/* 阅读 App · 共读 (一起阅读 6a): the 共读 tab, 共读详情, the member window, 共读设置, the invitation dialog (js/apps/reading-together.js). Same rules as reading-app.css: every class is rt- under .rd-root,
   the colours are the App's own variables. The one exception is .rt-invite-card, the card in a chat (it lives outside .rd-root), which uses the chat's variables. */
.rd-root .rt-av{width:26px;height:26px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;color:#fff;flex-shrink:0}
.rd-root .rt-av.rt-sm{width:18px;height:18px;font-size:9.5px}
.rd-root .rt-av.rt-lg{width:44px;height:44px;font-size:17px}
.rd-root .rt-av.rt-plus{background:color-mix(in srgb,var(--ink2) 10%,transparent);color:var(--ink2);font-weight:400}
.rd-root .rt-avs{display:inline-flex;align-items:center}
.rd-root .rt-avs .rt-av+.rt-av{margin-left:-5px;box-shadow:0 0 0 1.5px var(--sf2)}
.rd-root .rt-avs small{font-size:10.5px;color:var(--ink2);margin-left:4px}
/* the tab */
.rd-root .rt-feed{display:flex;gap:12px;padding:13px 0;border-bottom:.5px solid var(--line);font-size:13.5px;line-height:1.6;cursor:pointer}
.rd-root .rt-feed:last-child{border-bottom:0}
.rd-root .rt-feed small{display:block;font-size:11.5px;color:var(--ink2);margin-top:2px}
.rd-root .rt-feed small.rt-q{color:var(--ink);opacity:.8;padding-left:9px;border-left:2px solid var(--acc);margin:4px 0}
.rd-root .rt-row{display:flex;gap:14px;align-items:center;padding:14px 0;border-bottom:.5px solid var(--line);cursor:pointer}
.rd-root .rt-row:last-child{border-bottom:0}
.rd-root .rt-row .rd-cover{width:50px;height:70px;flex-shrink:0}
.rd-root .rt-bd{flex:1;min-width:0}
.rd-root .rt-bd>b{font-weight:500;font-size:15px}
.rd-root .rt-who{display:flex;align-items:center;gap:6px;font-size:11.5px;color:var(--ink2);margin-top:5px}
.rd-root .rt-bar{height:3px;border-radius:2px;background:color-mix(in srgb,var(--ink2) 16%,transparent);margin-top:8px;position:relative}
.rd-root .rt-bar i{position:absolute;top:-2px;width:7px;height:7px;border-radius:50%}
/* the invitation */
.rd-root .rd-pick.rt-dis{opacity:.5;pointer-events:none}
.rd-root .rt-sum{margin-top:12px;font-size:12.5px;color:var(--ink);line-height:1.6}
.rd-root .rt-sum b{font-weight:600}
.rd-root .rt-sum small{display:block;font-size:11px;color:var(--ink2)}
/* 共读详情 */
.rd-root .rt-hero{position:relative;margin:calc(-1 * (var(--sat) + 64px)) -20px 0;padding:calc(var(--sat) + 78px) 22px 22px;border-radius:0 0 30px 30px;overflow:hidden;background:linear-gradient(170deg,color-mix(in srgb,var(--acc) 6%,var(--bg1)) 0%,var(--bg1) 92%)}
.rd-root .rt-glow{position:absolute;right:-70px;top:-50px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,color-mix(in srgb,var(--acc) 28%,transparent),transparent 70%)}
.rd-root .rt-top{position:relative;display:flex;gap:16px;align-items:flex-end}
.rd-root .rt-cv{position:relative}
.rd-root .rt-cv .rd-cover{width:96px;height:138px}
.rd-root .rt-ribbons{position:absolute;top:0;right:8px;display:flex;gap:4px;z-index:2}
.rd-root .rt-ribbons i{display:block;width:7px;height:34px;clip-path:polygon(0 0,100% 0,100% 100%,50% calc(100% - 6px),0 100%)}
.rd-root .rt-ti{flex:1;min-width:0}
.rd-root .rt-k{font-size:12px;color:var(--ink2);letter-spacing:.12em}
.rd-root .rt-ti h1{font-size:28px;font-weight:700;margin:4px 0 6px;letter-spacing:.06em;line-height:1.2;overflow-wrap:anywhere}
.rd-root .rt-k2{font-size:12px;color:var(--ink2)}
.rd-root .rt-me{margin-top:12px;font-size:11.5px;color:var(--ink2)}
.rd-root .rt-pb{height:4px;border-radius:2px;background:color-mix(in srgb,var(--ink2) 16%,transparent);margin-top:6px}
.rd-root .rt-pb i{display:block;height:100%;border-radius:2px;background:var(--acc)}
