/* EnglishToArabic.org — single shared stylesheet.
   Goals: 0 KB font payload, near-perfect Core Web Vitals,
   readable on every device, RTL-correct for Arabic spans.
   The homepage carries a small inline-JS translator widget;
   every other page is plain HTML + this stylesheet. */

:root {
  --bg: #f5efe4;
  --bg-soft: #ede4d2;
  --ink: #1a1612;
  --ink-soft: #5a5246;
  --ink-muted: #8a8170;
  --rule: #d8cdb8;
  --rule-soft: #e6dcc6;
  --accent: #8c2a1f;
  --accent-soft: #b15a4f;
  --serif: "Iowan Old Style", "Charter", "Constantia", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Helvetica", "Arial", sans-serif;
  --arabic: "Amiri", "Geeza Pro", "Damascus", "Noto Naskh Arabic", "Traditional Arabic", "Scheherazade New", serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 4rem 1.5rem 6rem;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--rule);
  padding-bottom: 1.5rem;
  margin-bottom: 3rem;
}
.site-title {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 0.25rem;
}
.site-title a {
  color: var(--ink);
  text-decoration: none;
}
.tagline {
  font-family: var(--sans);
  font-size: 0.78rem;
  color: var(--ink-muted);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin: 0;
}

/* Lede paragraph (homepage intro) */
.lede {
  font-size: 1.2rem;
  line-height: 1.55;
  margin: 0 0 4rem;
  color: var(--ink);
}
.lede em {
  font-style: italic;
  color: var(--ink-soft);
}

/* Sections (homepage entries) */
.entry {
  margin-bottom: 3.5rem;
}
.entry h2 {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.005em;
  margin: 0 0 0.35rem;
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
}
.entry h2 .num {
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--accent);
  text-transform: uppercase;
  flex-shrink: 0;
  width: 2rem;
}
.entry h2 a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.12s ease;
}
.entry h2 a:hover { border-bottom-color: var(--ink); }

.entry-desc {
  font-style: italic;
  color: var(--ink-soft);
  margin: 0 0 1.25rem;
  font-size: 1rem;
  padding-left: 2.85rem;
}

/* Page lists */
ul.pages {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--rule);
}
ul.pages li {
  border-bottom: 1px solid var(--rule);
}
ul.pages a {
  color: var(--ink);
  text-decoration: none;
  display: block;
  padding: 0.65rem 0;
  transition: color 0.1s ease, padding-left 0.12s ease;
}
ul.pages a:hover {
  color: var(--accent);
  padding-left: 0.25rem;
}
ul.pages .arrow {
  color: var(--ink-muted);
  margin-right: 0.5rem;
  font-family: var(--sans);
  display: inline-block;
  width: 1rem;
}
ul.pages a:hover .arrow { color: var(--accent); }

/* Sub-page common elements */
.breadcrumbs {
  font-family: var(--sans);
  font-size: 0.78rem;
  color: var(--ink-muted);
  letter-spacing: 0.04em;
  margin: 0 0 2rem;
}
.breadcrumbs a {
  color: var(--ink-muted);
  text-decoration: none;
  border-bottom: 1px dotted var(--rule);
}
.breadcrumbs a:hover { color: var(--accent); border-bottom-color: var(--accent); }
.breadcrumbs .sep { margin: 0 0.5rem; opacity: 0.5; }

article h1 {
  font-family: var(--serif);
  font-size: 2.1rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 0 0 0.5rem;
  line-height: 1.2;
}
article .subtitle {
  font-style: italic;
  color: var(--ink-soft);
  font-size: 1.15rem;
  margin: 0 0 2.5rem;
}
article h2 {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 600;
  margin: 2.5rem 0 0.75rem;
  letter-spacing: -0.005em;
}
article h3 {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 1.75rem 0 0.5rem;
}
article p { margin: 0 0 1.1rem; }
article a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--accent-soft);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
article a:hover {
  color: var(--accent);
  text-decoration-color: var(--accent);
}
article blockquote {
  border-left: 2px solid var(--accent-soft);
  margin: 1.5rem 0;
  padding: 0.25rem 0 0.25rem 1.25rem;
  color: var(--ink-soft);
  font-style: italic;
}
article ul, article ol { padding-left: 1.5rem; margin: 0 0 1.1rem; }
article li { margin-bottom: 0.4rem; }
article hr {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 3rem 0;
}

