/* ==========================================================================
   LibertyLogger Stylesheet
   ========================================================================== */

:root {
  --bg: #ffffff;
  --bg-alt: #f6f6f7;
  --text: #111111;
  --text-secondary: #454545;
  --text-muted: #6e6e6e;
  --border: #d9d9de;
  --border-strong: #111111;
  --accent: #1d4ed8;
  --status-red: #b91c1c;
  --status-amber: #92400e;
  --status-green: #166534;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-serif: "Charter", "Iowan Old Style", "Sitka Text", Palatino, Georgia, serif;
  --font-mono: ui-monospace, "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --max-width: 1120px;
}

[data-theme="dark"] {
  --bg: #0f1012;
  --bg-alt: #181a1d;
  --text: #ececef;
  --text-secondary: #b4b6bd;
  --text-muted: #82858e;
  --border: #2a2d32;
  --border-strong: #ececef;
  --accent: #60a5fa;
  --status-red: #f87171;
  --status-amber: #fbbf24;
  --status-green: #4ade80;
}

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

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

body {
  margin: 0;
  padding: 0;
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.55;
}

a {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--text);
  color: var(--bg);
  padding: 0.5rem 1rem;
  z-index: 1000;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Header & Navigation */
.site-header {
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 1.1rem 0;
}

.site-brand {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
}

.site-title {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.site-title a {
  text-decoration: none;
}

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

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.site-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 0.25rem 0;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--text);
  border-bottom: 2px solid var(--text);
}

.theme-toggle-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  padding: 0.3rem 0.65rem;
  cursor: pointer;
}

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

/* Section Headers */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.5rem;
  margin: 2rem 0 1.25rem;
}

.section-header h1,
.section-header h2 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.section-meta {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Grid & Cards */
.grid-2 {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 2rem;
  align-items: start;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.card {
  border: 1px solid var(--border);
  padding: 1.25rem;
  background: var(--bg);
}

.card h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
  font-weight: 600;
}

.card p {
  margin: 0 0 1rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.empty-state {
  border: 1px solid var(--border);
  background: var(--bg-alt);
  padding: 2rem 1.5rem;
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.empty-state p {
  margin: 0;
}

/* Badges & Tags */
.badge {
  display: inline-block;
  padding: 0.12rem 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  border: 1px solid var(--border);
  background: var(--bg-alt);
}

.badge-critical {
  color: var(--status-red);
  border-color: currentColor;
}

.badge-high {
  color: var(--status-amber);
  border-color: currentColor;
}

.badge-released {
  color: var(--status-green);
  border-color: currentColor;
}

.case-code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tag-pill {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  text-decoration: none;
  color: var(--text-secondary);
}

.tag-pill:hover,
.tag-pill.active {
  border-color: var(--text);
  color: var(--text);
}

/* Buttons & Forms */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 0.9rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid var(--border-strong);
  background: var(--text);
  color: var(--bg);
  cursor: pointer;
}

.btn:hover {
  opacity: 0.88;
  color: var(--bg);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.btn-outline:hover {
  border-color: var(--text);
  color: var(--text);
}

.filter-bar {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  padding: 1rem;
  margin-bottom: 1.5rem;
}

.filter-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: flex-end;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  flex: 1 1 180px;
}

.form-group label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-control {
  padding: 0.45rem 0.65rem;
  font-family: var(--font-sans);
  font-size: 0.88rem;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
}

.form-control:focus {
  outline: 1px solid var(--text);
  border-color: var(--text);
}

/* Tables */
.data-table,
.article-prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.88rem;
}

.data-table th,
.data-table td,
.article-prose th,
.article-prose td {
  border-bottom: 1px solid var(--border);
  padding: 0.65rem 0.75rem;
  text-align: left;
  vertical-align: top;
}

.data-table th,
.article-prose th {
  font-weight: 600;
  font-size: 0.78rem;
  color: var(--text-secondary);
  background: var(--bg-alt);
}

/* Article Reader */
.article-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.article-prose {
  font-family: var(--font-serif);
  font-size: 1.06rem;
  line-height: 1.7;
}

.article-prose h2,
.article-prose h3 {
  font-family: var(--font-sans);
  margin: 1.75rem 0 0.6rem;
}

.article-prose blockquote {
  margin: 1.25rem 0;
  padding: 0.5rem 1rem;
  border-left: 3px solid var(--border-strong);
  color: var(--text-secondary);
}

.article-prose pre {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  padding: 0.9rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

/* Evidence SVG & Timeline */
.evidence-svg-wrapper {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 1rem;
  overflow-x: auto;
  margin-bottom: 1.5rem;
}

.evidence-svg {
  width: 100%;
  min-width: 720px;
  height: auto;
  display: block;
}

.timeline-list {
  border-left: 2px solid var(--border);
  margin-left: 0.5rem;
  padding-left: 1.25rem;
}

.timeline-item {
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

/* Footer */
.site-footer {
  margin-top: 4rem;
  border-top: 1px solid var(--border);
  padding: 1.5rem 0 2.5rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}

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

@media (max-width: 860px) {
  .grid-2,
  .grid-3,
  .article-layout {
    grid-template-columns: 1fr;
  }
  .data-table {
    display: block;
    overflow-x: auto;
  }
}

@media print {
  .site-nav,
  .filter-bar,
  .site-footer,
  .no-print,
  .theme-toggle-btn {
    display: none !important;
  }
}