/*
 * Neve26 Unified Styles
 * WCAG AAA Compliant Design System
 * Generated from architecture refactor - 2026-01-11
 */

/* === CSS Custom Properties (Design Tokens) === */
:root {
  /* Light mode (default) - 7:1+ contrast ratio for AAA */
  --color-bg: #f8fafc;
  --color-bg-elevated: #ffffff;
  --color-bg-card: #f1f5f9;
  --color-text: #0f172a;
  --color-text-secondary: #475569;
  --color-accent: #1e40af;
  --color-accent-hover: #1e3a8a;
  --color-border: #e2e8f0;
  --focus-outline: 3px solid #1e40af;
  --focus-offset: 2px;

  /* Typography scale */
  --font-base: 1rem;
  --font-lg: 1.125rem;
  --font-xl: 1.5rem;
  --font-2xl: 2rem;

  /* Spacing scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;

  /* Layout */
  --max-width: 1200px;
  --content-width: 800px;
}

/* Dark mode */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #0a1628;
    --color-bg-elevated: #0f1f35;
    --color-bg-card: #152238;
    --color-text: #ffffff;
    --color-text-secondary: #c4d1e0;
    --color-accent: #93c5fd;
    --color-accent-hover: #bfdbfe;
    --color-border: #2a3f5f;
    --focus-outline: 3px solid #93c5fd;
  }
}

/* === Base Styles === */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
}

/* === Accessibility === */
.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: var(--color-bg);
  padding: var(--space-sm) var(--space-lg);
  border-radius: 0 0 8px 8px;
  font-weight: 600;
  text-decoration: none;
  z-index: 9999;
}

.skip-link:focus {
  top: 0;
  outline: var(--focus-outline);
  outline-offset: var(--focus-offset);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Focus states for all interactive elements */
a:focus,
button:focus,
select:focus,
[tabindex]:focus {
  outline: var(--focus-outline);
  outline-offset: var(--focus-offset);
}

/* === Header === */
.site-header,
header {
  background: var(--color-bg-elevated);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-md) var(--space-lg);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container,
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.site-logo,
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  color: var(--color-text);
  font-weight: 700;
  font-size: var(--font-xl);
}

.site-logo img,
.logo img {
  width: 40px;
  height: 40px;
  border-radius: 8px;
}

.site-logo span {
  font-size: var(--font-xl);
  font-weight: 700;
}

/* Navigation */
.header-nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.nav-links,
nav ul {
  display: flex;
  list-style: none;
  gap: var(--space-md);
}

.nav-links a,
nav a {
  color: var(--color-text-secondary);
  text-decoration: none;
  padding: var(--space-xs) var(--space-sm);
  border-radius: 4px;
  font-weight: 500;
  transition: color 0.2s;
}

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

nav a[aria-current="page"] {
  color: var(--color-accent);
}

/* Language selector */
.lang-selector {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: var(--space-sm) var(--space-md);
  border-radius: 6px;
  font-size: var(--font-base);
  cursor: pointer;
}

/* === Main Content === */
main {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg);
}

/* Index pages use wider layout */
main.index-main {
  max-width: var(--max-width);
}

/* === Breadcrumbs === */
.breadcrumb {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--color-accent);
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb-separator {
  color: var(--color-text-secondary);
}

/* === Article Styles === */
.article-header {
  margin-bottom: var(--space-xl);
}

.category-tag {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-bg);
  padding: var(--space-xs) var(--space-sm);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
}

.article-title {
  font-size: var(--font-2xl);
  line-height: 1.3;
  margin-bottom: var(--space-md);
}

.article-meta {
  display: flex;
  gap: var(--space-md);
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  flex-wrap: wrap;
}

/* Article featured image */
.article-image {
  margin: var(--space-xl) 0;
}

.article-image img {
  width: 100%;
  border-radius: 8px;
}

.article-image figcaption {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-top: var(--space-sm);
}

/* Article body content */
.article-content {
  font-size: var(--font-lg);
  line-height: 1.8;
}

.article-content p {
  margin-bottom: var(--space-lg);
}

.article-content h2 {
  font-size: var(--font-xl);
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
}

.article-content a {
  color: var(--color-accent);
  text-decoration: underline;
}

