/* nanofable demo — storybook-on-parchment. Tokens from the design plan:
   parchment ground, ink text, quill-blue accent, gilt for the illuminated touches. */

/* Self-hosted fonts (latin subsets), preloaded from index.html so they're ready at
   first paint — no swap-reflow on load, and no third-party request. */
@font-face {
  font-family: "IM Fell English";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/im-fell-english.woff2") format("woff2");
}
@font-face {
  font-family: "IM Fell English";
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/im-fell-english-italic.woff2") format("woff2");
}
@font-face {
  font-family: "EB Garamond";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url("fonts/eb-garamond.woff2") format("woff2");
}
@font-face {
  font-family: "EB Garamond";
  font-style: italic;
  font-weight: 400 600;
  font-display: swap;
  src: url("fonts/eb-garamond-italic.woff2") format("woff2");
}

:root {
  --parchment: #f6f1e5;
  --vellum: #fbf8f0;
  --ink: #2e2a24;
  --faded: #857b6b;
  --quill: #3a5169;
  --gilt: #b08d3e;
  --madder: #8c3b2e; /* error accent only */
  --line: rgba(46, 42, 36, 0.14);
  --font-display: "IM Fell English", "Iowan Old Style", serif;
  --font-body: "EB Garamond", Georgia, serif;
  --font-ui: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --col: 44rem;
}

* { box-sizing: border-box; margin: 0; }

html, body { height: 100%; }

body {
  display: flex;
  flex-direction: column;
  background: var(--parchment);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
}

/* ---- header ---- */

.site-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.25rem;
}

.mark {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.02em;
}

.mark-sub { color: var(--faded); font-style: italic; font-size: 0.95rem; }

.icon-btn {
  display: grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--vellum);
  color: var(--quill);
  cursor: pointer;
}

.icon-btn:hover { border-color: var(--quill); }
.icon-btn:disabled { color: var(--faded); cursor: default; border-color: var(--line); }
.icon-btn.done { color: var(--gilt); }

/* ---- main / hero / transcript ---- */

#main {
  flex: 1;
  overflow-y: auto;
  padding: 0 1.25rem;
}

#hero {
  max-width: var(--col);
  margin: 12vh auto 0;
  text-align: center;
}

body.storytime #hero { display: none; }

.hero-bard {
  width: 93px; /* the art's native pixel grid (465 / 5) — keeps pixels even */
  height: auto;
  image-rendering: pixelated;
  margin-top: 1.5rem;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.1rem, 6vw, 3.3rem);
  line-height: 1.15;
}

.hero-sub {
  margin: 1.1rem auto 0;
  max-width: 34rem;
  color: var(--faded);
  font-size: 1.05rem;
  line-height: 1.55;
}

#transcript {
  max-width: var(--col);
  margin: 0 auto;
  padding: 1.5rem 0 2rem;
}

.entry-user {
  margin-top: 2.25rem;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faded);
}

.story {
  margin-top: 0.8rem;
  font-size: 1.16rem;
  line-height: 1.72;
  white-space: pre-wrap;
  overflow-wrap: anywhere; /* unbroken token runs (e.g. "NNNN…") wrap, never overflow */
}

/* Raised initial: inline so it shares the first line's baseline — the line sits
   level with the letter's bottom, and the letter towers above it. */
.story .dropcap {
  font-family: var(--font-display);
  font-size: 2.9em;
  line-height: 1;
  padding-right: 0.06em;
  color: var(--gilt);
}

.story.streaming::after {
  content: "";
  display: inline-block;
  width: 2px;
  height: 1em;
  margin-left: 2px;
  vertical-align: -0.15em;
  background: var(--quill);
  animation: inkblink 1.1s steps(2, start) infinite;
}

@keyframes inkblink { to { visibility: hidden; } }

.story-note {
  margin-top: 0.6rem;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: var(--faded);
}

.fin {
  margin-top: 0.9rem;
  text-align: center;
  color: var(--gilt);
  font-size: 1rem;
}

/* ---- composer ---- */

.composer-wrap { padding: 0 1.25rem calc(0.75rem + env(safe-area-inset-bottom)); }

.composer {
  max-width: var(--col);
  margin: 0 auto;
  background: var(--vellum);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 2px 14px rgba(46, 42, 36, 0.07);
  padding: 0.85rem 0.9rem 0.65rem;
}

.composer:focus-within { border-color: var(--quill); }

#input {
  width: 100%;
  border: 0;
  background: transparent;
  resize: none;
  font-family: var(--font-body);
  font-size: 1.08rem;
  line-height: 1.5;
  color: var(--ink);
  max-height: 9rem;
}

#input:focus { outline: none; }
#input::placeholder { color: var(--faded); font-style: italic; }

.composer-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-top: 0.55rem;
  gap: 0.5rem;
}

.composer-tools { display: flex; gap: 0.4rem; }

.menu-anchor { position: relative; }

.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.34rem 0.75rem;
  cursor: pointer;
  white-space: nowrap;
}

