chunk{left:var(--text-start);width:calc(100% - var(--text-start) - 2%);color:#f2f2f2;min-width:0;font-size:inherit;text-align:left;white-space:nowrap;font-variant-numeric:tabular-nums;line-height:1.2;position:absolute;top:50%;overflow:visible;transform:translateY(-50%)}.guide-layer{pointer-events:none;z-index:2;position:absolute;inset:0}.guide-layer.guide-hidden{display:none}.focus-guide{left:calc(var(--text-start) + var(--focus-offset));width:var(--guide-thickness);height:var(--guide-length);opacity:.85;background:#9a9a9a;border-radius:999px;position:absolute;transform:translate(-50%)}.focus-guide-top{bottom:calc(50% + (var(--reader-font-size) * .66) + var(--guide-gap))}.focus-guide-bottom{top:calc(50% + (var(--reader-font-size) * .66) + var(--guide-gap))}.transport{grid-template-columns:repeat(3,minmax(72px,110px));justify-content:center;gap:10px;display:grid}.transport button{min-height:48px;font-size:22px}.transport .primary{background:#242424}.reader-status{gap:7px;display:grid}.progress-seek{--progress-percent:0%;appearance:none;cursor:pointer;background:0 0;width:100%;height:14px;margin:0;padding:0}.progress-seek::-webkit-slider-runnable-track{background:linear-gradient(to right, #8d8d8d 0 var(--progress-percent), #242424 var(--progress-percent) 100%);border-radius:999px;height:4px}.progress-seek::-webkit-slider-thumb{appearance:none;background:#d4d4d4;border:1px solid #aaa;border-radius:50%;width:14px;height:14px;margin-top:-5px}.progress-seek::-moz-range-track{background:#242424;border-radius:999px;height:4px}.progress-seek::-moz-range-progress{background:#8d8d8d;border-radius:999px;height:4px}.progress-seek::-moz-range-thumb{background:#d4d4d4;border:1px solid #aaa;border-radius:50%;width:14px;height:14px}.statusbar{color:#7f7f7f;flex-wrap:wrap;align-items:center;gap:8px 16px;min-width:0;font-size:12px;display:flex}#fileName{text-overflow:ellipsis;white-space:nowrap;min-width:120px;margin-right:auto;overflow:hidden}.statusbar [hidden],.progress-seek[hidden]{display:none!important}.text-navigator{background:#141414;border:1px solid #292929;border-radius:10px;overflow:hidden}.text-navigator>summary{cursor:pointer;color:#d2d2d2;-webkit-user-select:none;user-select:none;padding:10px 12px}.navigator-toolbar{color:#858585;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;padding:0 12px 10px;font-size:12px;display:flex}.navigator-toolbar button{min-height:32px;padding:0 10px;font-size:12px}.text-navigator-body{overscroll-behavior:contain;border-top:1px solid #242424;max-height:min(46vh,560px);overflow:auto}.navigator-paragraph{color:#b8b8b8;cursor:pointer;border-bottom:1px solid #1e1e1e;grid-template-columns:5.5em minmax(0,1fr);gap:10px;padding:7px 12px;line-height:1.55;display:grid}.navigator-paragraph:hover{background:#191919}.navigator-paragraph.is-current{color:#eee;background:#202020;box-shadow:inset 3px 0 #888}.navigator-paragraph-number{color:#666;text-align:right;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.navigator-paragraph-text{white-space:pre-wrap;overflow-wrap:anywhere;min-width:0}.debug-panel{color:#999;font-size:12px;overflow:hidden}.debug-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;padding:10px 12px;display:flex}.debug-header>strong{color:#d0d0d0;font-size:13px}.debug-controls{flex-wrap:wrap;align-items:end;gap:8px;display:flex}.debug-controls label{gap:3px;width:110px;display:grid}.debug-controls input{height:32px}.debug-controls button{min-height:32px;padding:0 10px;font-size:12px}.debug-current,.debug-summary{border-top:1px solid #242424;padding:7px 12px}.debug-current{color:#d0d0d0}.debug-paragraphs{border-top:1px solid #242424;max-height:520px;overflow:auto}.debug-paragraph-block{border-bottom:1px solid #222;padding:10px 12px 12px}.debug-paragraph-block.is-current{background:#1a1a1a;box-shadow:inset 3px 0 #777}.debug-paragraph-block h3{color:#aaa;margin:0 0 7px;font-size:12px;font-weight:700}.debug-paragraph-block.is-current h3{color:#e0e0e0}.debug-row{grid-template-columns:112px minmax(0,1fr);gap:10px;padding:5px 0;display:grid}.debug-row strong{color:#777;font-weight:600}.debug-row code{white-space:pre-wrap;overflow-wrap:anywhere;color:#c8c8c8;min-width:0;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;line-height:1.55;display:block}@media (width<=680px){.app-shell{grid-template-rows:auto auto auto minmax(260px,1fr) auto auto auto auto;gap:9px}.settings-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.reader-stage{min-height:260px}.debug-row{grid-template-columns:1fr;gap:2px}}@media (height<=560px) and (orientation:landscape){.settings-panel,.timing-panel,.reader-status,.text-navigator,.debug-panel,.subtle{display:none}.app-shell{grid-template-rows:auto 1fr auto;gap:6px}.reader-stage{min-height:120px}}