/* Phrase / vocabulary tables */
.entries {
  margin: 1.5rem 0 2rem;
  border-top: 1px solid var(--rule);
}
.entries .row {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 1.5rem;
  border-bottom: 1px solid var(--rule);
  padding: 1rem 0;
  align-items: baseline;
}
.entries .english {
  font-family: var(--serif);
  color: var(--ink-soft);
  font-style: italic;
}
.entries .arabic-block { text-align: right; }
.entries .arabic {
  font-family: var(--arabic);
  font-size: 1.4rem;
  line-height: 1.6;
  color: var(--ink);
  direction: rtl;
  unicode-bidi: isolate;
  display: block;
}
.entries .translit {
  font-family: var(--sans);
  font-size: 0.82rem;
  color: var(--ink-muted);
  letter-spacing: 0.02em;
  margin-top: 0.2rem;
  display: block;
  direction: ltr;
}
.entries .note {
  grid-column: 1 / -1;
  font-size: 0.92rem;
  color: var(--ink-soft);
  font-style: italic;
  border-top: 1px dashed var(--rule-soft);
  padding-top: 0.5rem;
  margin-top: 0.25rem;
}

/* Inline Arabic */
.ar {
  font-family: var(--arabic);
  direction: rtl;
  unicode-bidi: isolate;
  font-size: 1.1em;
}

/* Letter cards (for /script/letters/) */
.letter-display {
  text-align: center;
  padding: 2.5rem 1rem;
  background: var(--bg-soft);
  border: 1px solid var(--rule);
  margin: 2rem 0;
}
.letter-display .glyph {
  font-family: var(--arabic);
  font-size: 5rem;
  line-height: 1;
  color: var(--ink);
  display: block;
  margin-bottom: 0.5rem;
}
.letter-display .name {
  font-family: var(--sans);
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

/* Forms grid (initial / medial / final / isolated) */
.forms {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  margin: 1.5rem 0 2rem;
}
.forms .form {
  background: var(--bg);
  padding: 1.25rem 0.75rem;
  text-align: center;
}
.forms .form .glyph {
  font-family: var(--arabic);
  font-size: 2.2rem;
  line-height: 1;
  display: block;
  margin-bottom: 0.5rem;
}
.forms .form .label {
  font-family: var(--sans);
  font-size: 0.7rem;
  color: var(--ink-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Related-pages block at bottom of article */
.related {
  border-top: 1px solid var(--rule);
  margin-top: 4rem;
  padding-top: 1.5rem;
}
.related h3 {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 0 0 0.75rem;
}
.related ul { list-style: none; padding: 0; margin: 0; }
.related li { padding: 0.35rem 0; }
.related a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px dotted var(--rule);
}
.related a:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* Footer */
footer {
  border-top: 1px solid var(--rule);
  padding-top: 2rem;
  margin-top: 5rem;
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--ink-muted);
}
footer .links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
footer a {
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1px dotted var(--rule);
}
footer a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
footer .colophon {
  margin: 0;
  font-size: 0.78rem;
  color: var(--ink-muted);
}

