/* ============================================================
   CSV - Cybersicherheitsvorfall.at
   Hugo Theme - Dark/Light Mode
   ============================================================ */

/* ----- CSS CUSTOM PROPERTIES ----- */
:root {
  /* Fonts */
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;

  /* Sizing */
  --max-width: 800px;
  --header-height: 64px;
  --radius: 6px;
  --radius-lg: 10px;

  /* Transitions */
  --transition: 0.2s ease;
}

/* ----- DARK THEME (default) ----- */
[data-theme="dark"] {
  --bg: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #1c2333;
  --border: #21262d;
  --border-hover: #30363d;
  --text: #e0e6ed;
  --text-secondary: #8b949e;
  --text-muted: #484f58;
  --heading: #f0f6fc;
  --accent: #00d4aa;
  --accent-hover: #33e6c0;
  --accent-dim: rgba(0, 212, 170, 0.15);
  --accent-glow: rgba(0, 212, 170, 0.25);
  --shadow: 4px 4px 0px rgba(0, 212, 170, 0.15);
  --shadow-hover: 6px 6px 0px rgba(0, 212, 170, 0.25);
  --code-bg: #161b22;
  --selection-bg: rgba(0, 212, 170, 0.3);
}

/* ----- LIGHT THEME ----- */
[data-theme="light"] {
  --bg: #fafbfc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f0f2f5;
  --border: #d1d5da;
  --border-hover: #959da5;
  --text: #24292e;
  --text-secondary: #586069;
  --text-muted: #959da5;
  --heading: #1b1f23;
  --accent: #0e8a6f;
  --accent-hover: #0a6e58;
  --accent-dim: rgba(14, 138, 111, 0.1);
  --accent-glow: rgba(14, 138, 111, 0.15);
  --shadow: 4px 4px 0px rgba(14, 138, 111, 0.1);
  --shadow-hover: 6px 6px 0px rgba(14, 138, 111, 0.15);
  --code-bg: #f0f2f5;
  --selection-bg: rgba(14, 138, 111, 0.2);
}

/* ----- RESET & BASE ----- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color var(--transition), color var(--transition);
}

::selection {
  background-color: var(--selection-bg);
  color: var(--heading);
}

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

/* ----- HEADER ----- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  height: var(--header-height);
}

.header__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.header__right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--accent);
  flex-shrink: 0;
}

.logo__icon svg,
.logo__icon img {
  display: block;
  width: 44px;
  height: 44px;
}

.logo__text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo__title {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--accent);
  letter-spacing: 0.15em;
}

.logo__subtitle {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  opacity: 0.6;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Navigation */
.nav__list {
  display: flex;
  list-style: none;
  gap: 0.25rem;
}

.nav__link {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius);
  transition: color var(--transition), background-color var(--transition);
}

.nav__link:hover {
  color: var(--accent);
  background-color: var(--accent-dim);
}

.nav__link--active {
  color: var(--accent);
  background-color: var(--accent-dim);
}

.nav__toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
  padding: 0.25rem;
}

/* Language Switch */
.lang-switch__link {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.lang-switch__link:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* Theme Toggle */
.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.35rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.theme-toggle:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* Sun/Moon Visibility */
[data-theme="dark"] .theme-toggle__sun { display: block; }
[data-theme="dark"] .theme-toggle__moon { display: none; }
[data-theme="light"] .theme-toggle__sun { display: none; }
[data-theme="light"] .theme-toggle__moon { display: block; }

/* ----- HERO (Homepage) ----- */
.hero {
  padding: 3rem 0 2rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}

.hero__title {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--heading);
  line-height: 1.3;
  margin-bottom: 0.5rem;
}

.hero__subtitle {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--accent);
}

/* ----- POST CARDS ----- */
.post-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding-bottom: 2rem;
}

.post-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  transition: border-color var(--transition), box-shadow 0.3s ease;
}

.post-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-hover);
}

.post-card__meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.post-card__meta time {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.post-card__category {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  background-color: var(--accent-dim);
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  text-decoration: none;
}

.post-card__title {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 0.5rem;
}

.post-card__title a {
  color: var(--heading);
  text-decoration: none;
  transition: color var(--transition);
}

.post-card__title a:hover {
  color: var(--accent);
}

.post-card__excerpt {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 0.75rem;
}

.post-card__tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* Tags */
.tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition);
}

.tag:hover {
  color: var(--accent);
}

/* ----- ARTICLE (Single Post) ----- */
.article {
  padding-top: 2rem;
  padding-bottom: 3rem;
}

.article__header {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.article__meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.article__meta time {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  text-transform: uppercase;
}

