/* ─────────────────────────────────────────────────────────────
   Legal / About prose pages — shared stylesheet
   Dark industrial premium, matches index.html palette.
   ───────────────────────────────────────────────────────────── */

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('/fonts/InterVariable.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: italic;
  font-weight: 100 900;
  font-display: swap;
  src: url('/fonts/InterVariable-Italic.woff2') format('woff2');
}

:root {
  --bg-0: #0b0b0d;
  --bg-1: #131318;
  --bg-2: #1a1a20;
  --border-faint: #1f1f26;
  --border-default: #2a2a33;
  --border-strong: #3a3a45;
  --text-primary: #f5f5f7;
  --text-secondary: #a8a8b0;
  --text-tertiary: #6b6b75;
  --text-disabled: #4a4a52;
  --accent: #0ea5e9;
  --accent-hover: #38bdf8;
  --accent-deep: #2563eb;
  --accent-soft: rgba(14, 165, 233, 0.10);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
  background: var(--bg-0);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
  line-height: 1.65;
  font-size: 15px;
  letter-spacing: -0.005em;
}

/* ─── Header (shared with index.html) ─────────────────────────────── */
header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(11, 11, 13, 0.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border-faint);
}
.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 20px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
}
/* ── Brand logo PNG (allineato all'index.html) ─────────────────────── */
.brand-logo-img {
  height: 56px;
  width: auto;
  display: block;
  background: #ffffff;
  border-radius: 10px;
  padding: 6px 10px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.18);
  flex-shrink: 0;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name { font-size: 16px; font-weight: 700; letter-spacing: -0.01em; color: var(--text-primary); }
.brand-sub { font-size: 11px; font-weight: 500; color: var(--text-tertiary); letter-spacing: 0.04em; text-transform: uppercase; margin-top: 2px; }

/* ── Header navbar (allineato a chat.css — pattern minimal Vercel/Linear).
   Font tokens identici a chat.css: header-meta + header-link 12px (--text-sm
   nei tokens), brand-name 16px, brand-sub 11px. Fix 2026-05-29 per
   uniformita\` con la homepage che usava token 12px. */
.header-meta {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12px;
  color: var(--text-tertiary);
}
.header-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 8px 4px;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  min-height: 32px;
  transition: color 180ms cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}
.header-link:hover { color: var(--text-primary); }
.header-link.active { color: var(--accent); }
.header-link::after {
  content: '';
  position: absolute;
  left: 4px;
  right: 4px;
  bottom: 2px;
  height: 1.5px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms cubic-bezier(0.16, 1, 0.3, 1);
}
.header-link:hover::after,
.header-link.active::after { transform: scaleX(1); }
.header-link svg { width: 14px; height: 14px; }

/* ─── Lang switcher IT/EN — allineato a chat.css (homepage) ────────── */
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid #2a2a33; /* token color-border-default — match chat.css */
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-tertiary);
}
.lang-btn {
  background: none;
  border: none;
  padding: 2px 6px;
  cursor: pointer;
  font: inherit;
  color: var(--text-tertiary);
  border-radius: 4px;
  transition: color 180ms cubic-bezier(0.16, 1, 0.3, 1);
}
.lang-btn:hover { color: var(--text-primary); }
.lang-btn[aria-pressed="true"] { color: var(--text-primary); }
.lang-sep { opacity: 0.4; }

/* ── Status dot "Liara online" — sync EXACT con chat.css (homepage) ──
 * Valori literal = stessi token che usa chat.css via tokens.css:
 *   --color-success           = #34d399
 *   --font-mono               = ui-monospace, 'SF Mono', SFMono-Regular,
 *                               Menlo, Consolas, monospace
 *   --text-xs                 = 11px
 *   --tracking-wide           = 0.02em
 *   --radius-pill             = 9999px
 *   --color-text-tertiary     = #6b6b75 (gia\` mappato via --text-tertiary)
 * Keyframe `pulse` riusato (homepage lo definisce in chat.css; legal lo
 * ridefinisce qui per garantire animazione anche su pagine senza chat.css).
 */
.status-dot {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: ui-monospace, 'SF Mono', SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
  letter-spacing: 0.02em;
  color: var(--text-tertiary);
}
.status-dot::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 9999px;
  background: #34d399;
  box-shadow: 0 0 8px #34d399;
  animation: pulse 2s ease-in-out infinite;
}
.status-dot[data-state="offline"]::before {
  background: #ef4444;
  box-shadow: 0 0 8px #ef4444;
  animation: none;
}
.status-dot[data-state="unknown"]::before {
  background: #f59e0b;
  box-shadow: 0 0 8px #f59e0b;
  animation: pulse 1.2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.5; }
}