/* Reserve the chip's width up front so "loading…" -> model name doesn't reflow. */
#model-btn { min-width: 11.5rem; }

.chip:hover:not(:disabled) { border-color: var(--quill); color: var(--quill); }
.chip:disabled { color: var(--faded); cursor: default; }
.chip-icon { padding: 0.34rem 0.55rem; }

.send {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 0;
  border-radius: 50%;
  background: var(--quill);
  color: var(--parchment);
  cursor: pointer;
  flex: 0 0 auto;
}

.send:hover:not(:disabled) { background: #2e4157; }
.send:disabled { background: var(--line); color: var(--faded); cursor: default; }
.send .ic-stop { display: none; }
body.generating .send .ic-stop { display: block; }
body.generating .send .ic-quill { display: none; }

.colophon {
  max-width: var(--col);
  margin: 0.5rem auto 0;
  text-align: center;
  font-family: var(--font-ui);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--faded);
}

/* ---- menus ---- */

.menu {
  position: absolute;
  bottom: calc(100% + 0.5rem);
  left: 0;
  min-width: 15rem;
  background: var(--vellum);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 6px 24px rgba(46, 42, 36, 0.14);
  padding: 0.4rem;
  z-index: 20;
  font-family: var(--font-ui);
}

.menu-heading {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faded);
  padding: 0.35rem 0.6rem 0.45rem;
}

.menu-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  border: 0;
  background: transparent;
  border-radius: 8px;
  padding: 0.45rem 0.6rem;
  font-size: 0.82rem;
  color: var(--ink);
  cursor: pointer;
  text-align: left;
}

.menu-item:hover:not(:disabled) { background: rgba(58, 81, 105, 0.08); }
.menu-item:disabled { color: var(--faded); cursor: not-allowed; }
.menu-item .size { color: var(--faded); font-size: 0.74rem; }
.menu-item.selected { color: var(--quill); font-weight: 600; }
.menu-item.selected::before { content: "✓ "; }

.menu-row { display: block; position: relative; }

.menu-tip {
  position: absolute;
  left: calc(100% + 0.5rem);
  top: 50%;
  transform: translateY(-50%);
  width: 12rem;
  background: var(--ink);
  color: var(--parchment);
  border-radius: 8px;
  padding: 0.4rem 0.55rem;
  font-size: 0.72rem;
  line-height: 1.35;
  box-shadow: 0 6px 24px rgba(46, 42, 36, 0.18);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.12s ease;
  pointer-events: none;
  z-index: 30;
}

.menu-row.locked:hover .menu-tip { opacity: 1; visibility: visible; }

.menu-config label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.3rem 0.6rem;
  font-size: 0.82rem;
}

.menu-config .hint { color: var(--faded); font-size: 0.72rem; }

.menu-config input {
  width: 4.6rem;
  font-family: var(--font-ui);
  font-size: 0.82rem;
  color: var(--ink);
  background: var(--parchment);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.25rem 0.4rem;
}

/* ---- toasts (bottom-left) & progress (bottom-right) ---- */

#toast-region {
  position: fixed;
  bottom: 1rem;
  left: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  z-index: 40;
  max-width: min(22rem, calc(100vw - 2rem));
  pointer-events: none; /* toasts are read-only; never block the composer under them */
}

.toast {
  background: var(--vellum);
  border: 1px solid var(--line);
  border-left: 3px solid var(--madder);
  border-radius: 10px;
  box-shadow: 0 4px 18px rgba(46, 42, 36, 0.12);
  padding: 0.6rem 0.85rem;
  font-family: var(--font-ui);
  font-size: 0.82rem;
  line-height: 1.45;
}

#progress-card {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  width: min(19rem, calc(100vw - 2rem));
  background: var(--vellum);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 4px 18px rgba(46, 42, 36, 0.12);
  padding: 0.75rem 0.9rem;
  font-family: var(--font-ui);
  z-index: 40;
}

.progress-title {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faded);
}

.progress-label { font-size: 0.82rem; margin-top: 0.35rem; }

.progress-track {
  height: 4px;
  margin-top: 0.5rem;
  border-radius: 2px;
  background: var(--line);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0;
  border-radius: 2px;
  background: var(--quill);
  transition: width 0.15s ease-out;
}

.progress-overall { font-size: 0.72rem; color: var(--faded); margin-top: 0.4rem; }

/* ---- a11y & responsive ---- */

:focus-visible { outline: 2px solid var(--quill); outline-offset: 2px; }

@media (prefers-reduced-motion: reduce) {
  .story.streaming::after { animation: none; }
  .progress-fill { transition: none; }
}

@media (max-width: 540px) {
  #hero { margin-top: 7vh; }
  .site-head, #main, .composer-wrap { padding-left: 0.8rem; padding-right: 0.8rem; }
  .chip { font-size: 0.72rem; padding: 0.3rem 0.6rem; }
}