/* EUReg Help Center — "default" theme (light, Zendesk Copenhagen-inspired) */

:root {
  --color-bg: #f5f7fa;
  --color-surface: #ffffff;
  --color-text: #1f2933;
  --color-text-muted: #5a6472;
  --color-border: #e2e6ec;
  --color-primary: #1857ff;
  --color-primary-dark: #0e3fc4;
  --color-primary-tint: #eaf0ff;
  --color-accent: #ff7a1a;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --radius: 10px;
  --shadow-sm: 0 1px 2px rgba(20, 30, 50, 0.06);
  --shadow-md: 0 8px 24px rgba(20, 30, 50, 0.08);
  --header-height: 64px;
}

* { box-sizing: border-box; }

.icon {
  width: 20px;
  height: 20px;
  display: inline-block;
  flex-shrink: 0;
  vertical-align: middle;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 8px 16px;
  z-index: 100;
}
.skip-link:focus { left: 0; }

/* header */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 20;
}
.header-inner {
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  font-weight: 700;
  font-size: 17px;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}
.brand:hover { text-decoration: none; }
.brand-logo {
  height: 30px;
  width: auto;
  display: block;
}
.brand-text {
  white-space: nowrap;
}
.search-toggle {
  display: none;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  color: var(--color-text-muted);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  flex: 1;
  justify-content: flex-end;
}
.search-box {
  position: relative;
  flex: 1;
  max-width: 380px;
  display: flex;
  align-items: center;
}
.search-icon {
  position: absolute;
  left: 12px;
  width: 16px;
  height: 16px;
  color: var(--color-text-muted);
  pointer-events: none;
}
#search-input {
  width: 100%;
  padding: 9px 12px 9px 36px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-bg);
  font-size: 14px;
  color: var(--color-text);
  font-family: inherit;
}
#search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  background: #fff;
}
.search-results {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  max-height: 60vh;
  overflow-y: auto;
  z-index: 30;
}
.search-result {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}
.search-result:last-child { border-bottom: none; }
.search-result:hover { background: var(--color-primary-tint); text-decoration: none; }
.search-result-title { font-weight: 600; font-size: 14px; }
.search-result-cat { font-size: 12px; color: var(--color-text-muted); }
.search-empty { padding: 14px; color: var(--color-text-muted); font-size: 14px; }

.lang-switch {
  display: flex;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  overflow: hidden;
  flex-shrink: 0;
}
.lang-switch a {
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-muted);
}
.lang-switch a:hover { text-decoration: none; background: var(--color-bg); }
.lang-switch a.active { background: var(--color-primary); color: #fff; }

/* hero */
.hero {
  background: linear-gradient(180deg, var(--color-primary-tint), var(--color-bg));
  padding: 56px 0 40px;
  text-align: center;
}
.hero h1 { font-size: 34px; margin: 0 0 10px; letter-spacing: -0.01em; }
.hero p { margin: 0; color: var(--color-text-muted); font-size: 17px; }

/* category grid */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 18px;
  padding-top: 32px;
  padding-bottom: 56px;
}
.category-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 22px;
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}
.category-card:hover {
  text-decoration: none;
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: var(--color-primary);
}
.category-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--color-primary-tint);
  color: var(--color-primary);
  margin-bottom: 14px;
}
.category-icon.lg { width: 48px; height: 48px; }
.category-icon .icon { width: 20px; height: 20px; }
.category-card h2 { font-size: 16px; margin: 0 0 6px; }
.category-card p { font-size: 13.5px; color: var(--color-text-muted); margin: 0 0 12px; }
.category-card .count { font-size: 12px; color: var(--color-primary); font-weight: 600; }

/* layout */
.layout-with-sidebar {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 40px;
  padding: 32px 24px 64px;
}
.sidebar h3 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin: 0 0 12px;
}
.sidebar-list { list-style: none; margin: 0; padding: 0; }
.sidebar-list li { margin-bottom: 2px; }
.sidebar-list a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 8px;
  color: var(--color-text-muted);
  font-size: 14px;
}
.sidebar-list a:hover { background: var(--color-primary-tint); text-decoration: none; color: var(--color-primary); }
.sidebar-list a.active { background: var(--color-primary-tint); color: var(--color-primary); font-weight: 600; }
.icon-sm { width: 15px; height: 15px; flex-shrink: 0; }

