/* Tabella — parchment by day, chrysography by night.
   Design language transcribed from the hand-styled vignette books
   (creta-a-chalk-book.html, nox-a-night-book.html). */

/* ---------- fonts (self-hosted, latin + latin-ext) ---------- */

@font-face {
  font-family: 'EB Garamond';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/eb-garamond-400.woff2') format('woff2');
}
@font-face {
  font-family: 'EB Garamond';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('fonts/eb-garamond-500.woff2') format('woff2');
}
@font-face {
  font-family: 'EB Garamond';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('fonts/eb-garamond-600.woff2') format('woff2');
}
@font-face {
  font-family: 'EB Garamond';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/eb-garamond-italic-400.woff2') format('woff2');
}
@font-face {
  font-family: 'EB Garamond';
  font-style: italic;
  font-weight: 500;
  font-display: swap;
  src: url('fonts/eb-garamond-italic-500.woff2') format('woff2');
}
@font-face {
  font-family: 'Cinzel';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/cinzel-400.woff2') format('woff2');
}
@font-face {
  font-family: 'Cinzel';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('fonts/cinzel-600.woff2') format('woff2');
}
/* runic and ogham glyphs (curse tablets, herbarium) — active only in their blocks */
@font-face {
  font-family: 'Noto Sans Runic';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  unicode-range: U+16A0-16FF;
  src: url('fonts/noto-sans-runic.woff2') format('woff2');
}
@font-face {
  font-family: 'Noto Sans Ogham';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  unicode-range: U+1680-169F;
  src: url('fonts/noto-sans-ogham.woff2') format('woff2');
}

/* ---------- design tokens ---------- */

:root {
  --bg: #f5eeda;
  --bg-deep: #ece2c8;
  --glow: rgba(255, 255, 252, 0.95);
  --glow-fade: rgba(255, 255, 252, 0);
  --text: #3a2f22;
  --soft: #7a6a52;
  --accent: #8c2f1b;      /* rubric red */
  --ember: #8c2f1b;
  --rule: #d8cdb4;
  --panel: rgba(90, 74, 50, 0.06);
  --panel-border: rgba(140, 47, 27, 0.45);
  --chrome-bg: rgba(245, 238, 218, 0.88);
  --seam: '◆ ◆ ◆ ◆ ◆';
  --orn: '◆';
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --bg: #242a31;
    --bg-deep: #1c2127;
    --glow: rgba(70, 80, 95, 0.35);
    --glow-fade: rgba(70, 80, 95, 0);
    --text: #e9e1cb;
    --soft: #b3aa93;
    --accent: #c2a15a;    /* gilt */
    --ember: #b85c3e;
    --rule: #454d56;
    --panel: rgba(194, 161, 90, 0.08);
    --panel-border: rgba(194, 161, 90, 0.5);
    --chrome-bg: rgba(28, 33, 39, 0.88);
    --seam: '· ✦ ·';
    --orn: '✦';
  }
}
:root[data-theme='dark'] {
  --bg: #242a31;
  --bg-deep: #1c2127;
  --glow: rgba(70, 80, 95, 0.35);
  --glow-fade: rgba(70, 80, 95, 0);
  --text: #e9e1cb;
  --soft: #b3aa93;
  --accent: #c2a15a;
  --ember: #b85c3e;
  --rule: #454d56;
  --panel: rgba(194, 161, 90, 0.08);
  --panel-border: rgba(194, 161, 90, 0.5);
  --chrome-bg: rgba(28, 33, 39, 0.88);
  --seam: '· ✦ ·';
  --orn: '✦';
}

/* ---------- base ---------- */

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

[hidden] {
  display: none !important;
}

html {
  background: var(--bg-deep);
}

body {
  font-family: 'EB Garamond', 'Noto Sans Runic', 'Noto Sans Ogham', Georgia, 'Times New Roman', serif;
  font-size: 1.16rem;
  line-height: 1.72;
  color: var(--text);
  background: radial-gradient(ellipse at 50% -10%, var(--glow), var(--glow-fade) 60%), var(--bg);
  min-height: 100vh;
  animation: settle 1.2s ease-out both;
  -webkit-text-size-adjust: 100%;
}