.rd-root .rt-fin{display:grid;grid-template-columns:repeat(4,1fr);gap:4px;padding:16px 0;margin:18px 0 4px;border-top:.5px solid var(--line);border-bottom:.5px solid var(--line);text-align:center}
.rd-root .rt-fin b{display:block;font-size:19px;font-weight:600}
.rd-root .rt-fin b small{font-size:10.5px;font-weight:400;margin:0 1px}
.rd-root .rt-fin span{font-size:10.5px;color:var(--ink2)}
.rd-root .rt-ppl{padding:4px 14px}
.rd-root .rt-p{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:.5px solid var(--line);cursor:pointer}
.rd-root .rt-p:last-child{border-bottom:0}
.rd-root .rt-pm{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}
.rd-root .rt-pm b{font-weight:500;font-size:14.5px}
.rd-root .rt-pm small{font-size:11px;color:var(--ink2)}
.rd-root .rt-pm small.rt-warn{color:#C0392B}
.rd-root .rt-dm{width:36px;height:36px;border-radius:50%;border:0;background:color-mix(in srgb,var(--ink2) 9%,transparent);color:var(--ink);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.rd-root .rt-dm svg{width:17px;height:17px}
.rd-root .rt-tl{position:relative;margin:0 4px;padding-left:22px}
.rd-root .rt-tl::before{content:'';position:absolute;left:6px;top:10px;bottom:10px;width:2px;background:color-mix(in srgb,var(--ink2) 20%,transparent);border-radius:1px}
.rd-root .rt-n{position:relative;display:flex;align-items:center;gap:10px;padding:11px 0}
.rd-root .rt-nd{position:absolute;left:-21px;width:12px;height:12px;border-radius:50%;background:var(--bg1);border:2px solid color-mix(in srgb,var(--ink2) 40%,transparent)}
.rd-root .rt-n.done .rt-nd{background:var(--ink2);border-color:var(--ink2)}
.rd-root .rt-n.cur .rt-nd{background:var(--acc);border-color:var(--acc);box-shadow:0 0 0 5px color-mix(in srgb,var(--acc) 18%,transparent)}
.rd-root .rt-b{flex:1;font-size:14.5px;min-width:0}
.rd-root .rt-nn{font-size:11.5px;color:var(--ink2);margin-right:10px}
.rd-root .rt-b small{display:block;font-size:11px;color:var(--ink2);margin-top:2px}
.rd-root .rt-n.done .rt-b{color:var(--ink2)}
.rd-root .rt-n.cur .rt-b{font-weight:600;color:var(--accd)}
.rd-root .rt-qs{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;margin:0 -20px;padding:2px 20px 10px}
.rd-root .rt-qs::-webkit-scrollbar{display:none}
.rd-root .rt-qc{flex:0 0 250px;scroll-snap-align:start;border-radius:20px;padding:16px;box-shadow:var(--shadow);cursor:pointer}
.rd-root .rt-qm{font-size:34px;line-height:.6;color:var(--acc);font-weight:700}
.rd-root .rt-qc p{margin:6px 0 12px;font-size:14.5px;line-height:1.8}
.rd-root .rt-foot{text-align:center;font-size:11.5px;color:var(--ink2);margin:22px 0 0}
.rd-root .rt-foot .rt-prom{cursor:pointer;color:var(--accd)}
.rd-root .rt-gear{position:absolute;top:calc(var(--sat) + 10px);right:16px;z-index:25}
.rd-root .rt-go{position:absolute;left:20px;right:20px;bottom:calc(var(--sab) + 20px);z-index:20}
.rd-root .rt-go .rd-btn{box-shadow:0 12px 26px -10px color-mix(in srgb,var(--acc) 70%,transparent)}
/* the member window */
.rd-root .rt-mh{display:flex;gap:14px;align-items:center;margin-bottom:14px}
.rd-root .rt-mh h3{margin:0}
.rd-root .rt-ms{display:grid;grid-template-columns:repeat(3,1fr);text-align:center;padding:12px 0;margin-bottom:8px;border-top:.5px solid var(--line);border-bottom:.5px solid var(--line);font-size:11px;color:var(--ink2)}
.rd-root .rt-ms b{display:block;font-size:20px;color:var(--ink);font-weight:600}
.rd-root .rt-ms b small{font-size:11px;font-weight:400}
.rd-root .rt-mrow{display:flex;align-items:center;justify-content:space-between;font-size:13.5px;padding:8px 0}
.rd-root .rt-seg{display:inline-flex;padding:3px;border-radius:12px;background:color-mix(in srgb,var(--ink2) 10%,transparent)}
