/* Reader — immersive: the page owns the viewport, chrome floats above and hides. */
.reader {
  --night: #110c0a;
  --glass: #160f0cd9;
  --line: #fbf1de1f;
  --bar-h: 60px;
  --pad: 10px;
  min-height: 100dvh; color: var(--cream); background: var(--night);
  overscroll-behavior: none;
}

/* ---------- chrome (top/bottom bars) ---------- */
.chrome {
  position: fixed; inset-inline: 0; z-index: 20;
  display: flex; align-items: center; gap: .5rem;
  padding-inline: max(.5rem, env(safe-area-inset-left)) max(.5rem, env(safe-area-inset-right));
  background: var(--glass); backdrop-filter: blur(14px) saturate(1.4); -webkit-backdrop-filter: blur(14px) saturate(1.4);
  transition: transform .28s var(--ease-out), opacity .28s var(--ease-out);
}
.chrome--top { top: 0; height: calc(var(--bar-h) + env(safe-area-inset-top)); padding-top: env(safe-area-inset-top); border-bottom: 1px solid var(--line); }
.chrome--bottom { bottom: 0; height: calc(var(--bar-h) + env(safe-area-inset-bottom)); padding-bottom: env(safe-area-inset-bottom); border-top: 1px solid var(--line); }
[data-ui="off"] .chrome--top { transform: translateY(-100%); opacity: 0; pointer-events: none; }
[data-ui="off"] .chrome--bottom { transform: translateY(100%); opacity: 0; pointer-events: none; }

.icon-btn {
  flex: none; display: grid; place-items: center; width: 44px; height: 44px; padding: 0;
  color: inherit; background: transparent; border: 0; border-radius: 12px; cursor: pointer;
  transition: background .15s;
}
.icon-btn:hover { background: #fbf1de17; }
.icon-btn:disabled { opacity: .3; cursor: default; background: transparent; }
.icon-btn svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.chrome-actions { display: flex; gap: .15rem; }

.ep-picker { position: relative; flex: 1; min-width: 0; display: flex; flex-direction: column; line-height: 1.15; }
.ep-kicker { font: 700 .68rem/1.2 var(--font-body); letter-spacing: .14em; text-transform: uppercase; color: var(--gold); }
.ep-picker select {
  appearance: none; -webkit-appearance: none; max-width: 100%; padding: 0 1.4rem 0 0; margin: 0;
  font: 400 1.08rem/1.3 var(--font-display); color: var(--cream); background: transparent; border: 0; cursor: pointer;
  text-overflow: ellipsis; white-space: nowrap; overflow: hidden;
  background-image: linear-gradient(45deg, transparent 50%, var(--gold) 50%), linear-gradient(135deg, var(--gold) 50%, transparent 50%);
  background-position: right 7px center, right 2px center; background-size: 5px 5px; background-repeat: no-repeat;
}
.ep-picker select option { color: var(--ink); }

.scrub { flex: 1; display: flex; align-items: center; gap: .9rem; min-width: 0; }
.scrub input { flex: 1; min-width: 0; height: 36px; margin: 0; accent-color: var(--ember); cursor: pointer; }
.scrub output { min-width: 5ch; font: 700 .92rem/1 var(--font-body); font-variant-numeric: tabular-nums; text-align: right; }

.progress-line { position: fixed; inset: 0 0 auto; z-index: 30; height: 3px; pointer-events: none; }
.progress-line span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--ember), var(--gold)); transition: width .3s var(--ease-out); }

/* page counter pill when chrome is hidden */
.pill {
  position: fixed; right: max(12px, env(safe-area-inset-right)); bottom: max(12px, env(safe-area-inset-bottom)); z-index: 15;
  padding: .35rem .7rem; font: 700 .78rem/1 var(--font-body); font-variant-numeric: tabular-nums;
  color: #fbf1decc; background: #110c0aa6; border-radius: 99px; pointer-events: none;
  opacity: 0; transition: opacity .25s;
}
[data-ui="off"] .pill { opacity: 1; }
[data-mode="scroll"] .pill { display: none; }

/* ---------- stage ---------- */
.stage { outline: none; }
.msg { padding: 6rem 1.5rem; text-align: center; }

.page { position: relative; display: block; aspect-ratio: 2 / 3; background: #1d1511; overflow: hidden; }
.page img { width: 100%; height: 100%; object-fit: contain; user-select: none; -webkit-user-select: none; -webkit-user-drag: none; }
.page-retry {
  position: absolute; inset: 0; margin: auto; width: max-content; height: max-content;
  padding: .7rem 1.1rem; font-weight: 700; color: var(--ink); background: var(--gold); border: 0; border-radius: 99px; cursor: pointer;
}

