:root {
  --bg-base: #0d1117;
  --bg-card: #161b22;
  --bg-card-hover: #1c2128;
  --text-main: #e6edf3;
  --text-muted: #8b949e;
  --text-dim: #6e7681;
  --accent-blue: #58a6ff;
  --accent-cyan: #39c5bb;
  --accent-red: #f85149;
  --accent-green: #3fb950;
  --border-subtle: #30363d;
  --border-active: #58a6ff;
  --mono: 'JetBrains Mono', 'DM Mono', monospace;
  --sans: 'Inter', system-ui, -apple-system, sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg-base); }
body {
  margin: 0;
  background: var(--bg-base);
  color: var(--text-main);
  font: 14px/1.7 var(--sans);
  -webkit-font-smoothing: antialiased;
}

button, input, select { font: inherit; }
button, a { touch-action: manipulation; }
a { color: inherit; }

.wrap {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

.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;
}

.skip-link {
  position: fixed;
  left: 14px;
  top: -80px;
  z-index: 99;
  background: var(--accent-blue);
  color: #000;
  font-weight: 700;
  padding: 10px 14px;
  font-family: var(--mono);
  transition: top 0.2s ease;
}
.skip-link:focus { top: 12px; }

.preview-note {
  background: #1f6feb;
  color: #fff;
  text-align: center;
  padding: 6px;
  font: 500 11px/1.4 var(--mono);
  letter-spacing: .05em;
  border-bottom: 1px solid rgba(255,255,255,0.2);
}

.eyebrow {
  margin: 0 0 12px;
  font: 600 11px/1.4 var(--mono);
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--accent-blue);
}

h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: var(--mono); font-weight: 700; }
button { cursor: pointer; }

/* Site Header */
.site-header { padding-top: 24px; }
.masthead-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.masthead-note {
  font: 500 11px/1.5 var(--mono);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .05em;
}
.masthead-note.right-note { text-align: right; }
.brand {
  display: block;
  max-width: 680px;
  margin: 0 auto;
}
.brand img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 4px;
}

.navigation-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-block: 1px solid var(--border-subtle);
  padding: 12px 0;
  margin-top: 20px;
  font: 600 11px/1.4 var(--mono);
  text-transform: uppercase;
  letter-spacing: .07em;
}
.navigation-row nav { display: flex; gap: 28px; }
.navigation-row a { text-decoration: none; color: var(--text-muted); }
.navigation-row a:hover, .navigation-row a:focus-visible { color: var(--accent-blue); }
.network-link { color: var(--accent-blue) !important; font-weight: 700; }

/* Hero Section */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(300px, 0.75fr);
  gap: 60px;
  padding-block: 64px 72px;
}
.hero h1 {
  font-size: clamp(38px, 5.5vw, 68px);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 0;
  color: #ffffff;
}
.hero h1 em {
  font-style: normal;
  color: var(--accent-blue);
}
.intro {
  max-width: 720px;
  margin: 24px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-muted);
}

.hero-actions {
  align-self: end;
  border-left: 1px solid var(--border-subtle);
  padding-left: 32px;
}
.search-form > label {
  display: block;
  font: 600 11px var(--mono);
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--accent-blue);
  margin-bottom: 10px;
}
.search-form > div {
  display: flex;
  border-bottom: 2px solid var(--accent-blue);
  background: var(--bg-card);
  padding: 2px 6px;
  border-radius: 4px 4px 0 0;
}
.search-form input {
  width: 100%;
  border: 0;
  background: transparent;
  padding: 10px 8px;
  outline: 0;
  color: var(--text-main);
}
.search-form input::placeholder { color: var(--text-dim); }
.search-form button, .random-button {
  border: 0;
  background: transparent;
  color: var(--accent-blue);
  font: 700 12px var(--mono);
  padding: 10px 4px;
}
.random-button {
  margin-top: 14px;
  display: inline-block;
  color: var(--text-muted);
  text-transform: uppercase;
  font-size: 11px;
}
.random-button:hover { color: var(--accent-cyan); }
.action-status {
  min-height: 18px;
  color: var(--text-muted);
  font: 11px var(--mono);
}

/* Daily Section */
.daily-section {
  padding-block: 64px;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background: #090d13;
}
.section-heading, .archive-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 30px;
  border-top: 2px solid var(--accent-blue);
  padding-top: 18px;
  margin-bottom: 30px;
}
.section-heading h2, .archive-heading h2 {
  font-size: clamp(32px, 4vw, 54px);
  line-height: 1.05;
  margin: 0;
  color: #fff;
}
.section-heading > p, .archive-heading > p {
  color: var(--text-muted);
  font: 12px var(--mono);
  text-align: right;
  margin: 0;
}

