/* ClackDash Base Styles: Reset, Typography, Grid, Navigation, Accessibility */

:root {
  --font-mono: ui-monospace, 'SFMono-Regular', Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --max-width: 1200px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-pill: 9999px;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

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

[hidden] { display: none !important; }

html {
  font-size: 16px;
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--bg);
  color: var(--text);
  transition: background-color var(--transition-normal), color var(--transition-normal);
  overflow-x: hidden;
}

/* Accessibility: Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 9999;
  padding: 0.6rem 1.2rem;
  background: var(--main);
  color: var(--bg);
  font-weight: 700;
  font-family: var(--font-sans);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: top var(--transition-fast);
}

.skip-link:focus,
.skip-link:focus-visible {
  top: 1rem;
  outline: 3px solid var(--text);
  outline-offset: 2px;
}

/* Focus Management (Keyboard-first accessibility) */
:focus { outline: none; }

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--text);
  font-weight: 700;
  line-height: 1.25;
}

h1 { font-size: 2rem; margin-bottom: 0.5rem; }
h2 { font-size: 1.5rem; margin-bottom: 0.75rem; margin-top: 1.5rem; }
h3 { font-size: 1.2rem; margin-bottom: 0.5rem; margin-top: 1.25rem; }

p { margin-bottom: 1rem; color: var(--text); }

a {
  color: var(--main);
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

a:hover { text-decoration: underline; opacity: 0.9; }

kbd {
  display: inline-block;
  padding: 0.15rem 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1;
  color: var(--bg);
  background-color: var(--sub);
  border-radius: 3px;
  vertical-align: middle;
}

/* Layout Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header & Navigation */
.site-header {
  width: 100%;
  padding: 1.25rem 0;
  transition: opacity var(--transition-normal);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.header-brand-group { display: flex; align-items: center; }

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}

.site-brand:hover { text-decoration: none; }

.brand-icon { flex-shrink: 0; color: var(--main); }

.brand-name { color: var(--text); transition: color var(--transition-fast); }

.site-brand:hover .brand-name { color: var(--main); }

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--sub);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.site-nav a:hover,
.site-nav a[aria-current="page"] { color: var(--text); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Language Navigation */
.lang-menu-list {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.lang-menu-list a {
  display: inline-flex;
  align-items: center;
  color: var(--sub);
  font-size: 0.82rem;
  text-decoration: none;
  padding: 0.2rem 0.45rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
  white-space: nowrap;
}
.lang-menu-list a:hover,
.lang-menu-list a[aria-current="page"] {
  color: var(--text);
  background-color: var(--sub-alt);
}

/* Buttons and Inputs */
button, select, input {
  font-family: inherit;
  font-size: 0.9rem;
  border: none;
  background: transparent;
  color: inherit;
  cursor: pointer;
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem;
  border-radius: var(--radius-sm);
  color: var(--sub);
  background-color: transparent;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.btn-icon:hover { color: var(--main); background-color: var(--sub-alt); }

/* Main Content Area */
.site-main {
  flex: 1 0 auto;
  display: flex;
  flex-direction: column;
  width: 100%;
}

/* Footer */
.site-footer {
  flex-shrink: 0;
  padding: 2.5rem 0 2rem;
  color: var(--sub);
  font-size: 0.85rem;
  margin-top: auto;
  border-top: 1px solid var(--sub-alt);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.footer-primary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-shortcuts {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--sub);
}

.footer-legal {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.footer-legal a { color: var(--sub); font-size: 0.85rem; }

.footer-legal a:hover { color: var(--text); }

/* Content Page Layout (.content-view) */
.content-view { padding: 2rem 0 4rem; }

.page-header { margin-bottom: 2rem; }

.page-lead {
  font-size: 1.15rem;
  color: var(--sub);
  max-width: 720px;
  line-height: 1.6;
}

.content-section { margin-bottom: 2.5rem; }

.content-section p {
  color: var(--text);
  line-height: 1.7;
  max-width: 760px;
}

.steps-list,
.content-steps { margin: 1rem 0 1.5rem 1.25rem; color: var(--text); }

.steps-list li,
.content-steps li { margin-bottom: 0.5rem; line-height: 1.6; }

/* FAQ Accordion Section */
.faq-section {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--sub-alt);
}

.faq-title { margin-bottom: 1.5rem; }

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  background-color: var(--sub-alt);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  border: 1px solid transparent;
  transition: border-color var(--transition-fast);
}

.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--text);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: "+";
  font-size: 1.2rem;
  color: var(--main);
  transition: transform var(--transition-fast);
}

.faq-item[open] summary::after { content: "−"; }

.faq-item p {
  margin-top: 0.75rem;
  margin-bottom: 0;
  color: var(--sub);
  line-height: 1.6;
}

/* Related Links */
.related-section {
  margin-top: 2.5rem;
  padding: 1.5rem;
  background-color: var(--sub-alt);
  border-radius: var(--radius-md);
}

.related-title { font-size: 1.05rem; margin-bottom: 1rem; }

.related-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
}

.related-grid a { font-weight: 500; }

/* Utility Classes */
.text-center { text-align: center; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* 404 Error View */
.not-found-view { padding: 4rem 1.5rem; }

.error-status {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.error-code {
  font-size: 5rem;
  font-family: var(--font-mono);
  color: var(--main);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.error-subtitle { font-size: 1.5rem; margin-bottom: 1rem; }

.error-lead { max-width: 480px; margin: 0 auto 2.5rem; }

.error-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-action-primary {
  background-color: var(--main) !important;
  color: var(--bg) !important;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .header-inner { flex-wrap: wrap; }
  .site-nav {
    order: 3;
    width: 100%;
    justify-content: center;
    gap: 1rem;
    padding-top: 0.5rem;
  }
.footer-bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .site-header { padding: 0.35rem 0; }
  .header-inner { gap: 0.35rem; }
  .site-brand { font-size: 1.15rem; gap: 0.4rem; }
  .brand-icon { width: 22px; height: 22px; }
  .header-actions { gap: 0.35rem; }
  .lang-menu {
    max-width: 105px;
    overflow-x: auto;
    overflow-y: hidden;
    white-space: nowrap;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }
  .lang-menu::-webkit-scrollbar { display: none; }
  .site-nav {
    order: 3;
    width: 100%;
    justify-content: center;
    gap: 0.75rem;
    padding-top: 0.15rem;
    font-size: 0.82rem;
  }
  .container { padding: 0 0.75rem; }
  h1 { font-size: 1.35rem; }
  h2 { font-size: 1.15rem; }
  .footer-shortcuts { display: none; }
}