/* Paged mode */
[data-mode="page"] .stage {
  position: fixed; inset: 0; display: grid; place-items: center; overflow: hidden;
  touch-action: pinch-zoom; user-select: none; -webkit-user-select: none; cursor: pointer;
}
[data-mode="page"] .spread { display: flex; justify-content: center; align-items: center; gap: 2px; }
[data-mode="page"][data-fit="screen"] .page {
  height: calc(100dvh - 2 * var(--pad));
  max-width: calc(100vw - 2 * var(--pad));
}
[data-mode="page"][data-fit="screen"] .spread--2 .page { max-width: calc((100vw - 2 * var(--pad)) / 2); }
.spread--2 .page:first-child { border-radius: 4px 0 0 4px; box-shadow: inset -18px 0 24px -18px #0009; }
.spread--2 .page:last-child { border-radius: 0 4px 4px 0; }
.spread--2 .page:first-child img { mask: linear-gradient(90deg, #000 94%, #000c); }

/* Fit width: scroll vertically inside the page */
[data-mode="page"][data-fit="width"] .stage { overflow-y: auto; place-items: start center; touch-action: pan-y pinch-zoom; }
[data-mode="page"][data-fit="width"] .page { width: min(100vw, 1024px); height: auto; }

/* Zoom: enlarge and let the browser pan natively */
[data-zoom="on"] .stage { overflow: auto !important; place-items: start !important; cursor: grab; touch-action: pan-x pan-y pinch-zoom; }
[data-zoom="on"] .spread { width: max-content; margin: auto; }
[data-zoom="on"][data-fit="screen"] .page { height: calc((100dvh - 2 * var(--pad)) * var(--zoom, 2.2)) !important; max-width: none !important; }

/* turn animation */
@keyframes turn-next { from { opacity: .4; transform: translateX(14px); } to { opacity: 1; transform: none; } }
@keyframes turn-prev { from { opacity: .4; transform: translateX(-14px); } to { opacity: 1; transform: none; } }
.spread.turn-next { animation: turn-next .22s var(--ease-out); }
.spread.turn-prev { animation: turn-prev .22s var(--ease-out); }

/* Scroll (webtoon) mode */
[data-mode="scroll"] .stage { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: calc(var(--bar-h) + env(safe-area-inset-top)) 0 calc(var(--bar-h) + 2rem); }
[data-mode="scroll"] .page { width: min(100%, 860px); }
[data-mode="scroll"] #prev, [data-mode="scroll"] #next { visibility: hidden; }

.spinner {
  position: fixed; left: 50%; top: 50%; z-index: 25; width: 38px; height: 38px; margin: -19px 0 0 -19px;
  border: 3px solid #fbf1de33; border-top-color: var(--gold); border-radius: 50%;
  opacity: 0; pointer-events: none; transition: opacity .2s; animation: spin .8s linear infinite;
}
.spinner.on { opacity: 1; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- first-visit hint ---------- */
.hint { position: fixed; inset: 0; z-index: 40; display: grid; grid-template-columns: 30% 1fr 30%; pointer-events: none; animation: hint-fade 3.2s ease forwards; }
.hint-zone { display: grid; place-content: center; justify-items: center; gap: .4rem; text-align: center; font: 400 1.35rem/1.2 var(--font-hand); color: var(--cream); background: #110c0a99; }
.hint-zone + .hint-zone { border-left: 2px dashed #fbf1de59; }
.hint-zone--mid { background: #110c0a66; }
.hint-zone small { font-size: .85rem; opacity: .85; }
.hint-zone svg { width: 40px; height: 40px; fill: none; stroke: var(--gold); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
@keyframes hint-fade { 0%, 75% { opacity: 1; } 100% { opacity: 0; visibility: hidden; } }

