:root{
  --bg:#0a0e14;
  --bg2:#121824;
  --card:#161d2b;
  --line:#243044;
  --fg:#eef2f8;
  --muted:#8b98ad;
  --dora:#d18a3a;      /* archive amber */
  --dora2:#9a5529;
  --bell:#f4d58d;
  --red:#e8443b;       /* collar red */
  --ok:#39d98a;
  --shadow:0 8px 30px rgba(0,0,0,.45);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;height:100%}
body{
  background:var(--bg);color:var(--fg);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang TC","Microsoft JhengHei",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
  overscroll-behavior:none;
}
#app{min-height:100%}
.boot{display:flex;align-items:center;justify-content:center;height:100vh;color:var(--muted)}
button{font-family:inherit;color:inherit;cursor:pointer}
img{-webkit-user-drag:none;user-select:none}

/* ===================== LIBRARY ===================== */
.lib{max-width:1180px;margin:0 auto;padding:20px 16px 60px}
.lib-head{display:flex;align-items:center;gap:14px;padding:6px 2px 18px}
.logo{width:44px;height:44px;border-radius:50%;background:
   radial-gradient(circle at 50% 38%, #fff 0 22%, var(--dora) 22% 100%);
   position:relative;box-shadow:var(--shadow);flex:0 0 auto}
.logo::after{content:"";position:absolute;left:50%;top:56%;transform:translateX(-50%);
   width:34%;height:18%;background:var(--red);border-radius:0 0 40px 40px}
.lib-title{font-size:22px;font-weight:800;letter-spacing:.5px}
.lib-title small{display:block;font-size:11px;font-weight:600;color:var(--muted);letter-spacing:2px}

/* series shelf header (back button + title) */
.shelf-head{gap:12px}
.backbtn{flex:0 0 auto;height:40px;padding:0 14px;background:var(--card);border:1px solid var(--line);
   border-radius:12px;font-size:14px;font-weight:800;color:var(--fg)}
.backbtn:active{background:#ffffff14}

/* ===================== SERIES PICKER (home) ===================== */
.series-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:16px}
@media(min-width:560px){.series-grid{grid-template-columns:repeat(auto-fill,minmax(180px,1fr))}}
.scard{background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden;
   cursor:pointer;transition:transform .12s ease,border-color .12s ease}
.scard:hover{transform:translateY(-3px);border-color:var(--dora)}
.scover{position:relative;aspect-ratio:2/2.9;background:#0c1119;overflow:hidden}
.scover img{width:100%;height:100%;object-fit:cover;display:block;opacity:0;transition:opacity .3s}
.scover img.loaded{opacity:1}
.scover::after{content:"";position:absolute;inset:0;
   background:linear-gradient(180deg,#0000 55%,#000a);pointer-events:none}
.smeta{padding:11px 13px 13px}
.sname{font-size:16px;font-weight:800;letter-spacing:.3px}
.ssub{font-size:11px;color:var(--muted);margin-top:3px}
.smeta .vbar{margin-top:9px}

.continue{display:flex;gap:16px;align-items:center;background:
   linear-gradient(120deg,var(--dora2),var(--dora));border-radius:18px;
   padding:14px 16px;margin:4px 0 24px;box-shadow:var(--shadow);cursor:pointer;
   transition:transform .12s ease}
.continue:active{transform:scale(.99)}
.continue .cthumb{width:52px;height:74px;border-radius:8px;object-fit:cover;
   background:#0004;flex:0 0 auto;box-shadow:0 2px 8px #0006}
.continue .ctext{flex:1;min-width:0}
.continue .ck{font-size:12px;font-weight:700;opacity:.85;letter-spacing:1px}
.continue .cv{font-size:18px;font-weight:800;margin-top:2px}
.continue .cp{font-size:12px;opacity:.9;margin-top:2px}
.continue .cgo{font-size:24px;opacity:.9}