.main-col { min-width: 0; }

.breadcrumbs {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.breadcrumbs a { color: var(--color-text-muted); }
.breadcrumbs .sep { opacity: 0.6; }

.category-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}
.category-header h1 { margin: 0 0 6px; font-size: 26px; }
.category-desc { margin: 0; color: var(--color-text-muted); }

.article-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.article-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px 18px;
  color: var(--color-text);
}
.article-list a:hover { text-decoration: none; border-color: var(--color-primary); background: var(--color-primary-tint); }
.article-title { font-size: 15px; font-weight: 500; }
.chev { color: var(--color-text-muted); flex-shrink: 0; }

.article-body h1 { font-size: 26px; margin: 0 0 20px; }
.article-body h2, .article-body h3, .article-body h4 { margin: 28px 0 10px; }
.article-body h2 { font-size: 21px; }
.article-body h3 { font-size: 18px; }
.article-body h4 { font-size: 16px; }
.article-body p { margin: 0 0 14px; }
.article-body ul, .article-body ol { margin: 0 0 14px; padding-left: 22px; }
.article-body li { margin-bottom: 6px; }
.article-body img { max-width: 100%; border-radius: 6px; }
.article-body table { border-collapse: collapse; width: 100%; margin: 0 0 18px; font-size: 14px; }
.article-body th, .article-body td { border: 1px solid var(--color-border); padding: 8px 12px; text-align: left; vertical-align: top; }
.article-body th { background: var(--color-bg); }
.article-body blockquote {
  margin: 0 0 18px;
  padding: 12px 16px;
  background: #fff7ec;
  border-left: 3px solid var(--color-accent);
  border-radius: 6px;
  color: #6b4a15;
}
.article-body blockquote p { margin: 0; }
.article-body code { background: var(--color-bg); padding: 2px 6px; border-radius: 4px; font-size: 0.9em; }

.notice {
  background: var(--color-primary-tint);
  border-left: 3px solid var(--color-primary);
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 14px;
  margin-bottom: 20px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 32px;
  font-size: 14px;
  color: var(--color-text-muted);
}
.back-link:hover { color: var(--color-primary); text-decoration: none; }

.not-found { text-align: center; padding: 100px 0; }
.not-found h1 { font-size: 72px; margin: 0; color: var(--color-border); }

.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: 40px 0 24px;
  color: var(--color-text-muted);
  font-size: 13px;
  margin-top: 48px;
}
.footer-columns {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 24px;
  margin-bottom: 24px;
}
.footer-col h4 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text);
  margin: 0 0 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 8px; display: flex; align-items: center; gap: 6px; }
.footer-col a { color: var(--color-text-muted); font-size: 13px; }
.footer-col a:hover { color: var(--color-primary); }
.footer-col-lang h4 a { text-transform: none; letter-spacing: normal; font-weight: 600; color: var(--color-primary); }
.footer-badge {
  background: var(--color-accent);
  color: #fff;
  font-size: 9px;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 4px;
  letter-spacing: 0.03em;
}
.site-footer hr { border: none; border-top: 1px solid var(--color-border); margin: 0 0 20px; }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-copy { margin: 0; }

@media (max-width: 760px) {
  .search-toggle { display: block; }
  .header-actions {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 14px 16px;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }
  .header-actions.open { display: flex; }
  .search-box { max-width: none; }
  .layout-with-sidebar { grid-template-columns: 1fr; padding: 24px 20px 48px; }
  .sidebar { order: 2; }
  .hero { padding: 40px 0 28px; }
  .hero h1 { font-size: 26px; }
  .wrap { padding: 0 18px; }
  .footer-columns { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 16px; }
  .footer-bottom { justify-content: flex-start; }
}

@media (max-width: 480px) {
  .footer-columns { grid-template-columns: 1fr; }
}