/* Mobile */
@media (max-width: 640px) {
  body { font-size: 17px; }
  .wrap { padding: 2.5rem 1.25rem 4rem; }
  .lede { font-size: 1.08rem; margin-bottom: 3rem; }
  .entry { margin-bottom: 3rem; }
  .entry h2 { font-size: 1.2rem; gap: 0.6rem; }
  .entry h2 .num { width: auto; }
  .entry-desc { padding-left: 0; }
  article h1 { font-size: 1.7rem; }
  article .subtitle { font-size: 1.05rem; }
  .entries .row { grid-template-columns: 1fr; gap: 0.5rem; }
  .entries .arabic-block { text-align: right; }
  .forms { grid-template-columns: repeat(2, 1fr); }
  .letter-display .glyph { font-size: 4rem; }
}

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

/* Translator widget (homepage only) */
.translator {
  border: 1px solid var(--rule);
  background: var(--bg-soft);
  margin: 0 0 4rem;
}
.translator-header {
  display: flex;
  align-items: stretch;
  border-bottom: 1px solid var(--rule);
  background: var(--bg);
  position: relative;
}
.translator-lang {
  flex: 1;
  padding: 0.65rem 1rem;
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  text-align: center;
  background: none;
  border: none;
  cursor: default;
  user-select: none;
}
.translator-swap {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 32px;
  height: 32px;
  border: 1px solid var(--rule);
  background: var(--bg);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-soft);
  padding: 0;
  transition: color 0.12s ease, border-color 0.12s ease;
}
.translator-swap:hover { color: var(--accent); border-color: var(--accent); }
.translator-swap svg { width: 16px; height: 16px; display: block; }
.translator-panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.translator-panel {
  padding: 1rem 1.25rem 0.5rem;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  min-height: 160px;
}
.translator-panel.source { border-right: 1px solid var(--rule); }
.translator-input,
.translator-output {
  flex: 1;
  width: 100%;
  border: none;
  outline: none;
  background: transparent;
  resize: none;
  font-family: var(--serif);
  font-size: 1.05rem;
  line-height: 1.5;
  color: var(--ink);
  padding: 0;
  min-height: 100px;
}
.translator-input::placeholder,
.translator-output:empty::before {
  color: var(--ink-muted);
  font-style: italic;
}
.translator-output:empty::before { content: attr(data-placeholder); }
.translator-input.rtl,
.translator-output.rtl {
  font-family: var(--arabic);
  font-size: 1.25rem;
  line-height: 1.7;
  direction: rtl;
  text-align: right;
}
.translator-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px dashed var(--rule-soft);
  font-family: var(--sans);
  font-size: 0.75rem;
  color: var(--ink-muted);
  letter-spacing: 0.04em;
}
.translator-counter { font-variant-numeric: tabular-nums; }
.translator-button {
  font-family: var(--sans);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--bg);
  background: var(--accent);
  border: none;
  padding: 0.5rem 1rem;
  cursor: pointer;
  transition: background 0.12s ease;
}
.translator-button:hover { background: var(--ink); }
.translator-button:disabled {
  background: var(--rule);
  color: var(--ink-muted);
  cursor: not-allowed;
}
.translator-icon-button {
  background: none;
  border: none;
  padding: 4px;
  cursor: pointer;
  color: var(--ink-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color 0.12s ease;
}
.translator-icon-button:hover { color: var(--accent); }
.translator-icon-button svg { width: 16px; height: 16px; display: block; }
.translator-credit {
  padding: 0.6rem 1rem;
  border-top: 1px solid var(--rule);
  font-family: var(--sans);
  font-size: 0.72rem;
  color: var(--ink-muted);
  letter-spacing: 0.02em;
  text-align: center;
  background: var(--bg-soft);
}
.translator-credit a {
  color: var(--ink-soft);
  border-bottom: 1px dotted var(--rule);
  text-decoration: none;
}
.translator-credit a:hover { color: var(--accent); border-bottom-color: var(--accent); }

@media (max-width: 640px) {
  .translator-panels { grid-template-columns: 1fr; }
  .translator-panel.source {
    border-right: none;
    border-bottom: 1px solid var(--rule);
  }
  .translator-swap { transform: translate(-50%, -50%) rotate(90deg); }
}