.section-h{display:flex;align-items:baseline;gap:10px;margin:22px 2px 12px}
.section-h b{font-size:15px;font-weight:800}
.section-h span{font-size:12px;color:var(--muted)}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:16px}
.vcard{background:var(--card);border:1px solid var(--line);border-radius:14px;
   overflow:hidden;cursor:pointer;transition:transform .12s ease,border-color .12s ease}
.vcard:hover{transform:translateY(-3px);border-color:var(--dora)}
.vcover{position:relative;aspect-ratio:2/2.9;background:#0c1119;overflow:hidden}
.vcover img{width:100%;height:100%;object-fit:cover;display:block;opacity:0;transition:opacity .3s}
.vcover img.loaded{opacity:1}
.vbadge{position:absolute;top:8px;left:8px;background:#000a;backdrop-filter:blur(4px);
   color:#fff;font-size:12px;font-weight:800;padding:3px 9px;border-radius:20px}
.vdone{position:absolute;top:8px;right:8px;background:var(--ok);color:#04210f;
   font-size:11px;font-weight:800;padding:3px 8px;border-radius:20px}
.vmeta{padding:9px 11px 11px}
.vname{font-size:14px;font-weight:700}
.vsub{font-size:11px;color:var(--muted);margin-top:2px}
.vbar{height:4px;background:#0d1420;border-radius:4px;margin-top:8px;overflow:hidden}
.vbar > i{display:block;height:100%;background:linear-gradient(90deg,var(--dora),var(--bell));border-radius:4px}

.bm-list{display:flex;flex-direction:column;gap:8px}
.bm-item{display:flex;align-items:center;gap:10px;background:var(--card);
   border:1px solid var(--line);border-radius:12px;padding:9px 12px;cursor:pointer}
.bm-item:hover{border-color:var(--bell)}
.bm-item .star{color:var(--bell);font-size:16px}
.bm-item .bt{flex:1;font-size:14px;font-weight:600}
.bm-item .bp{font-size:12px;color:var(--muted)}
.bm-item .bx{color:var(--muted);font-size:18px;padding:2px 6px;border-radius:8px}
.bm-item .bx:hover{color:var(--red);background:#0006}
.empty{color:var(--muted);font-size:13px;padding:6px 2px}

/* ===================== READER ===================== */
.reader{position:fixed;inset:0;background:#05070b;overflow:hidden;touch-action:manipulation}
#viewer{position:absolute;inset:0;overflow-y:auto;overflow-x:hidden;
   -webkit-overflow-scrolling:touch;display:flex;justify-content:center;align-items:flex-start;
   scroll-behavior:auto}
#viewer.fit-height{align-items:center}
#pageimg{display:block;background:#0a0e14;max-width:100%}
#viewer.fit-width #pageimg{width:100%;height:auto}
#viewer.fit-height #pageimg{height:100dvh;width:auto;max-width:100%;object-fit:contain}

/* tap navigation zones */
.zones{position:absolute;inset:0;display:flex;z-index:5}
.zone{flex:1}
.zone.mid{flex:1.1}

.spinner{position:absolute;top:50%;left:50%;width:38px;height:38px;margin:-19px;
   border:3px solid #ffffff30;border-top-color:var(--dora);border-radius:50%;
   animation:spin .8s linear infinite;z-index:6;opacity:0;transition:opacity .15s;pointer-events:none}
.spinner.on{opacity:1}
@keyframes spin{to{transform:rotate(360deg)}}

/* top + bottom chrome.
   Bars stay put until you dismiss them — they never auto-hide mid-read.
   Every button carries a text label so its job is unambiguous. */
.chrome{position:absolute;left:0;right:0;z-index:20;transition:opacity .2s,transform .2s;
   pointer-events:none}
.chrome.hidden{opacity:0;transform:translateY(var(--slide));pointer-events:none!important}
.topbar{top:0;--slide:-100%;background:linear-gradient(180deg,#000e 0,#0000);
   padding:calc(env(safe-area-inset-top) + 8px) 12px 26px}
.botbar{bottom:0;--slide:100%;background:linear-gradient(0deg,#000e 0,#0006 55%,#0000);
   padding:26px 14px calc(env(safe-area-inset-bottom) + 12px)}
.chrome *{pointer-events:auto}
.topbar .row{display:flex;align-items:center;gap:10px;max-width:1000px;margin:0 auto}
.tb-title{flex:1;min-width:0;font-size:16px;font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tb-title small{color:#cfe;opacity:.85;font-weight:700;margin-left:8px}
.iconbtn{min-width:44px;height:44px;flex:0 0 auto;display:flex;align-items:center;justify-content:center;gap:5px;
   padding:0 12px;background:#ffffff1a;border:none;border-radius:12px;font-size:22px;font-weight:800;backdrop-filter:blur(6px)}
.iconbtn .lbl{font-size:14px;font-weight:800}
.iconbtn:active{background:#ffffff30}

