.rd-msg{padding:18px;border-radius:14px;background:var(--soft);margin:12px 0}.rd-msg.err{color:var(--err)}
.rd-lib h2{margin:26px 0 12px;font-size:20px}
.rd-drop{display:flex;flex-direction:column;align-items:center;gap:6px;padding:34px 18px;border:2px dashed var(--line);border-radius:20px;background:var(--soft);cursor:pointer;text-align:center;transition:border-color .15s,background .15s}
.rd-drop b{font-size:18px;color:var(--brand)}.rd-drop span{color:var(--muted);font-size:14px}
.rd-drop:hover,.rd-drop.on{border-color:var(--brand)}
.rd-shelf{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:18px}
.rd-cover{display:flex;align-items:flex-end;width:100%;aspect-ratio:3/4;padding:14px 12px;border:0;border-radius:6px 14px 14px 6px;background:linear-gradient(135deg,#3b3bf0,#7a4bff);color:#fff;text-align:left;cursor:pointer;box-shadow:inset 7px 0 0 rgba(0,0,0,.18),0 12px 22px -12px rgba(30,30,120,.6);transition:transform .15s}
.rd-cover:hover{transform:translateY(-3px) rotate(-.6deg)}
.rd-t{font-weight:700;font-size:15px;line-height:1.25;overflow:hidden;display:-webkit-box;-webkit-line-clamp:5;-webkit-box-orient:vertical;word-break:break-word}
.rd-bi{margin-top:8px;font-size:13px;color:var(--muted)}.rd-bar{height:5px;border-radius:5px;background:var(--line);margin:6px 0 4px;overflow:hidden}.rd-bar i{display:block;height:100%;background:var(--ok)}
.rd-x{background:none;border:0;color:var(--muted);font-size:12px;padding:2px 0;cursor:pointer;text-decoration:underline}
.rd-empty{color:var(--muted)}.rd-note{margin-top:22px;font-size:13px;color:var(--muted)}

body.rd-open .tp .lead,body.rd-open .tp .meter{display:none}
.rd{--pg:#fff;--cf:none;--hb:multiply;--ho:.5}
.rd[data-th="1"]{--pg:#f4ecd8;--cf:sepia(.45) brightness(.98);--hb:multiply}
.rd[data-th="2"]{--pg:#1b1b22;--cf:invert(.9) hue-rotate(180deg);--hb:normal;--ho:.38}
.rd-bar1{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:space-between;margin-bottom:8px}
.rd-nav,.rd-tools{display:flex;align-items:center;gap:6px}
.rd-b{position:relative;display:inline-flex;align-items:center;gap:6px;min-width:40px;height:40px;padding:0 10px;justify-content:center;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--ink);font:inherit;font-size:14px;cursor:pointer}
.rd-b svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.rd-b:disabled{opacity:.4;cursor:default}.rd-b[aria-pressed="true"]{background:var(--brand);color:var(--brand-ink);border-color:var(--brand)}
.rd-b em{position:absolute;top:-6px;right:-6px;min-width:18px;height:18px;border-radius:9px;background:var(--err);color:#fff;font-size:11px;font-style:normal;line-height:18px;text-align:center;padding:0 4px}
.rd-pn{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:14px}
.rd-pn input{width:62px;height:40px;text-align:center;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--ink);font:inherit;font-size:15px}
.rd-pens{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:10px}
.rd-pen{width:30px;height:30px;border-radius:50%;border:2px solid var(--line);background:var(--c);cursor:pointer;padding:0}
.rd-pen[aria-pressed="true"]{border-color:var(--ink);box-shadow:0 0 0 3px var(--brand)}
.rd-hint{font-size:13px;color:var(--muted);flex:1;min-width:180px}.rd-saved{font-size:12px;color:var(--ok);min-width:150px;text-align:right}
.rd-main{display:flex;gap:12px;align-items:stretch}
.rd-stage{flex:1;min-width:0;height:min(78vh,1100px);overflow:auto;border-radius:18px;background:var(--soft);padding:20px 8px;outline:none;-webkit-overflow-scrolling:touch}
.rd-book-view{display:flex;justify-content:center;width:max-content;min-width:100%;margin:0 auto;gap:0}
.rd-book-view.fwd{animation:rdF .28s ease}.rd-book-view.bck{animation:rdB .28s ease}
@keyframes rdF{from{opacity:.2;transform:translateX(24px)}to{opacity:1;transform:none}}
@keyframes rdB{from{opacity:.2;transform:translateX(-24px)}to{opacity:1;transform:none}}
.rd-page{position:relative;flex:none;background:var(--pg);box-shadow:0 2px 4px rgba(0,0,0,.15),0 16px 34px -14px rgba(0,0,0,.45);overflow:hidden;line-height:1}
.rd-book-view.two .rd-page:first-child{border-radius:4px 0 0 4px}.rd-book-view.two .rd-page:last-child{border-radius:0 4px 4px 0}
.rd-book-view.two .rd-page:first-child::after{content:"";position:absolute;right:0;top:0;bottom:0;width:26px;background:linear-gradient(90deg,transparent,rgba(0,0,0,.14));pointer-events:none;z-index:3}
.rd-book-view.two .rd-page:last-child::before{content:"";position:absolute;left:0;top:0;bottom:0;width:26px;background:linear-gradient(270deg,transparent,rgba(0,0,0,.14));pointer-events:none;z-index:3}
.rd-page canvas{display:block;filter:var(--cf)}
.rd-hl{position:absolute;inset:0;pointer-events:none;mix-blend-mode:var(--hb)}
.rd-hl i{position:absolute;opacity:var(--ho);border-radius:2px}
.rd-hl u{position:absolute;width:12px;height:12px;border-radius:50% 50% 50% 0;background:var(--brand);transform:translate(2px,-5px);border:2px solid #fff;box-sizing:border-box}
.rd[data-th="2"] .rd-hl{mix-blend-mode:normal}
.textLayer{position:absolute;inset:0;overflow:hidden;opacity:1;line-height:1;text-align:initial;-webkit-text-size-adjust:none;forced-color-adjust:none;z-index:2}
.textLayer span,.textLayer br{color:transparent;position:absolute;white-space:pre;cursor:text;transform-origin:0 0}
.textLayer ::selection{background:rgba(59,99,240,.35)}

