/* COLORGLOT — styles derived from the logo: 8 rainbow squares + slate wordmark on white. */

:root {
  /* Logo palette */
  --red: #EC2227; --orange: #F58607; --yellow: #F9B90B; --green: #46B357;
  --cyan: #07B4D1; --blue: #2D78E6; --indigo: #4F31A3; --purple: #8E24AA;

  --ink: #2A323B;
  --ink-soft: #5b6672;
  --bg: #ffffff;
  --card: #F4F5F7;
  --line: #dfe3e8;
  --primary: var(--blue);
  --primary-dark: #1f5cb8;
  --radius: 12px;

  /* Word-group chips: tint background + dark shade text (all pairs >= 5.6:1) */
  --c0-bg: #ECEEF1; --c0-fg: #4a535d;
  --c1-bg: #FCDCDC; --c1-fg: #761114; /* red    */
  --c2-bg: #DDE9FB; --c2-fg: #163C73; /* blue   */
  --c3-bg: #E1F3E4; --c3-fg: #235A2C; /* green  */
  --c4-bg: #FDECD7; --c4-fg: #7A4304; /* orange */
  --c5-bg: #EDDCF1; --c5-fg: #471255; /* purple */
  --c6-bg: #D7F3F8; --c6-fg: #045A68; /* cyan   */
  --c7-bg: #FEF4D8; --c7-fg: #7C5C06; /* yellow */
  --c8-bg: #E3DEF0; --c8-fg: #281852; /* indigo */
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Montserrat", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 1rem;
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--primary-dark); }

:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; }

/* ---------- Header ---------- */
.site-header {
  text-align: center;
  padding: 16px 16px 8px;
}
.site-header .logo { display: inline-block; }
.site-header img { display: block; width: min(240px, 60vw); height: auto; }
.site-header--home img { width: min(460px, 82vw); }
.tagline {
  margin: 6px 0 0;
  font-size: clamp(0.85rem, 2.6vw, 1rem);
  font-weight: 500;
  color: var(--ink-soft);
}
.site-header--home .tagline { font-size: clamp(1rem, 3.4vw, 1.35rem); color: var(--ink); }

.rainbow { display: flex; height: 5px; }
.rainbow i { flex: 1; }
.rainbow i:nth-child(1) { background: var(--red); }
.rainbow i:nth-child(2) { background: var(--orange); }
.rainbow i:nth-child(3) { background: var(--yellow); }
.rainbow i:nth-child(4) { background: var(--green); }
.rainbow i:nth-child(5) { background: var(--cyan); }
.rainbow i:nth-child(6) { background: var(--blue); }
.rainbow i:nth-child(7) { background: var(--indigo); }
.rainbow i:nth-child(8) { background: var(--purple); }

.page {
  flex: 1;
  width: 100%;
  max-width: 980px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}

.site-footer {
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.8rem;
  padding: 16px;
  border-top: 1px solid var(--line);
}
.site-footer p { margin: 0; }

/* ---------- Buttons ---------- */
.btn {
  appearance: none;
  border: 0;
  border-radius: var(--radius);
  min-height: 48px;
  padding: 0 24px;
  font: inherit;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}
.btn--primary { background: var(--primary); color: #fff; }
.btn--primary:hover { background: var(--primary-dark); }
.btn--ghost { background: var(--card); color: var(--ink); }
.btn--ghost:hover { background: var(--line); }
.btn[disabled] { opacity: 0.4; cursor: default; }

/* ---------- Home form ---------- */
.search {
  display: grid;
  gap: 18px;
  max-width: 560px;
  margin: 16px auto 0;
}
.field label { display: block; margin-bottom: 6px; font-weight: 500; }
.field select {
  width: 100%;
  min-height: 52px;
  padding: 0 14px;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--ink);
  font: inherit;
  font-style: italic;
}
.field select:focus { border-color: var(--primary); }
.field select.has-value { font-style: normal; }
.actions { text-align: center; margin-top: 4px; }
.actions .btn { width: 100%; max-width: 280px; min-height: 56px; }
.alert {
  margin: 0;
  padding: 12px 14px;
  border-radius: var(--radius);
  background: #FCDCDC;
  color: #761114;
  font-weight: 500;
}

@media (min-width: 900px) {
  .search {
    max-width: 980px;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: end;
  }
  .search .alert, .search .actions { grid-column: 1 / -1; }
}

/* ---------- Results ---------- */
.crumbs { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 8px; font-weight: 500; }
.crumbs a { text-decoration: none; }
.crumbs a:hover { text-decoration: underline; }
.page-title { font-size: clamp(1.5rem, 5vw, 2.2rem); line-height: 1.2; margin: 8px 0; }
.page-subtitle { margin: 0 0 20px; color: var(--ink-soft); font-size: 1.05rem; }
.summary { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 0 0 24px; }
.pill { background: var(--card); border-radius: 999px; padding: 4px 14px; font-weight: 500; font-size: 0.9rem; }
.pill--level { background: var(--c3-bg); color: var(--c3-fg); }