/* bottom bar = a page slider on top, a row of big labelled buttons under it */
.botbar .slider-row{display:flex;align-items:center;gap:12px;max-width:1000px;margin:0 auto 10px}
.botbar .ctrl-row{display:flex;align-items:stretch;gap:8px;max-width:1000px;margin:0 auto}
.pageno{font-size:14px;font-weight:800;min-width:72px;text-align:center;color:#eaf3ff}
/* The input's own box IS the touch target. It used to be 8px tall, so on a phone
   the slider could only be grabbed inside an 8px band. Keep the box 44px and
   paint the visible 8px track inside it via the track pseudo-elements. */
.scrub{flex:1;-webkit-appearance:none;appearance:none;height:44px;margin:0;
   background:transparent;outline:none}
.scrub::-webkit-slider-runnable-track{height:8px;border-radius:8px;background:#ffffff33}
.scrub::-webkit-slider-thumb{-webkit-appearance:none;width:24px;height:24px;border-radius:50%;
   background:var(--dora);box-shadow:0 0 0 4px #00a3e055;cursor:pointer;
   margin-top:-8px}  /* centre the 24px thumb on the 8px track */
.scrub::-moz-range-track{height:8px;border-radius:8px;background:#ffffff33}
.scrub::-moz-range-thumb{width:24px;height:24px;border:none;border-radius:50%;background:var(--dora)}
.ctrlbtn{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
   min-height:56px;background:#ffffff16;border:none;border-radius:14px;color:#eaf3ff;
   padding:8px 4px;backdrop-filter:blur(6px);transition:background .12s}
.ctrlbtn:active{background:#ffffff32}
.ctrlbtn .ci{font-size:21px;line-height:1}
.ctrlbtn .cl{font-size:11px;font-weight:800;letter-spacing:.5px;opacity:.95;white-space:nowrap}
.ctrlbtn.on{background:var(--bell);color:#3a2c00}

/* first-run gesture hint (shown once, then remembered) */
.hint{position:absolute;inset:0;z-index:40;display:none;align-items:center;justify-content:center;
   background:#05070bd6;backdrop-filter:blur(2px);padding:24px}
.hint.show{display:flex}
.hint-card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:22px 20px;
   max-width:360px;width:100%;text-align:center;box-shadow:var(--shadow)}
.hint-zones{display:flex;gap:8px;margin-bottom:16px}
.hz{flex:1;display:flex;flex-direction:column;align-items:center;gap:8px;padding:18px 6px;
   border-radius:14px;background:#0d1626;border:1px dashed var(--line);font-size:12px;font-weight:800;color:var(--muted)}
.hz.mid{background:#0e1b2e;border-color:var(--dora);color:#bfe6ff}
.hz-ico{font-size:24px}
.hint-tip{font-size:15px;line-height:1.8;color:var(--fg);margin:0 0 18px}
.hint-tip b{color:var(--bell)}
.hint-card .pill{width:100%}

/* end-of-volume panel */
.endpanel{position:absolute;inset:0;z-index:15;display:none;flex-direction:column;
   align-items:center;justify-content:center;gap:16px;background:#05070bee;text-align:center;padding:24px}
.endpanel.show{display:flex}
.endpanel h3{margin:0;font-size:20px}
.endpanel .btns{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}
.pill{background:var(--dora);color:#fff;border:none;border-radius:30px;padding:12px 22px;
   font-size:15px;font-weight:700;box-shadow:var(--shadow)}
.pill.ghost{background:#ffffff14}

.toast{position:fixed;left:50%;bottom:88px;transform:translateX(-50%) translateY(20px);
   background:#000c;color:#fff;padding:9px 16px;border-radius:24px;font-size:13px;font-weight:600;
   z-index:60;opacity:0;transition:opacity .2s,transform .2s;pointer-events:none;backdrop-filter:blur(6px)}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}