/* ─── Prose container ─────────────────────────────────────────────── */
main {
  flex: 1;
  display: flex;
  flex-direction: column;
}
.prose-wrap {
  /* 2026-05-29: 760px → 1000px per evitare effetto "trafiletto" su display
   * desktop wide. 1000px e\` la soglia leggibilita\` ottimale (≈80 chars/line). */
  max-width: 1000px;
  margin: 0 auto;
  padding: 48px 24px 96px;
  width: 100%;
}
/* Justified text per paragrafi: layout editoriale tipografico,
 * hyphenation conservativa per evitare gap troppo grandi tra parole. */
.prose-wrap p {
  text-align: justify;
  hyphens: auto;
  -webkit-hyphens: auto;
}
/* La lede iniziale resta a left per impatto visivo (no justify gap). */
.prose-wrap .lede { text-align: left; hyphens: manual; }
.prose-eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.prose-wrap h1 {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.prose-wrap .lede {
  font-size: 17px;
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.55;
}
.prose-wrap .meta {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-faint);
  font-family: ui-monospace, 'SF Mono', SFMono-Regular, Menlo, Consolas, monospace;
}
.prose-wrap h2 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin: 48px 0 16px;
  color: var(--text-primary);
  scroll-margin-top: 80px;
}
.prose-wrap h3 {
  font-size: 16px;
  font-weight: 700;
  margin: 32px 0 12px;
  color: var(--text-primary);
}
.prose-wrap p {
  margin: 0 0 16px;
  color: var(--text-secondary);
  line-height: 1.7;
}
.prose-wrap ul, .prose-wrap ol {
  margin: 0 0 20px 22px;
  color: var(--text-secondary);
}
.prose-wrap li { margin-bottom: 8px; line-height: 1.65; }
.prose-wrap li::marker { color: var(--accent); }
.prose-wrap strong { color: var(--text-primary); font-weight: 600; }
.prose-wrap em { color: var(--text-primary); font-style: italic; }
.prose-wrap a {
  color: var(--accent-hover);
  text-decoration: underline;
  text-decoration-color: rgba(56, 189, 248, 0.4);
  text-underline-offset: 3px;
  transition: text-decoration-color 0.15s;
}
.prose-wrap a:hover { text-decoration-color: var(--accent-hover); }

.prose-wrap code {
  font-family: ui-monospace, 'SF Mono', SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  background: var(--bg-1);
  border: 1px solid var(--border-faint);
  border-radius: 5px;
  padding: 2px 6px;
  color: var(--text-primary);
}

.prose-wrap blockquote {
  margin: 24px 0;
  padding: 16px 20px;
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  border-radius: 0 10px 10px 0;
  color: var(--text-secondary);
}
.prose-wrap blockquote p { margin: 0; }

/* ── Author card (about page footer) ─────────────────────────────────── */
.author-card {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin: 32px 0 0;
  padding: 20px;
  border: 1px solid var(--border-faint);
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent-soft) 0%, rgba(0,0,0,0) 60%);
}
.author-card__photo {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 2px solid var(--accent);
  box-shadow: 0 4px 12px rgba(0,0,0,0.25);
}
.author-card__caption {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.author-card__name {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}
.author-card__role {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.author-card__bio {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
  text-align: justify;
  hyphens: auto;
  -webkit-hyphens: auto;
}
.author-card__links {
  margin: 6px 0 0;
  font-size: 12px;
}
.author-card__links a {
  color: var(--accent);
  text-decoration: none;
}
.author-card__links a:hover { text-decoration: underline; }

@media (max-width: 540px) {
  .author-card { flex-direction: column; align-items: center; text-align: center; }
  .author-card__bio { text-align: left; }
}

.prose-table {
  width: 100%;
  margin: 16px 0 24px;
  border-collapse: collapse;
  font-size: 14px;
}
.prose-table th, .prose-table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border-faint);
  vertical-align: top;
}
.prose-table th {
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  background: var(--bg-1);
}
.prose-table tr:last-child td { border-bottom: none; }

.toc {
  background: var(--bg-1);
  border: 1px solid var(--border-faint);
  border-radius: 12px;
  padding: 20px 24px;
  margin-bottom: 40px;
}
.toc-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 12px;
}
.toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: toc;
}
.toc li {
  counter-increment: toc;
  margin: 4px 0;
  font-size: 14px;
}
.toc li::before {
  content: counter(toc, decimal-leading-zero) ".";
  color: var(--text-disabled);
  font-family: ui-monospace, 'SF Mono', SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  margin-right: 10px;
}

/* ─── Footer (shared with index.html, condensed) ──────────────────── */
.page-foot {
  margin-top: auto;
  padding: 32px 24px;
  background: var(--bg-1);
  border-top: 1px solid var(--border-faint);
}
.page-foot-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-family: ui-monospace, 'SF Mono', SFMono-Regular, Menlo, Consolas, monospace;
  color: var(--text-tertiary);
  font-style: normal;
  letter-spacing: 0.02em;
}
.page-foot-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 6px;
}
.page-foot-row.legal { color: var(--text-disabled); font-size: 10.5px; }
.page-foot a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.15s;
}
.page-foot a:hover { color: var(--accent); }
.page-foot .sep { color: var(--border-default); }

@media (max-width: 640px) {
  .prose-wrap { padding: 32px 20px 64px; }
  .prose-wrap h1 { font-size: 28px; }
  .prose-wrap h2 { font-size: 19px; }
  .header-nav a { padding: 8px 10px; font-size: 12px; }
  .brand-sub { display: none; }
}