.daily-feature {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  min-height: 480px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 16px 36px rgba(0,0,0,0.5);
}
.daily-art {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 380px;
  background: #040608;
  overflow: hidden;
}
.daily-art img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.daily-art > span {
  position: absolute;
  left: 14px;
  bottom: 14px;
  background: rgba(13, 17, 23, 0.92);
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
  padding: 4px 8px;
  font: 10px var(--mono);
  border-radius: 3px;
}
.daily-editorial {
  padding: clamp(28px, 4.5vw, 48px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.daily-meta {
  display: flex;
  justify-content: space-between;
  gap: 15px;
  color: var(--accent-blue);
  font: 600 11px var(--mono);
  text-transform: uppercase;
  letter-spacing: .07em;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 10px;
}
.daily-editorial h3 {
  font-size: clamp(24px, 2.8vw, 38px);
  line-height: 1.15;
  margin: 20px 0 10px;
  color: #ffffff;
}
.daily-subject {
  font: 600 12px var(--mono);
  color: var(--accent-cyan);
  text-transform: uppercase;
}
.daily-summary {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
  margin: 16px 0;
}
.daily-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  border-top: 1px solid var(--border-subtle);
  padding-top: 14px;
  font: 11px var(--mono);
}
.daily-bottom a {
  color: var(--accent-blue);
  font-weight: 700;
  text-decoration: none;
}
.daily-bottom a:hover { text-decoration: underline; }
.record-status {
  font: 600 10px var(--mono);
  text-transform: uppercase;
  color: var(--accent-green);
}

/* Archive Section */
.archive { padding-block: 72px; }
.archive-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 48px;
}
.chapter-index {
  position: sticky;
  top: 20px;
  align-self: start;
  border-top: 1px solid var(--border-subtle);
  padding-top: 14px;
}
.category-filters { display: grid; gap: 2px; }
.category-filters button {
  text-align: left;
  border: 0;
  border-left: 2px solid transparent;
  border-bottom: 1px solid rgba(48, 54, 61, 0.4);
  background: transparent;
  padding: 12px 10px;
  color: var(--text-muted);
  font: 12px var(--sans);
  transition: all 0.15s ease;
}
.category-filters button:hover {
  background: var(--bg-card);
  color: var(--text-main);
}
.category-filters button span {
  display: inline-block;
  width: 24px;
  font: 600 10px var(--mono);
  color: var(--accent-blue);
}
.category-filters button[aria-pressed=true] {
  color: #fff;
  font-weight: 700;
  background: var(--bg-card);
  border-left: 3px solid var(--accent-blue);
}

.archive-search {
  display: grid;
  grid-template-columns: 1fr auto 180px;
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  background: var(--bg-card);
  margin-bottom: 25px;
  overflow: hidden;
}
.archive-search input, .archive-search select {
  border: 0;
  background: transparent;
  padding: 12px 14px;
  color: var(--text-main);
  outline: 0;
}
.archive-search select {
  border-left: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font: 12px var(--mono);
}
.archive-search select option { background: var(--bg-card); color: var(--text-main); }
.archive-search button {
  border: 0;
  background: var(--border-subtle);
  color: var(--accent-blue);
  font: 700 12px var(--mono);
  padding: 0 18px;
}
.archive-search button:hover { background: #3c444d; color: #fff; }

.archive-toolbar, .archive-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  margin-bottom: 16px;
}
.archive-status, .archive-bottom {
  color: var(--text-muted);
  font: 11px var(--mono);
}

.story-grid {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--border-subtle);
}
.story-card {
  display: grid;
  grid-template-columns: 40px 1fr;
  padding: 24px 0;
  border-bottom: 1px solid var(--border-subtle);
  transition: background 0.15s ease;
}
.story-card:before {
  content: counter(item, decimal-leading-zero);
  counter-increment: item;
  font: 700 11px var(--mono);
  color: var(--accent-blue);
  padding-top: 4px;
}
.story-grid { counter-reset: item; }
.story-kicker {
  display: flex;
  justify-content: space-between;
  gap: 15px;
  color: var(--accent-cyan);
  font: 600 10px var(--mono);
  text-transform: uppercase;
}
.story-card h3 {
  font-size: clamp(20px, 2.4vw, 28px);
  line-height: 1.2;
  margin: 8px 0;
}
.story-open {
  border: 0;
  background: transparent;
  color: #ffffff;
  text-align: left;
  padding: 0;
  font: inherit;
}
.story-open:hover, .story-open:focus-visible { color: var(--accent-blue); }
.story-subject {
  font: 600 11px var(--mono);
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.story-excerpt {
  max-width: 820px;
  color: var(--text-muted);
  font-size: 13.5px;
  line-height: 1.65;
}
.story-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 12px;
}
.story-arrow {
  border: 0;
  background: transparent;
  font-size: 20px;
  color: var(--accent-blue);
  padding: 0;
}
.story-arrow:hover { color: var(--accent-cyan); }

