/* ============================================================
   ARPEDIO Support — docs layer on top of the marketing design system.
   Loads AFTER https://arpedio.com/assets/css/styles.css (tokens, fonts,
   base type, footer). Everything here is support-site-only; all new
   classes are prefixed support- / release- per the support-site spec.
   ============================================================ */

/* ---- Header ---- */
.support-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-surface-light);
  border-bottom: 1px solid var(--color-border-light);
}
.support-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.support-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0;
}
.support-logo svg { height: 22px; width: auto; display: block; }
.support-wordmark {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-secondary);
  border-left: 1px solid var(--color-border-light);
  padding-left: 12px;
  line-height: 1;
}
.support-header-spacer { flex: 1; }
.support-search-form { display: flex; align-items: center; }
.support-search-input {
  font-family: inherit;
  font-size: 14px;
  padding: 8px 14px;
  border: 1px solid var(--color-border-light);
  border-radius: 6px;
  background: var(--color-surface-subtle);
  color: var(--color-text-primary);
  width: 220px;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.support-search-input:focus {
  outline: none;
  border-color: var(--color-brand-green);
  background: var(--color-surface-light);
}
.support-login-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-primary);
  text-decoration: none;
  padding: 8px 14px;
  border: 1px solid var(--color-border-light);
  border-radius: 6px;
  white-space: nowrap;
  transition: border-color 0.15s ease;
}
.support-login-link:hover { border-color: var(--color-text-primary); }
.support-login-link .lock { font-size: 12px; margin-right: 4px; }

/* ---- Breadcrumb ---- */
.support-breadcrumb {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: 24px;
}
.support-breadcrumb a { color: var(--color-text-secondary); text-decoration: none; }
.support-breadcrumb a:hover { color: var(--color-brand-green); }
.support-breadcrumb .sep { margin: 0 6px; color: var(--color-border-light); }

/* ---- Three-column docs layout ---- */
.support-layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px 80px;
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) 200px;
  gap: 48px;
  align-items: start;
}
.support-layout.no-toc { grid-template-columns: 220px minmax(0, 1fr); }

/* Left rail — category nav */
.support-sidenav {
  position: sticky;
  top: 96px;
  font-size: 14px;
}
.support-sidenav h2 {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin: 0 0 10px;
}
.support-sidenav ul { list-style: none; margin: 0 0 28px; padding: 0; }
.support-sidenav li { margin: 0; }
.support-sidenav a {
  display: block;
  padding: 5px 10px;
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: 5px;
  line-height: 1.4;
}
.support-sidenav a:hover { color: var(--color-text-primary); background: var(--color-surface-subtle); }
.support-sidenav a.active {
  color: var(--color-brand-green);
  font-weight: 500;
  background: var(--color-surface-subtle);
}

/* Right rail — in-article TOC */
.support-toc {
  position: sticky;
  top: 96px;
  font-size: 13px;
}
.support-toc h2 {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin: 0 0 10px;
}
.support-toc ul { list-style: none; margin: 0; padding: 0; border-left: 2px solid var(--color-border-light); }
.support-toc a {
  display: block;
  padding: 4px 0 4px 12px;
  color: var(--color-text-secondary);
  text-decoration: none;
  line-height: 1.4;
  border-left: 2px solid transparent;
  margin-left: -2px;
}
.support-toc a:hover { color: var(--color-text-primary); }
.support-toc a.active { color: var(--color-brand-green); border-left-color: var(--color-brand-green); }

/* ---- Article ---- */
.support-article { max-width: 680px; }
.support-article h1 {
  font-size: 32px;
  font-weight: 600;
  line-height: 1.25;
  margin: 0 0 12px;
}
.support-article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-size: 13px;
  color: var(--color-text-secondary);
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border-light);
  margin-bottom: 28px;
}
.support-article-meta .applies-to strong { font-weight: 500; color: var(--color-text-primary); }
.support-article h2 {
  font-size: 22px;
  font-weight: 600;
  line-height: 1.3;
  margin: 40px 0 14px;
  scroll-margin-top: 88px;
}
.support-article h3 {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.35;
  margin: 28px 0 10px;
  scroll-margin-top: 88px;
}
.support-article p, .support-article li { font-size: 15px; line-height: 1.7; color: var(--color-text-primary); }
.support-article p { margin: 0 0 16px; }
.support-article ul, .support-article ol { margin: 0 0 16px; padding-left: 24px; }
.support-article li { margin-bottom: 6px; }
.support-article a { color: var(--color-brand-green); }
.support-article img {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--color-border-light);
  border-radius: 8px;
  margin: 8px 0 20px;
  display: block;
}
.support-article code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.9em;
  background: var(--color-surface-subtle);
  border: 1px solid var(--color-border-light);
  border-radius: 4px;
  padding: 1px 5px;
}
.support-article .note {
  background: var(--color-surface-subtle);
  border-left: 3px solid var(--color-brand-green);
  border-radius: 0 8px 8px 0;
  padding: 14px 18px;
  margin: 0 0 16px;
  font-size: 14px;
}
.support-article .note p:last-child { margin-bottom: 0; }

/* ---- Article footer blocks ---- */
.support-related {
  margin-top: 48px;
  padding-top: 28px;
  border-top: 1px solid var(--color-border-light);
}
.support-related h2 { font-size: 15px; font-weight: 600; margin: 0 0 12px; }
.support-related ul { list-style: none; margin: 0; padding: 0; }
.support-related li { margin-bottom: 8px; }
.support-related a { font-size: 14px; color: var(--color-text-primary); text-decoration: none; }
.support-related a:hover { color: var(--color-brand-green); }
.support-related a::before { content: "→ "; color: var(--color-brand-green); }