@keyframes settle {
  from { opacity: 0; }
  to { opacity: 1; }
}

::selection {
  background: var(--accent);
  color: var(--bg);
}

main {
  max-width: 44rem;
  margin: 0 auto;
  padding: 2.4rem 1.4rem 4.5rem;
}

em { font-style: italic; }
strong { font-weight: 600; }

a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

button {
  font: inherit;
  color: var(--soft);
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 0.25rem 0.85rem;
  cursor: pointer;
  font-variant: small-caps;
  letter-spacing: 0.05em;
}

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

/* ---------- chrome ---------- */

.chrome {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.65rem max(1.1rem, env(safe-area-inset-left)) 0.6rem max(1.1rem, env(safe-area-inset-right));
  padding-top: max(0.65rem, env(safe-area-inset-top));
  background: var(--chrome-bg);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}

.wordmark {
  font-family: 'Cinzel', 'Trajan Pro', serif;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.3em;
  color: var(--text);
  text-decoration: none;
}

.controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

#theme-toggle {
  width: 2.1rem;
  height: 2.1rem;
  padding: 0;
  border-radius: 50%;
  font-size: 1.05rem;
  line-height: 1;
}

/* ---------- frontis / headings ---------- */

.eyebrow {
  text-align: center;
  font-variant: small-caps;
  letter-spacing: 0.22em;
  font-size: 0.85rem;
  color: var(--soft);
  margin: 0.6rem 0 1.6rem;
}

.frontis {
  text-align: center;
  margin: 2.2rem 0 3rem;
}

.frontis h1 {
  font-family: 'Cinzel', 'Trajan Pro', serif;
  font-weight: 600;
  font-size: clamp(2.6rem, 8vw, 4rem);
  letter-spacing: 0.28em;
  text-indent: 0.28em;
  color: var(--text);
}

.frontis .gloss-title {
  font-style: italic;
  color: var(--soft);
  margin-top: 0.6rem;
  font-size: 1.15rem;
}

.seam::before,
.frontis .seam::before {
  content: var(--seam);
}

.seam {
  color: var(--soft);
  font-size: 0.65rem;
  letter-spacing: 0.9em;
  text-indent: 0.9em;
  margin-top: 1.6rem;
}

article h1 {
  font-family: 'Cinzel', 'Trajan Pro', serif;
  font-weight: 600;
  font-size: clamp(1.45rem, 4.6vw, 2.2rem);
  letter-spacing: 0.09em;
  line-height: 1.35;
  text-align: center;
  color: var(--text);
  margin: 0 0 2.6rem;
}

article h1::after {
  content: var(--seam);
  display: block;
  font-family: 'EB Garamond', serif;
  font-size: 0.55rem;
  font-weight: 400;
  letter-spacing: 0.9em;
  text-indent: 0.9em;
  color: var(--soft);
  margin-top: 1.5rem;
}

article h2 {
  font-variant: small-caps;
  font-weight: 600;
  font-size: 1.5rem;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin: 3.2rem 0 0.9rem;
}

article h2::before {
  content: var(--orn);
  display: block;
  text-align: center;
  font-size: 0.6rem;
  font-variant: normal;
  letter-spacing: 0;
  color: var(--soft);
  opacity: 0.75;
  margin-bottom: 2.6rem;
}

article h3 {
  font-weight: 500;
  font-style: italic;
  font-size: 1.2rem;
  color: var(--text);
  margin: 2rem 0 0.7rem;
}

article p {
  margin: 0 0 1.15rem;
}

.dropcap::first-letter {
  font-family: 'Cinzel', serif;
  font-weight: 600;
  font-size: 3.4em;
  float: left;
  line-height: 0.82;
  padding: 0.06em 0.12em 0 0;
  color: var(--accent);
}

article hr {
  border: none;
  border-top: 1px solid var(--rule);
  width: 55%;
  margin: 2.8rem auto;
}