.rd-root .rt-seg button{border:0;background:transparent;font:inherit;font-size:12px;color:var(--ink2);padding:5px 12px;border-radius:9px;white-space:nowrap}
.rd-root .rt-seg button.rt-on{background:var(--sf2);color:var(--ink);box-shadow:0 2px 6px -3px rgba(0,0,0,.25)}
.rd-root .rt-rc{font-size:13px;padding:8px 0;border-bottom:.5px solid var(--line)}
.rd-root .rt-rc:last-child{border-bottom:0}
.rd-root .rt-rc small{margin-left:8px;font-size:11px;color:var(--ink2)}
.rd-root .rt-rc p{margin:3px 0 0;font-size:12.5px;line-height:1.6;color:var(--ink2)}
.rd-root .rt-failbox{margin-top:14px;padding:12px 14px;border-radius:14px;background:color-mix(in srgb,#C0392B 10%,transparent);font-size:12.5px;line-height:1.6}
.rd-root .rt-failbox b{display:block;color:#C0392B;font-weight:600}
.rd-root .rt-failbox p{margin:3px 0 8px}
/* 共读设置 */
.rd-root .rt-set-p{display:flex;gap:12px;padding:14px 14px;border-bottom:.5px solid var(--line)}
.rd-root .rt-sp{flex:1;min-width:0}
.rd-root .rt-sp>b{font-weight:500;font-size:14.5px}
.rd-root .rt-sp>small{display:block;font-size:11.5px;color:var(--ink2);margin-top:2px}
.rd-root .rt-ctl{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:10px}
.rd-root .rt-pace{font-size:12px;color:var(--ink2);display:inline-flex;align-items:center;gap:4px}
.rd-root .rt-pacego{border:0;background:transparent;color:var(--accd);font:inherit;font-size:12px;padding:6px 4px;text-decoration:underline}
.rd-root .rt-rm{margin-left:auto;border:0;background:transparent;color:#C0392B;font:inherit;font-size:12.5px;padding:6px 4px}
.rd-root .rt-est{margin:14px 0 6px;padding:14px 16px;border-radius:18px;display:flex;flex-wrap:wrap;align-items:baseline;gap:8px;font-size:13px}
.rd-root .rt-est b{font-size:19px;font-weight:600}
.rd-root .rt-est small{flex-basis:100%;font-size:11px;color:var(--ink2)}
.rd-root .rt-tg{width:46px;height:28px;border-radius:14px;border:0;background:color-mix(in srgb,var(--ink2) 28%,transparent);position:relative;transition:background var(--mo-base,.2s)}
.rd-root .rt-tg::after{content:'';position:absolute;left:3px;top:3px;width:22px;height:22px;border-radius:50%;background:#fff;transition:transform var(--mo-base,.2s)}
.rd-root .rt-tg.rt-on{background:var(--acc)}
.rd-root .rt-tg.rt-on::after{transform:translateX(18px)}
/* the card in a chat */
.rt-invite-card{display:flex;flex-direction:column;gap:3px;min-width:190px;max-width:260px;padding:12px 14px;border-radius:16px;background:var(--surface,rgba(255,255,255,.9));border:.5px solid var(--border,rgba(0,0,0,.08));cursor:pointer}
.rt-invite-card .rtc-top{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;color:var(--ink2,#6B6E76)}
.rt-invite-card .rtc-top svg{width:14px;height:14px}
.rt-invite-card .rtc-t{font-size:15px;font-weight:600;line-height:1.35;overflow-wrap:anywhere}
.rt-invite-card .rtc-a{font-size:12px;color:var(--ink2,#6B6E76)}
.rt-invite-card .rtc-p{font-size:12px;margin-top:4px}
/* 8b: the card a character sends (js/apps/reading-invite.js) */
.rt-invite-card.rt-ci .rtc-line{color:var(--ink2,#6B6E76)}
.rt-invite-card .rtc-act{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-top:8px}
.rt-invite-card .rtc-btn{font:inherit;font-size:13px;line-height:1;padding:7px 14px;border-radius:999px;border:.5px solid var(--border,rgba(0,0,0,.12));background:transparent;color:inherit;cursor:pointer}
.rt-invite-card .rtc-btn.rtc-yes{background:var(--acc,#6E7BF2);border-color:transparent;color:var(--on-acc,#fff)}
.rt-invite-card .rtc-res{font-size:12.5px;color:var(--ink2,#6B6E76)}
.rt-invite-card .rtc-res.rtc-accepted{color:var(--accd,#4f5fd6)}