.support-feedback {
  margin-top: 32px;
  padding: 18px 20px;
  background: var(--color-surface-subtle);
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 14px;
  color: var(--color-text-secondary);
}
.support-feedback button {
  font-family: inherit;
  font-size: 14px;
  padding: 6px 14px;
  border: 1px solid var(--color-border-light);
  border-radius: 6px;
  background: var(--color-surface-light);
  cursor: pointer;
  transition: border-color 0.15s ease;
}
.support-feedback button:hover { border-color: var(--color-brand-green); }

.support-prevnext {
  margin-top: 32px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-size: 14px;
}
.support-prevnext a {
  color: var(--color-text-primary);
  text-decoration: none;
  padding: 12px 16px;
  border: 1px solid var(--color-border-light);
  border-radius: 8px;
  max-width: 48%;
}
.support-prevnext a:hover { border-color: var(--color-brand-green); }
.support-prevnext .label { display: block; font-size: 12px; color: var(--color-text-secondary); margin-bottom: 2px; }

/* ---- Home ---- */
.support-home {
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 24px 80px;
}
.support-home-intro { max-width: 680px; margin-bottom: 48px; }
.support-home-intro h1 { font-size: 36px; font-weight: 600; line-height: 1.2; margin: 0 0 12px; }
.support-home-intro p { font-size: 16px; line-height: 1.6; color: var(--color-text-secondary); margin: 0; }
.support-cat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.support-cat-card {
  display: block;
  padding: 28px;
  border: 1px solid var(--color-border-light);
  border-radius: 12px;
  text-decoration: none;
  color: var(--color-text-primary);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.support-cat-card:hover {
  border-color: var(--color-brand-green);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}
.support-cat-card h2 { font-size: 19px; font-weight: 600; margin: 0 0 8px; }
.support-cat-card p { font-size: 14px; line-height: 1.6; color: var(--color-text-secondary); margin: 0 0 12px; }
.support-cat-card .count { font-size: 13px; color: var(--color-brand-green); font-weight: 500; }

/* ---- Category page ---- */
.support-cat-page { max-width: 760px; }
.support-cat-page > h1 { font-size: 30px; font-weight: 600; margin: 0 0 8px; }
.support-cat-page > .cat-desc { font-size: 15px; color: var(--color-text-secondary); margin: 0 0 36px; }
.support-cat-page h2 {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin: 36px 0 8px;
}
.support-article-list { list-style: none; margin: 0; padding: 0; }
.support-article-list li { border-bottom: 1px solid var(--color-border-light); }
.support-article-list a {
  display: block;
  padding: 14px 4px;
  text-decoration: none;
  color: var(--color-text-primary);
}
.support-article-list a:hover .t { color: var(--color-brand-green); }
.support-article-list .t { font-size: 15px; font-weight: 500; display: block; margin-bottom: 2px; }
.support-article-list .d { font-size: 13px; color: var(--color-text-secondary); display: block; line-height: 1.5; }

/* ---- Release feed ---- */
.release-feed { max-width: 760px; }
.release-entry {
  padding: 40px 0;
  border-bottom: 1px solid var(--color-border-light);
}
.release-entry:first-of-type { padding-top: 0; }
.release-entry > h2 {
  font-size: 24px;
  font-weight: 600;
  margin: 0 0 4px;
  scroll-margin-top: 88px;
}
.release-versions { font-size: 13px; color: var(--color-text-secondary); margin: 0 0 24px; }
.release-item { margin-bottom: 28px; }
.release-item h3 {
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 6px;
  scroll-margin-top: 88px;
}
.release-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-brand-green);
  background: rgba(0, 150, 80, 0.08);
  border-radius: 4px;
  padding: 2px 8px;
  margin-bottom: 6px;
}
.release-item p, .release-item li { font-size: 14px; line-height: 1.65; color: var(--color-text-primary); }
.release-item p { margin: 0 0 10px; }
.release-item ul, .release-item ol { margin: 0 0 10px; padding-left: 22px; }
.release-item img {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--color-border-light);
  border-radius: 8px;
  margin: 8px 0 12px;
  display: block;
}
.release-anchor {
  color: var(--color-border-light);
  text-decoration: none;
  margin-left: 6px;
  font-weight: 400;
}
h2:hover .release-anchor, h3:hover .release-anchor { color: var(--color-brand-green); }

/* ---- Search page ---- */
.support-search-page { max-width: 680px; }
.support-search-page h1 { font-size: 28px; font-weight: 600; margin: 0 0 20px; }

/* ---- Responsive ---- */
@media (max-width: 1100px) {
  .support-layout { grid-template-columns: 220px minmax(0, 1fr); }
  .support-toc { display: none; }
}
@media (max-width: 860px) {
  .support-layout { grid-template-columns: minmax(0, 1fr); gap: 0; padding-top: 32px; }
  .support-sidenav { display: none; }
  .support-cat-grid { grid-template-columns: 1fr; }
  .support-search-input { width: 140px; }
  .support-wordmark { display: none; }
  .support-home-intro h1 { font-size: 28px; }
  .support-article h1 { font-size: 26px; }
}
@media (max-width: 480px) {
  /* Header must fit 320px: logo fixed, search flexes into remaining space */
  .support-header-inner { gap: 8px; padding: 0 16px; }
  .support-header-spacer { display: none; }
  .support-logo svg { height: 18px; }
  .support-search-form { flex: 1; min-width: 0; }
  .support-search-input { width: 100%; min-width: 0; }
  .support-login-link { font-size: 13px; padding: 8px 10px; }
}