.rd-panel{width:320px;flex:none;height:min(78vh,1100px);overflow:auto;border:1px solid var(--line);border-radius:18px;background:var(--surface);padding:12px}
.rd-panel[hidden]{display:none}
.rd-ph{display:flex;justify-content:space-between;align-items:center}.rd-ph h3{margin:0;font-size:17px}
.rd-pb{display:flex;flex-direction:column;gap:6px;margin:10px 0}
.rd-add{padding:9px 10px;border:1px dashed var(--line);border-radius:10px;background:none;color:var(--brand);font:inherit;font-size:14px;cursor:pointer;text-align:left}
.rd-n{position:relative;border:1px solid var(--line);border-radius:12px;padding:8px 10px;margin-bottom:8px}
.rd-g{display:inline-flex;align-items:center;gap:6px;background:none;border:0;color:var(--muted);font:inherit;font-size:13px;cursor:pointer;padding:0}
.rd-g i{width:12px;height:12px;border-radius:50%;display:inline-block}
.rd-del{position:absolute;right:6px;top:2px;background:none;border:0;font-size:20px;color:var(--muted);cursor:pointer}
.rd-n blockquote{margin:6px 0;padding-left:8px;border-left:3px solid var(--line);font-size:13px;color:var(--ink);max-height:90px;overflow:auto}
.rd-n textarea,.rd-pop textarea{width:100%;box-sizing:border-box;resize:vertical;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);font:inherit;font-size:14px;padding:6px 8px}

.rd-pop{position:fixed;z-index:60;width:244px;padding:10px;border-radius:14px;background:var(--surface);color:var(--ink);border:1px solid var(--line);box-shadow:0 18px 40px -12px rgba(0,0,0,.5)}
.rd-pc{display:flex;gap:8px;justify-content:space-between;margin-bottom:8px}
.rd-pc button{width:34px;height:34px;border-radius:50%;border:2px solid var(--line);background:var(--c);cursor:pointer;padding:0}.rd-pc button.on{border-color:var(--ink)}
.rd-pa{display:flex;gap:6px;margin-top:8px}.rd-pa button{flex:1;padding:8px;border:1px solid var(--line);border-radius:10px;background:var(--soft);color:var(--ink);font:inherit;font-size:14px;cursor:pointer}.rd-pa button.warn{color:var(--err)}

@media(max-width:900px){.rd-sp{display:none}.rd-hide{display:none}.rd-panel{position:fixed;z-index:50;left:8px;right:8px;bottom:8px;top:auto;width:auto;height:58vh;box-shadow:0 -10px 40px rgba(0,0,0,.4)}}
@media(max-width:560px){.rd-saved{display:none}.rd-stage{padding:12px 0;border-radius:12px}.rd-b{min-width:36px;height:38px;padding:0 8px}.rd-pn input{width:52px}}
@media print{.rd-pop,.rd-panel{display:none}}