.reader{background:#050608;overflow:hidden;height:100vh;height:100dvh}
.reader[data-mode=scroll]{overflow:auto;height:auto}
.rbar{position:fixed;z-index:20;inset:0 0 auto;height:56px;display:flex;align-items:center;gap:12px;padding:0 14px;padding-top:env(safe-area-inset-top);background:rgba(7,8,11,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:transform .3s}
.rfoot{position:fixed;z-index:20;inset:auto 0 0;height:56px;display:flex;align-items:center;gap:12px;padding:0 14px;padding-bottom:env(safe-area-inset-bottom);background:rgba(7,8,11,.86);backdrop-filter:blur(12px);border-top:1px solid var(--line);transition:transform .3s}
.reader.ui-hidden .rbar{transform:translateY(-100%)}
.reader.ui-hidden .rfoot{transform:translateY(100%)}
.rbar__back,.rbtn{display:grid;place-items:center;width:40px;height:40px;border-radius:10px;border:1px solid transparent;background:none;color:var(--fg);cursor:pointer;flex:none}
.rbar__back:hover,.rbtn:hover{background:rgba(255,255,255,.07)}
.rbtn:disabled{opacity:.3;cursor:default}
.rbar__title{display:flex;flex-direction:column;line-height:1.2;min-width:0;flex:1}
.rbar__title b{font-family:var(--display);font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rbar__title span{font-size:13px;color:var(--mute);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rbar__tools{display:flex;align-items:center;gap:4px}
.rbar__count{font-family:var(--mono);font-size:12px;color:var(--mute);margin-right:6px;white-space:nowrap}
#rRange{flex:1;accent-color:#ff3b3b;min-width:0}

.stage{position:fixed;inset:56px 0 56px;display:grid;place-items:center;user-select:none;-webkit-user-select:none;touch-action:pan-y pinch-zoom}
.reader.ui-hidden .stage{inset:0}
.stage img{position:absolute;inset:8px;width:calc(100% - 16px);height:calc(100% - 16px);object-fit:contain;filter:drop-shadow(0 20px 50px rgba(0,0,0,.6));transition:opacity .18s}
.reader.ui-hidden .stage img{inset:0;width:100%;height:100%}
.stage img.is-loading{opacity:.25}
.zone{position:absolute;top:0;bottom:0;width:34%;background:none;border:0;cursor:pointer;-webkit-tap-highlight-color:transparent}
.zone--prev{left:0;cursor:w-resize}
.zone--next{right:0;cursor:e-resize}
.spinner{position:absolute;width:28px;height:28px;border-radius:50%;border:2px solid rgba(255,59,59,.2);border-top-color:#ff3b3b;animation:spin .8s linear infinite;opacity:0;transition:opacity .2s;pointer-events:none}
.spinner.on{opacity:1}
@keyframes spin{to{transform:rotate(360deg)}}

.scroll{padding:72px 0 80px;display:flex;flex-direction:column;align-items:center;gap:14px}
.scroll img{width:min(100%,900px);height:auto;aspect-ratio:2/3;background:#0d0f13}
.reader[data-mode=scroll] .rfoot{display:none}

.endcard{position:fixed;inset:56px 0 56px;z-index:10;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:24px;background:radial-gradient(ellipse at 50% 30%,rgba(255,59,59,.08),transparent 60%),#050608;overflow:auto}
.reader[data-mode=scroll] .endcard{position:static;inset:auto;padding:80px 24px 120px}
.endcard h2{font-size:clamp(2rem,5vw,3.4rem);margin-bottom:12px}
.endcard>p{color:var(--mute);max-width:52ch;margin-bottom:26px}
.endcard .cta{justify-content:center;margin-bottom:30px}
.endcard .form{width:100%}

.rerr{position:fixed;inset:0;display:grid;place-items:center;text-align:center;padding:24px}
.rerr h1{font-size:clamp(2rem,6vw,3.6rem);margin-bottom:10px}
.rerr p{color:var(--mute);margin-bottom:24px}
@media (max-width:520px){.rbar__count{display:none}}