article ul,
article ol {
  margin: 0 0 1.15rem;
  padding-left: 1.6rem;
}

article li {
  margin-bottom: 0.35rem;
}

/* ---------- blockquotes: quotations, callouts, envoi verse ---------- */

article blockquote {
  border-left: 2px solid var(--rule);
  padding: 0.15rem 0 0.15rem 1.2rem;
  margin: 1.4rem 0;
  color: var(--soft);
}

article blockquote p {
  margin-bottom: 0.55rem;
}
article blockquote p:last-child {
  margin-bottom: 0;
}

article blockquote.callout {
  background: var(--panel);
  border-left: 3px solid var(--panel-border);
  padding: 0.9rem 1.2rem;
  font-size: 1.05rem;
  color: var(--text);
}

article blockquote.callout > p:first-child > strong:first-child {
  font-variant: small-caps;
  letter-spacing: 0.08em;
  font-weight: 600;
  color: var(--accent);
}

article blockquote.envoi {
  border-left: 3px solid var(--ember);
  padding: 0.4rem 0 0.4rem 1.3rem;
  color: var(--text);
}

article blockquote.envoi p {
  font-size: 1.28rem;
  font-weight: 500;
  margin-bottom: 0.55rem;
}

/* ---------- details: the self-test reveals ---------- */

article details {
  border: 1px solid var(--rule);
  border-radius: 5px;
  margin: 0.9rem 0;
  padding: 0;
}

article details[open] {
  background: var(--panel);
}

article summary {
  list-style: none;
  cursor: pointer;
  padding: 0.6rem 0.9rem 0.6rem 2rem;
  position: relative;
  -webkit-tap-highlight-color: transparent;
}

article summary::-webkit-details-marker {
  display: none;
}

article summary::before {
  content: '▸';
  position: absolute;
  left: 0.8rem;
  color: var(--accent);
  transition: transform 0.18s ease;
}

article details[open] > summary::before {
  transform: rotate(90deg);
}

article details > *:not(summary) {
  margin-left: 2rem;
  margin-right: 0.9rem;
}

article details > p:last-child {
  padding-bottom: 0.7rem;
  margin-bottom: 0;
}

/* ---------- tables ---------- */

.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 1.2rem 0 1.4rem;
}

article table {
  width: 100%;
  min-width: max-content;
  border-collapse: collapse;
  font-size: 1.02rem;
}

article th {
  font-variant: small-caps;
  letter-spacing: 0.06em;
  font-weight: 600;
  text-align: left;
  color: var(--soft);
  border-bottom: 1.5px solid var(--rule);
  padding: 0.35rem 0.9rem 0.35rem 0;
  white-space: nowrap;
}

article td {
  border-bottom: 1px solid var(--rule);
  padding: 0.45rem 0.9rem 0.45rem 0;
  vertical-align: top;
}

article td:last-child,
article th:last-child {
  padding-right: 0.2rem;
}

/* ---------- code: the SATOR square must stay square ---------- */

article pre {
  font-family: ui-monospace, 'SF Mono', Menlo, Consolas, 'Cascadia Mono', monospace;
  font-size: 0.98rem;
  line-height: 1.45;
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: 5px;
  padding: 0.9rem 1.1rem;
  overflow-x: auto;
  margin: 1.2rem 0 1.4rem;
}

article code {
  font-family: ui-monospace, 'SF Mono', Menlo, Consolas, 'Cascadia Mono', monospace;
  font-size: 0.95em;
}

/* ---------- doc footer: pager + read mark ---------- */

.doc-footer {
  max-width: 44rem;
  margin: 0 auto;
  padding: 0 1.4rem 3.5rem;
}

.pager {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  border-top: 1px solid var(--rule);
  padding-top: 1.3rem;
  margin-bottom: 1.6rem;
}

.pager a {
  max-width: 46%;
  color: var(--text);
  text-decoration: none;
  font-size: 1rem;
  line-height: 1.4;
}

.pager-next {
  text-align: right;
  margin-left: auto;
}

.pager-label {
  display: block;
  font-variant: small-caps;
  letter-spacing: 0.1em;
  font-size: 0.85rem;
  color: var(--accent);
}