.article__title {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--heading);
  line-height: 1.3;
  margin-bottom: 0.5rem;
}

.article__description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  font-style: italic;
}

.article__translations {
  margin-top: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

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

.article__hero img {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  margin-bottom: 2rem;
}

/* ----- PROSE (Article Content) ----- */
.prose {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text);
}

.prose h2, .prose h3, .prose h4 {
  font-family: var(--font-mono);
  color: var(--heading);
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.prose h2 { font-size: 1.4rem; }
.prose h3 { font-size: 1.15rem; }
.prose h4 { font-size: 1rem; }

.prose p {
  margin-bottom: 1.25rem;
}

.prose a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 0.2em;
  text-decoration-color: rgba(0, 212, 170, 0.3);
  transition: text-decoration-color var(--transition);
}

.prose a:hover {
  text-decoration-color: var(--accent);
}

.prose strong {
  color: var(--heading);
  font-weight: 600;
}

.prose ul, .prose ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

.prose li {
  margin-bottom: 0.5rem;
}

.prose li::marker {
  color: var(--accent);
}

.prose blockquote {
  border-left: 3px solid var(--accent);
  padding-left: 1rem;
  margin: 1.5rem 0;
  color: var(--text-secondary);
  font-style: italic;
}

.prose code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background-color: var(--code-bg);
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  color: var(--accent);
}

.prose pre {
  background-color: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  overflow-x: auto;
  margin-bottom: 1.25rem;
}

.prose pre code {
  background: none;
  padding: 0;
  font-size: 0.85rem;
}

.prose img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin: 1rem 0;
}

.prose figure {
  margin: 1.5rem 0;
  text-align: center;
}

.prose figcaption {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
  font-style: italic;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.25rem;
}

.prose th, .prose td {
  border: 1px solid var(--border);
  padding: 0.5rem 0.75rem;
  text-align: left;
}

.prose th {
  background-color: var(--bg-secondary);
  font-weight: 600;
  color: var(--heading);
}

.prose sup a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.prose hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}

/* ----- ARTICLE FOOTER ----- */
.article__footer {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.article__tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.article__source {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  word-break: break-all;
}

.article__source a {
  color: var(--accent);
}

/* ----- PAGE TITLE ----- */
.page-title {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  color: var(--heading);
  padding: 2rem 0 1.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}

/* ----- FOOTER ----- */
.main {
  flex: 1;
}

.footer {
  border-top: 1px solid var(--border);
  background-color: var(--bg-secondary);
  margin-top: 3rem;
}

.footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.footer__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.footer__title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--heading);
  display: block;
}

.footer__subtitle {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.footer__nav {
  display: flex;
  gap: 1.5rem;
}

.footer__nav a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition);
}

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

.footer__bottom {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.footer__separator {
  margin: 0 0.5rem;
  opacity: 0.5;
}

/* ----- PAGINATION ----- */
.pagination {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  padding: 2rem 0;
  list-style: none;
}

.page-item a,
.page-item span {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition);
}

.page-item a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.page-item.active span {
  background-color: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
}

/* ----- SCANLINE OVERLAY (dark mode only, retro feel) ----- */
[data-theme="dark"] body::after {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 212, 170, 0.012) 2px,
    rgba(0, 212, 170, 0.012) 4px
  );
}

/* ----- SCROLLBAR ----- */
[data-theme="dark"] ::-webkit-scrollbar { width: 8px; }
[data-theme="dark"] ::-webkit-scrollbar-track { background: var(--bg); }
[data-theme="dark"] ::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
[data-theme="dark"] ::-webkit-scrollbar-thumb:hover { background: var(--border-hover); }

/* ----- RESPONSIVE ----- */
@media (max-width: 768px) {
  .hero__title {
    font-size: 1.4rem;
  }

  .article__title {
    font-size: 1.5rem;
  }

  .logo__subtitle {
    display: none;
  }

  /* Mobile nav */
  .nav__toggle {
    display: flex;
  }

  .nav__list {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 1rem 1.5rem;
    gap: 0;
  }

  .nav__list.is-open {
    display: flex;
  }

  .nav__link {
    display: block;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
  }

  .nav__link:last-child {
    border-bottom: none;
  }

  .footer__top {
    flex-direction: column;
    gap: 1rem;
  }

  .post-card {
    padding: 1.25rem;
  }
}

@media (max-width: 480px) {
  .header__inner {
    padding: 0 1rem;
  }

  .container {
    padding: 0 1rem;
  }

  .hero__title {
    font-size: 1.2rem;
  }

  .post-card__title {
    font-size: 1.1rem;
  }
}