.book-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; }
.book__link {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 20px;
  padding: 20px;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--ink);
  background: var(--bg);
}
.book__link:hover, .book__link:focus-visible { border-color: var(--primary); background: var(--card); }
.book__cover {
  display: block;
  width: clamp(84px, 22vw, 150px);
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: 10px;
}
.book__text { min-width: 0; }
.book__title { display: block; font-size: 1.3rem; font-weight: 700; }
.book__subtitle { display: block; color: var(--ink-soft); margin-top: 2px; }
.book__meta { display: block; margin-top: 10px; font-size: 0.85rem; color: var(--ink-soft); }
.empty { text-align: center; padding: 32px 0; }

/* ---------- Reader (FORMAT C) ---------- */
.reader-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(14px, 3vw, 28px);
}
.sentence + .sentence { margin-top: 28px; padding-top: 28px; border-top: 1px solid var(--line); }
.js .sentence { display: none; margin: 0; padding: 0; border: 0; }
.js .sentence.is-current { display: block; }
.js .hint { display: block; }
.hint { display: none; margin: 16px 0 0; font-size: 0.85rem; color: var(--ink-soft); }

.moral-label {
  margin: 0 0 10px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.row + .row { margin-top: 18px; }
.row__label {
  margin: 0 0 8px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.row__text {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: clamp(1.05rem, 3.4vw, 1.5rem);
  line-height: 1.35;
}

.chip {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 8px;
  background: var(--c0-bg);
  color: var(--c0-fg);
  position: relative;
  cursor: pointer;
  transition: box-shadow 0.12s;
  -webkit-tap-highlight-color: transparent;
}
.chip.c1 { background: var(--c1-bg); color: var(--c1-fg); }
.chip.c2 { background: var(--c2-bg); color: var(--c2-fg); }
.chip.c3 { background: var(--c3-bg); color: var(--c3-fg); }
.chip.c4 { background: var(--c4-bg); color: var(--c4-fg); }
.chip.c5 { background: var(--c5-bg); color: var(--c5-fg); }
.chip.c6 { background: var(--c6-bg); color: var(--c6-fg); }
.chip.c7 { background: var(--c7-bg); color: var(--c7-fg); }
.chip.c8 { background: var(--c8-bg); color: var(--c8-fg); }
.chip.is-linked { box-shadow: 0 0 0 3px currentColor; }

.show-nums .chip[data-g]::after {
  content: attr(data-g);
  position: absolute;
  top: -9px; right: -7px;
  min-width: 20px; height: 20px;
  padding: 0 4px;
  border-radius: 10px;
  font-size: 0.7rem;
  font-weight: 700;
  line-height: 20px;
  text-align: center;
  background: var(--c0-fg);
  color: #fff;
}
.show-nums .chip.c1[data-g]::after { background: var(--c1-fg); }
.show-nums .chip.c2[data-g]::after { background: var(--c2-fg); }
.show-nums .chip.c3[data-g]::after { background: var(--c3-fg); }
.show-nums .chip.c4[data-g]::after { background: var(--c4-fg); }
.show-nums .chip.c5[data-g]::after { background: var(--c5-fg); }
.show-nums .chip.c6[data-g]::after { background: var(--c6-fg); }
.show-nums .chip.c7[data-g]::after { background: var(--c7-fg); }
.show-nums .chip.c8[data-g]::after { background: var(--c8-fg); }

.controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 20px;
}
.controls[hidden] { display: none; }
.controls .progress { grid-column: 1 / -1; grid-row: 1; text-align: center; font-weight: 500; font-size: 0.9rem; }
.progress__bar { height: 8px; border-radius: 4px; background: var(--line); margin-top: 6px; overflow: hidden; }
.progress__fill { height: 100%; width: 0; background: linear-gradient(90deg, var(--red), var(--orange), var(--yellow), var(--green), var(--cyan), var(--blue), var(--indigo), var(--purple)); background-size: 980px 100%; transition: width 0.2s; }

.toggle { display: block; margin-top: 18px; text-align: center; font-size: 0.9rem; color: var(--ink-soft); }
.toggle[hidden] { display: none; }
.toggle input { width: 18px; height: 18px; vertical-align: middle; margin-right: 6px; }

@media (min-width: 600px) {
  .controls { grid-template-columns: auto 1fr auto; align-items: center; }
  .controls .progress { grid-column: auto; grid-row: auto; }
}

/* Phones: keep Prev/Next within thumb reach */
@media (max-width: 599px) {
  .reader .page { padding-bottom: 96px; }
  .reader .controls {
    position: fixed;
    left: 0; right: 0; bottom: 0;
    margin: 0;
    padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
    background: rgba(255, 255, 255, 0.97);
    border-top: 1px solid var(--line);
    z-index: 10;
  }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}