.doc-footer-row {
  text-align: center;
}

#read-toggle.read {
  color: var(--accent);
  border-color: var(--accent);
}

/* ---------- shelf ---------- */

.continue-card {
  display: block;
  border: 1px solid var(--rule);
  border-left: 3px solid var(--accent);
  border-radius: 4px;
  padding: 0.75rem 1.1rem;
  margin: 0 0 2rem;
  color: var(--text);
  text-decoration: none;
}

.continue-label {
  display: block;
  font-variant: small-caps;
  letter-spacing: 0.12em;
  font-size: 0.9rem;
  color: var(--accent);
}

.shelf-section h2 {
  font-variant: small-caps;
  font-weight: 600;
  font-size: 1.35rem;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin: 2.6rem 0 0.4rem;
}

.shelf-list {
  list-style: none;
}

.shelf-list li {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  border-bottom: 1px solid var(--rule);
}

.shelf-list a {
  flex: 1;
  padding: 0.62rem 0;
  color: var(--text);
  text-decoration: none;
}

.read-mark {
  flex: none;
  width: 1.05rem;
  height: 1.05rem;
  padding: 0;
  border: 1.5px solid var(--soft);
  border-radius: 50%;
  opacity: 0.75;
}

.read-mark.read {
  background: var(--accent);
  border-color: var(--accent);
  opacity: 1;
}

.shelf-footer {
  max-width: 44rem;
  margin: 0 auto;
  padding: 0 1.4rem 3.5rem;
  text-align: center;
  font-size: 1rem;
  color: var(--soft);
}

.shelf-footer .dot {
  margin: 0 0.6rem;
}

/* ---------- search ---------- */

#search-input {
  width: 100%;
  font: inherit;
  font-size: 1.05rem;
  color: var(--text);
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 0.6rem 0.95rem;
  -webkit-appearance: none;
}

#search-input::placeholder {
  color: var(--soft);
  font-style: italic;
  opacity: 0.8;
}

.search-results {
  list-style: none;
  margin-top: 0.4rem;
}

.search-results li {
  border-bottom: 1px solid var(--rule);
  padding: 0.7rem 0;
}

.search-results a {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
}

.search-results .result-section {
  font-variant: small-caps;
  letter-spacing: 0.08em;
  font-size: 0.85rem;
  color: var(--accent);
  margin-left: 0.6rem;
}

.search-results .snippet {
  display: block;
  font-size: 0.98rem;
  color: var(--soft);
}

.search-results mark {
  background: transparent;
  color: var(--accent);
  font-weight: 600;
}

.search-results .no-results {
  color: var(--soft);
  font-style: italic;
}

/* ---------- drills ---------- */

.drill-entry h2 a {
  color: inherit;
  text-decoration: none;
}

.drills-note {
  text-align: center;
  color: var(--soft);
}

/* ---------- toast ---------- */

.toast {
  position: fixed;
  bottom: calc(1.3rem + env(safe-area-inset-bottom));
  left: 50%;
  transform: translateX(-50%);
  z-index: 60;
  background: var(--text);
  color: var(--bg);
  font-size: 0.98rem;
  padding: 0.65rem 1.3rem;
  border-radius: 999px;
  box-shadow: 0 4px 22px rgba(0, 0, 0, 0.28);
  cursor: pointer;
  white-space: nowrap;
}

/* ---------- motion & print ---------- */

@media (prefers-reduced-motion: reduce) {
  body {
    animation: none;
  }
  article summary::before {
    transition: none;
  }
}

@media (max-width: 520px) {
  body {
    font-size: 1.08rem;
  }
  article th,
  article td {
    padding-right: 0.55rem;
  }
}

@media print {
  .chrome,
  .doc-footer,
  .shelf-footer,
  .toast,
  .controls {
    display: none !important;
  }
  html,
  body {
    background: #fff;
  }
  body {
    color: #000;
    animation: none;
    font-size: 11pt;
  }
  article details {
    border: none;
  }
  article summary::before {
    content: '';
  }
  .table-scroll,
  article pre,
  article blockquote {
    break-inside: avoid;
  }
  article h2 {
    break-after: avoid;
  }
}