/* The Chicken Chronicles — Comic Reader SPA */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* Guarantee [hidden] always wins — an author rule that sets `display` on the
   same element (even one added later) would otherwise silently out-rank the
   browser's default [hidden]{display:none}, since author styles beat UA
   styles regardless of source order. That footgun already bit this file once. */
[hidden] { display: none !important; }

:root {
  --bg-deep:   #0e0e0e;
  --bg:        #191919;
  --bg-card:   #212121;
  --fg:        #ddd5c0;
  --fg-dim:    #8a8070;
  --fg-muted:  #4a4438;
  --accent:    #a02818;
  --accent-hi: #c03020;
  --border:    #2c2c2c;
  --border-hi: #444;
  --header-h:  48px;
  --bar-h:     40px;

  /* Comic grid — 4 columns × 256 px each.
     --unit scales responsively so 4 units always fits the viewport. */
  --unit: 256px;
  --pgap: 3px;

  --radius: 3px;
  --serif:  Georgia, 'Times New Roman', serif;
  --sans:   system-ui, -apple-system, sans-serif;
  --mono:   'Courier New', Courier, monospace;
}

@media (max-width: 1090px) {
  :root { --unit: calc((100vw - 2rem) / 4); }
}

/* Full-height flex column so reader fills the true visible area
   (avoids the 100vh-overshoots-browser-chrome bug on iOS/Android). */
html { height: 100%; }

body {
  height: 100%;
  display: flex;
  flex-direction: column;
  background: var(--bg-deep);
  color: var(--fg);
  font-family: var(--sans);
  line-height: 1.5;
}

#app {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

/* ── Site header ──────────────────────────────────────────────────────── */

.site-header {
  height: var(--header-h);
  background: var(--bg);
  border-bottom: 2px solid var(--accent);
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  position: sticky;
  top: 0;
  z-index: 200;
}

.site-title {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: bold;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg);
  text-decoration: none;
}

.site-title:hover { color: var(--accent-hi); }

.site-sub {
  font-size: 0.65rem;
  color: var(--fg-muted);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* ── Index view — overlay drawer over the (always-mounted) reader ───────── */

.view-index {
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  max-height: calc(100vh - var(--header-h));
  overflow-y: auto;
  background: var(--bg-deep);
  border-bottom: 2px solid var(--accent);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6);
  z-index: 150;
  padding: 2rem 1.5rem calc(3rem + env(safe-area-inset-bottom, 0px));
  transform: translateY(-12px);
  opacity: 0;
  visibility: hidden;
  transition: transform 0.2s ease, opacity 0.2s ease, visibility 0.2s;
}

.view-index.open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.series-synopsis {
  font-family: var(--serif);
  font-style: italic;
  color: var(--fg-dim);
  line-height: 1.8;
  margin: 0 auto 2.5rem;
  max-width: 640px;
  font-size: 0.92rem;
}

/* Era list — the only navigable menu level. Each entry links straight into
   the era's first built story; nothing about scenario/story structure is
   ever exposed here. */
.era-list  { list-style: none; max-width: 860px; margin: 0 auto; }
.era-item  { border-top: 1px solid var(--border); }
.era-item:last-child { border-bottom: 1px solid var(--border); }

.era-link {
  width: 100%;
  color: var(--fg);
  cursor: pointer;
  padding: 1rem 0;
  display: flex;
  align-items: center;
  gap: 1rem;
  text-align: left;
  text-decoration: none;
  transition: color 0.15s;
}

.era-link:hover { color: var(--accent-hi); }
.era-link.empty { cursor: default; }
.era-link.empty:hover { color: var(--fg); }
.era-link.empty .era-name { color: var(--fg-muted); }

.era-numeral {
  font-family: var(--serif);
  font-size: 0.9rem;
  color: var(--fg-muted);
  width: 2rem;
  flex-shrink: 0;
  text-align: right;
}

.era-name {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  flex: 1;
}

/* ── Reader layout ────────────────────────────────────────────────────── */

.view-reader {
  flex: 1;           /* fills remaining height after site-header */
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;     /* flex shrink must be able to go below content size */
}

.reader-bar {
  height: var(--bar-h);
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 0 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.btn-back {
  background: none;
  border: 1px solid var(--border);
  color: var(--fg-dim);
  padding: 0.25rem 0.6rem;
  font-size: 0.75rem;
  font-family: inherit;
  cursor: pointer;
  border-radius: var(--radius);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.15s, color 0.15s;
}

.btn-back:hover { border-color: var(--border-hi); color: var(--fg); }

.reader-crumb {
  flex: 1;
  font-size: 0.72rem;
  color: var(--fg-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  letter-spacing: 0.04em;
}

/* Scroll area — all panels live here.
   padding-bottom ensures content clears iOS home-indicator / Android nav bar. */
.reader-scroll {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  min-height: 0;
  padding-bottom: env(safe-area-inset-bottom, 0.75rem);
}

/* ── Story navigation (top + bottom of scroll) ───────────────────────── */

.story-nav {
  display: flex;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  border-bottom: 1px solid var(--border);
  gap: 1rem;
}

.story-nav + .panels-column ~ .story-nav,
.panels-column + .story-nav {
  border-top: 1px solid var(--border);
  border-bottom: none;
}