.article-content a:hover {
  color: var(--color-accent-hover);
}

.article-content ul,
.article-content ol {
  margin-bottom: var(--space-lg);
  padding-left: var(--space-xl);
}

.article-content li {
  margin-bottom: var(--space-sm);
}

.article-content strong {
  font-weight: 600;
}

/* === Index Page / Article Grid === */
h1 {
  font-size: var(--font-2xl);
  margin-bottom: var(--space-lg);
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-lg);
}

/* Article Card */
.article-card {
  background: var(--color-bg-card);
  border-radius: 12px;
  padding: var(--space-lg);
  border: 1px solid var(--color-border);
  transition: transform 0.2s, box-shadow 0.2s;
}

.article-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.article-card .category-tag {
  border-radius: 20px;
  padding: var(--space-xs) 0.75rem;
}

.article-card h2 {
  font-size: var(--font-lg);
  margin-bottom: var(--space-sm);
}

.article-card h2 a {
  color: var(--color-text);
  text-decoration: none;
}

.article-card h2 a:hover {
  color: var(--color-accent);
}

.article-card .article-meta {
  font-size: 0.85rem;
  margin-bottom: 0.75rem;
}

.article-card .excerpt,
.excerpt {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

/* Headline card for featured article */
.headline {
  background: var(--color-bg-card);
  border-radius: 16px;
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
  border: 1px solid var(--color-border);
}

.headline .category-tag {
  font-size: 0.85rem;
  padding: 0.35rem var(--space-md);
}

.headline h2 {
  font-size: var(--font-2xl);
  line-height: 1.3;
  margin: var(--space-md) 0;
}

.headline h2 a {
  color: var(--color-text);
  text-decoration: none;
}

.headline h2 a:hover {
  color: var(--color-accent);
}

.headline .article-meta {
  font-size: 0.95rem;
  margin-bottom: var(--space-md);
}

.headline .excerpt {
  font-size: 1.1rem;
  line-height: 1.7;
}

/* === Filter Buttons === */
.filters {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.filter-btn {
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  background: var(--color-bg-elevated);
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
}

.filter-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.filter-btn.active {
  background: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
}

/* === Footer === */
.site-footer,
footer {
  background: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border);
  padding: var(--space-xl) var(--space-lg);
  margin-top: var(--space-2xl);
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
  margin-bottom: var(--space-lg);
}

.footer-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
}

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

.copyright {
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 0.85rem;
}

/* === RTL Support === */
html[dir="rtl"] {
  direction: rtl;
}

html[dir="rtl"] .header-container,
html[dir="rtl"] .header-inner {
  flex-direction: row-reverse;
}

/* === Responsive Design === */
@media (max-width: 768px) {
  .header-nav {
    width: 100%;
    justify-content: space-between;
  }

  .nav-links,
  nav ul {
    display: none;
  }

  .article-title {
    font-size: var(--font-xl);
  }

  .articles-grid {
    grid-template-columns: 1fr;
  }

  .headline h2 {
    font-size: var(--font-xl);
  }

  .headline {
    padding: var(--space-lg);
  }

  h1 {
    font-size: var(--font-xl);
  }
}

/* === High Contrast Mode === */
@media (prefers-contrast: high) {
  :root {
    --color-bg: #000000;
    --color-bg-elevated: #000000;
    --color-bg-card: #1a1a1a;
    --color-text: #ffffff;
    --color-text-secondary: #ffffff;
    --color-border: #ffffff;
  }
}

/* === Reduced Motion === */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* === Print Styles === */
@media print {
  .site-header,
  .site-footer,
  header,
  footer,
  .lang-selector,
  .filters {
    display: none;
  }

  body {
    background: white;
    color: black;
  }

  .article-card {
    break-inside: avoid;
  }
}

/* === Social Media Embeds === */
.social-embed {
  margin: var(--space-xl) 0;
}

.social-embed figcaption {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-top: var(--space-sm);
}

.athlete-quote {
  border-left: 4px solid var(--color-accent);
  padding-left: var(--space-lg);
  margin: var(--space-xl) 0;
  font-style: italic;
}

.athlete-quote cite {
  display: block;
  margin-top: var(--space-sm);
  font-style: normal;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.athlete-quote cite a {
  color: var(--color-accent);
}