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.icon-btn:active{background:var(--hud-press)}.rd-bottom__row{display:flex;align-items:baseline;justify-content:space-between;gap:10px}.rd-bottom__chapter{font-size:12.5px;font-weight:500;color:var(--hud-fg);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.rd-bottom__pages{font-family:var(--font-mono);font-size:11px;letter-spacing:.04em;color:var(--hud-muted);white-space:nowrap;font-variant-numeric:tabular-nums}.rd-bottom__ctrl{display:flex;align-items:center;gap:10px;margin-top:8px}.scrub-wrap{position:relative;flex:1;min-width:0;display:flex;align-items:center}.scrub{-webkit-appearance:none;-moz-appearance:none;appearance:none;flex:1;min-width:0;height:44px;background:transparent;position:relative;z-index:1}.scrub::-webkit-slider-runnable-track{height:2px;border-radius:0;background:var(--hud-line)}.scrub::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:3px;height:16px;margin-top:-7px;border:0;border-radius:0;background:var(--acc)}.scrub::-moz-range-track{height:2px;border-radius:0;background:var(--hud-line)}.scrub::-moz-range-thumb{width:3px;height:16px;border:0;border-radius:0;background:var(--acc)}.scrub-ticks{position:absolute;left:0;right:0;top:50%;height:0;pointer-events:none;z-index:0}.scrub-ticks .tick{position:absolute;top:-3px;width:1px;height:6px;background:var(--hud-line)}.sync-btn{flex:none;width:44px;height:44px;display:grid;place-items:center;border-radius:4px;color:var(--hud-muted);font-size:14px}.sync-btn.ok{color:var(--acc)}.sync-btn.failed{color:var(--danger)}.sync-btn:active{background:var(--hud-press)}.return-chip{position:absolute;left:50%;transform:translate(-50%) translateY(8px);z-index:7;bottom:24px;min-height:44px;padding:0 18px;border-radius:4px;background:var(--hud-bg);border:1px solid var(--hud-line);color:var(--acc);font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.06em;font-size:12.5px;opacity:0;pointer-events:none;visibility:hidden;transition:opacity var(--t-mid) var(--ease),transform var(--t-mid) var(--ease),bottom var(--t-slow) var(--ease),visibility 0s linear var(--t-mid)}.return-chip.is-on{opacity:1;transform:translate(-50%) translateY(0);pointer-events:auto;visibility:visible;transition-delay:0s}.reader.panels .return-chip{bottom:168px}.set-sheet{max-height:62%}.set-row{display:flex;align-items:center;gap:12px;padding:6px 16px;min-height:50px}.set-row--stack{flex-direction:column;align-items:stretch;gap:8px;padding-top:8px}.set-row__label{flex:none;width:78px;font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.1em;font-size:10.5px;color:var(--ui-muted)}.set-row--stack .set-row__label{width:auto}.chips{display:flex;gap:6px}.chip,.segb{flex:1;min-width:0;min-height:38px;padding:0 8px;border-radius:4px;background:transparent;border:1px solid var(--ui-line-2);color:var(--ui-muted);font-size:12.5px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:color var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease)}.chip[aria-pressed=true],.segb[aria-pressed=true]{border-color:var(--acc);color:var(--acc-ink);background:transparent;box-shadow:inset 0 0 0 1px var(--acc)}.segset{display:flex;flex:1;gap:6px;justify-content:flex-end}.stepper{display:flex;align-items:center;gap:6px;flex:1;justify-content:flex-end}.stepper button{width:52px;min-height:38px;border-radius:4px;background:transparent;border:1px solid var(--ui-line-2);color:var(--ui-fg);font-size:13px;font-weight:600}.stepper button:active{background:var(--ui-press)}.stepper__val{min-width:34px;text-align:center;font-family:var(--font-mono);font-size:13px;color:var(--ui-fg);font-variant-numeric:tabular-nums}.toc-sheet{height:86%}.toc-item{position:relative;display:flex;align-items:center;gap:12px;width:100%;min-height:54px;padding:8px 16px;text-align:left;color:var(--ui-fg);transition:background var(--t-fast) var(--ease)}.toc-item:active{background:var(--ui-press)}.toc-item__num{flex:none;width:22px;font-family:var(--font-mono);font-size:12px;color:var(--ui-muted);font-variant-numeric:tabular-nums}.toc-item__name{flex:1;min-width:0;font-size:14px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.toc-item__pct{flex:none;font-family:var(--font-mono);font-size:11.5px;color:var(--ui-muted);font-variant-numeric:tabular-nums}.toc-item[aria-current=true],.toc-item[aria-current=true] .toc-item__num,.toc-item[aria-current=true] .toc-item__pct{color:var(--acc-ink)}.toc-item[aria-current=true]:before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:2px;background:var(--acc)}.fn-card{padding:4px 16px 20px}.fn-card__num{font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.1em;font-size:10.5px;color:var(--acc-ink);margin-bottom:8px}.fn-card__text{font-family:var(--font-serif);font-size:15px;line-height:1.55;color:var(--ui-fg);user-select:text;-webkit-user-select:text}.fn-card__text p{margin:0 0 .6em}.fn-card__text p:last-child{margin-bottom:0}@media (min-width: 700px){.rd-top,.rd-bottom{left:50%;right:auto;width:100%;max-width:var(--shell-w);transform:translate(-50%) translateY(-100%)}.rd-bottom{transform:translate(-50%) translateY(100%)}.reader.panels .rd-top,.reader.panels .rd-bottom{transform:translate(-50%) translateY(0)}.rd-top,.rd-bottom{border-left:1px solid var(--hud-line);border-right:1px solid var(--hud-line)}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.001ms;animation-iteration-count:1;transition-duration:.001ms}.skel:after{animation:none}}