/* ---------- sheets (grid, settings) ---------- */
.sheet {
  width: min(980px, 100vw - 1.5rem); max-height: min(86dvh, 900px); padding: 0;
  color: var(--cream); background: #1b130f; border: 1px solid var(--line); border-radius: 18px;
  box-shadow: 0 30px 80px #000a;
}
.sheet--narrow { width: min(460px, 100vw - 1.5rem); }
.sheet::backdrop { background: #0a0705b3; backdrop-filter: blur(4px); }
.sheet[open] { animation: sheet-in .25s var(--ease-out); }
@keyframes sheet-in { from { opacity: 0; transform: translateY(18px) scale(.98); } to { opacity: 1; transform: none; } }
.sheet-head { position: sticky; top: 0; z-index: 1; display: flex; align-items: center; justify-content: space-between; padding: .8rem .8rem .8rem 1.3rem; background: #1b130ff2; border-bottom: 1px solid var(--line); }
.sheet-head h2 { margin: 0; font: 400 1.35rem/1 var(--font-display); }
.sheet-head form { margin: 0; }

.thumbs { display: grid; grid-template-columns: repeat(auto-fill, minmax(118px, 1fr)); gap: 14px; margin: 0; padding: 1.2rem 1.3rem 1.6rem; list-style: none; }
.thumb { display: grid; gap: .35rem; width: 100%; padding: 0; text-align: center; background: none; border: 0; cursor: pointer; }
.thumb picture { display: block; aspect-ratio: 2 / 3; overflow: hidden; border-radius: 6px; background: #2a1f19; outline: 2px solid transparent; outline-offset: 2px; transition: outline-color .15s, transform .2s var(--ease-out); }
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.thumb:hover picture { transform: translateY(-3px); }
.thumb span { font: 700 .8rem/1 var(--font-body); color: #fbf1deb3; font-variant-numeric: tabular-nums; }
.thumb[aria-current="true"] picture { outline-color: var(--ember); }
.thumb[aria-current="true"] span { color: var(--ember); }

.settings { display: grid; gap: 1.2rem; padding: 1.3rem; }
.settings fieldset { margin: 0; padding: 0; border: 0; }
.settings legend { margin-bottom: .55rem; font-weight: 700; font-size: .95rem; }
.settings legend small { font-weight: 400; opacity: .7; }
.seg { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: 4px; padding: 4px; background: #fbf1de12; border-radius: 12px; }
.seg label { position: relative; }
.seg input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.seg span { display: grid; place-items: center; min-height: 42px; padding: 0 .6rem; font-weight: 700; font-size: .92rem; border-radius: 9px; color: #fbf1debf; transition: background .15s, color .15s; }
.seg input:checked + span { color: var(--ink); background: var(--gold); }
.seg input:focus-visible + span { outline: 3px solid var(--gold); outline-offset: 2px; }
.shortcuts { padding: 0 1.3rem 1.4rem; }
.shortcuts h3 { margin: .2rem 0 .7rem; font-size: .95rem; }
.shortcuts dl { display: grid; grid-template-columns: 1fr 1fr; gap: .55rem 1rem; margin: 0; font-size: .9rem; }
.shortcuts dl div { display: flex; align-items: center; justify-content: space-between; gap: .5rem; }
.shortcuts dt { display: flex; gap: .25rem; }
.shortcuts dd { margin: 0; color: #fbf1debf; text-align: right; }
@media (hover: none) { .shortcuts { display: none; } }

/* ---------- end of episode ---------- */
.end {
  width: min(440px, 100vw - 1.5rem); padding: 2rem 1.5rem 1.5rem; text-align: center;
  color: var(--cream); background: #1b130f; border: 1px solid var(--line); border-radius: 20px; box-shadow: 0 30px 80px #000c;
}
.end::backdrop { background: #0a0705cc; backdrop-filter: blur(6px); }
.end[open] { animation: sheet-in .3s var(--ease-out); }
.end-kicker { margin: 0; font-size: 1.3rem; color: var(--gold); }
.end-title { margin: .2rem 0 1.3rem; font: 400 1.7rem/1.1 var(--font-display); }
.end-next { display: flex; align-items: center; gap: 1rem; padding: .8rem; text-align: left; text-decoration: none; background: #fbf1de0d; border: 1px solid var(--line); border-radius: 14px; }
.end-next img { width: 72px; height: 108px; object-fit: cover; border-radius: 6px; background: #2a1f19; }
.end-next small { display: block; font: 700 .7rem/1 var(--font-body); letter-spacing: .14em; text-transform: uppercase; color: var(--gold); }
.end-next strong { display: block; margin-top: .35rem; font: 400 1.25rem/1.15 var(--font-display); }
.end-next:not([href]) img { display: none; }
.end-actions { display: grid; gap: .8rem; margin-top: 1.3rem; }
.end-close { position: absolute; top: .6rem; right: .6rem; }
.end form { margin: 0; }
.end--inline { position: static; display: block; margin: 2.5rem auto 1rem; }