.story-nav-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--fg-dim);
  padding: 0.4rem 0.9rem;
  font-size: 0.78rem;
  border-radius: var(--radius);
  cursor: pointer;
  max-width: 48%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: border-color 0.15s, color 0.15s;
}

.story-nav-btn:hover:not(:disabled) { border-color: var(--border-hi); color: var(--fg); }
.story-nav-btn:disabled { opacity: 0.3; cursor: default; }

/* ── Cover ────────────────────────────────────────────────────────────── */

.reader-cover {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 3rem 2rem;
  gap: 1.75rem;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.cover-img-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  width: 320px;
  max-width: 90vw;
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.cover-img { width: 100%; height: 100%; object-fit: cover; display: block; }

.cover-img-placeholder {
  color: var(--fg-muted);
  font-size: 0.65rem;
  font-family: var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.cover-meta { display: flex; flex-direction: column; gap: 0.6rem; max-width: 540px; }

.cover-label {
  font-size: 0.62rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.cover-title {
  font-family: var(--serif);
  font-size: 2rem;
  font-weight: bold;
  line-height: 1.2;
  letter-spacing: 0.02em;
}

.cover-synopsis {
  font-family: var(--serif);
  font-style: italic;
  color: var(--fg-dim);
  line-height: 1.8;
  font-size: 0.9rem;
}

/* ── Panels column (stacked, scrollable) ─────────────────────────────── */

.panels-column {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2.5rem 1rem;
  gap: 3rem;
}

/* ── Single panel block ───────────────────────────────────────────────── */

.panel-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: fit-content;
  max-width: 100%;
}

.panel-title {
  font-size: 0.62rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: 0.4rem;
  align-self: flex-start;
}

/* The CSS grid for one panel row */
.panel-grid {
  display: grid;
  grid-template-columns: repeat(4, var(--unit));
  grid-auto-rows: var(--unit);
  gap: var(--pgap);
  background: #000;
}

/* Cell sizing via data attributes */
.cell[data-w="1"] { grid-column: span 1; }
.cell[data-w="2"] { grid-column: span 2; }
.cell[data-w="3"] { grid-column: span 3; }
.cell[data-w="4"] { grid-column: span 4; }
.cell[data-h="1"] { grid-row: span 1; }
.cell[data-h="2"] { grid-row: span 2; }

.cell {
  background: var(--bg-card);
  overflow: hidden;
  position: relative;
}

.cell img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Pending cell placeholder */
.cell-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  color: var(--fg-muted);
  font-size: 0.62rem;
  font-family: var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--border);
}

.cell-placeholder span {
  color: var(--fg-dim);
  font-size: 0.75rem;
}

/* Short-text overlay — visible on hover */
.cell-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.9) 45%);
  color: #f0e8d8;
  padding: 2rem 0.65rem 0.5rem;
  font-size: 0.72rem;
  line-height: 1.45;
  opacity: 0;
  transition: opacity 0.18s;
  pointer-events: none;
}

.cell:hover .cell-caption { opacity: 1; }

/* ── Caption strip below each panel ──────────────────────────────────── */

.panel-captions {
  width: calc(var(--unit) * 4 + var(--pgap) * 3);
  max-width: 100%;
  padding: 0.65rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  border-top: 1px solid var(--border);
}

.caption-row {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
}

.caption-id {
  font-family: var(--mono);
  font-size: 0.58rem;
  color: var(--fg-muted);
  flex-shrink: 0;
  width: 3.5em;
  padding-top: 0.15rem;
}

/* Caption text — always visible, styled like a comic narration box.
   The short blurb only appears on image hover (see .cell-caption below). */
.caption-text {
  flex: 1;
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.82rem;
  color: var(--fg);
  line-height: 1.75;
  padding: 0.6rem 0.8rem;
  border-left: 2px solid var(--accent);
  background: var(--bg-card);
}

/* ── Coming soon states ───────────────────────────────────────────────── */

.coming-soon-inline {
  color: var(--fg-muted);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.4rem 0;
}

.coming-soon-story {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 6rem 2rem;
  gap: 1rem;
  text-align: center;
}

.coming-soon-story h2 {
  font-family: var(--serif);
  font-size: 1.4rem;
  color: var(--fg-dim);
  text-transform: capitalize;
}

.coming-soon-story p {
  color: var(--fg-muted);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.coming-soon-panels {
  padding: 3rem 1rem;
  text-align: center;
  color: var(--fg-muted);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.cs-glyph {
  font-size: 2.5rem;
  color: var(--fg-muted);
  line-height: 1;
}

/* ── Utility ──────────────────────────────────────────────────────────── */

.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 8rem;
  color: var(--fg-muted);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.error-msg {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  background: var(--bg-deep);
  padding: 3rem 2rem;
  text-align: center;
  color: var(--accent-hi);
  font-size: 0.88rem;
  line-height: 1.8;
}

.error-msg code {
  background: var(--bg-card);
  padding: 0.15rem 0.4rem;
  border-radius: var(--radius);
  font-family: var(--mono);
}

/* Prevent selection during swipe */
.reader-scroll { user-select: none; }
.panel-captions { user-select: text; }