.archive-message {
  padding: 36px;
  text-align: center;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font: 13px var(--mono);
}
.archive-message button {
  margin-top: 12px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  color: var(--accent-blue);
  padding: 8px 16px;
  border-radius: 4px;
  font: 600 11px var(--mono);
}
.archive-bottom button {
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  color: var(--accent-blue);
  padding: 10px 22px;
  border-radius: 4px;
  font: 700 12px var(--mono);
}
.archive-bottom button:hover:not(:disabled) {
  background: #21262d;
  border-color: var(--accent-blue);
}
.archive-bottom button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Terminal Tools & Embed Section */
.tools-section {
  background: #090d13;
  color: var(--text-main);
  padding-block: 68px;
  border-top: 1px solid var(--border-subtle);
}
.tools-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
}
.tools-grid h2 {
  font-size: clamp(32px, 3.8vw, 54px);
  line-height: 1.05;
  color: #fff;
}
.tool-options details {
  border-top: 1px solid var(--border-subtle);
  padding: 16px 0;
}
.tool-options details:last-of-type { border-bottom: 1px solid var(--border-subtle); }
.tool-options summary {
  display: flex;
  justify-content: space-between;
  font: 700 15px var(--mono);
  cursor: pointer;
  color: var(--accent-blue);
}
.tool-options pre {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  background: #040608;
  padding: 14px;
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  color: #c9d1d9;
  font: 11.5px/1.6 var(--mono);
  margin-top: 10px;
}
.tool-options button {
  border: 0;
  background: transparent;
  color: var(--accent-cyan);
  font: 600 11px var(--mono);
  padding: 4px 0;
}

/* Site Footer */
.site-footer {
  display: flex;
  justify-content: space-between;
  padding-block: 36px;
  border-top: 1px solid var(--border-subtle);
}
.site-footer strong { font: 700 20px var(--mono); color: #fff; }
.site-footer p { color: var(--text-muted); margin: 4px 0 0; font-size: 13px; }

/* Dialog */
.story-dialog {
  width: min(840px, calc(100% - 30px));
  max-height: 90vh;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 0;
  background: var(--bg-card);
  color: var(--text-main);
  box-shadow: 0 24px 64px rgba(0,0,0,0.8);
}
.story-dialog::backdrop { background: rgba(0, 0, 0, 0.85); backdrop-filter: blur(4px); }
.dialog-top {
  position: sticky;
  top: 0;
  display: flex;
  justify-content: space-between;
  background: #0d1117;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--accent-blue);
  padding: 12px 20px;
  font: 700 11px var(--mono);
  text-transform: uppercase;
}
.dialog-top button { border: 0; background: transparent; color: var(--text-muted); font: 700 14px var(--mono); }
.dialog-top button:hover { color: #fff; }
.dialog-content { padding: clamp(24px, 5vw, 48px); }
.dialog-content h2 {
  font-size: clamp(26px, 3.5vw, 42px);
  line-height: 1.15;
  color: #ffffff;
  margin: 0;
}
.story-labels { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0; }
.story-labels span {
  border: 1px solid var(--border-subtle);
  background: #0d1117;
  padding: 4px 8px;
  font: 600 10px var(--mono);
  text-transform: uppercase;
  color: var(--accent-cyan);
  border-radius: 4px;
}
.story-body { font-size: 15px; line-height: 1.8; color: #c9d1d9; }
.story-sources {
  margin-top: 30px;
  border-top: 1px solid var(--border-subtle);
  padding-top: 16px;
  font-size: 13px;
}
.story-sources a { color: var(--accent-blue); }

@media (max-width: 850px) {
  .navigation-row { flex-wrap: wrap; }
  .navigation-row nav { order: 3; width: 100%; overflow-x: auto; }
  .hero, .tools-grid, .daily-feature, .archive-layout { grid-template-columns: 1fr; }
  .hero { gap: 36px; padding-block: 44px; }
  .hero-actions { border: 0; padding: 0; }
  .daily-art { min-height: 300px; }
  .chapter-index { position: static; }
  .category-filters { grid-template-columns: 1fr 1fr; }
  .archive-search { grid-template-columns: 1fr auto; }
  .archive-search select { grid-column: 1 / -1; border-left: 0; border-top: 1px solid var(--border-subtle); }
  .section-heading > p, .archive-heading > p { display: none; }
}

@media (max-width: 540px) {
  .wrap { width: min(100% - 24px, 1180px); }
  .masthead-note { display: none; }
  .hero h1 { font-size: 34px; }
  .category-filters { grid-template-columns: 1fr; }
  .daily-editorial { padding: 22px; }
  .story-card { grid-template-columns: 28px 1fr; }
  .site-footer { flex-direction: column; gap: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  html, * { scroll-behavior: auto !important; }
}