/* AI Festival — brainstorm pack
   Aesthetic: midnight + neon (festival), serious typography, dense for scanning */

:root {
  --bg: #0a0a12;
  --bg-1: #11111c;
  --bg-2: #181828;
  --surface: #1a1a2a;
  --line: #25253a;
  --line-2: #303049;
  --ink: #ececf5;
  --ink-dim: #a0a0bb;
  --ink-mute: #6e6e88;
  --accent: #c8ff00;
  --accent-2: #ff3d8a;
  --accent-3: #4dd2ff;
  --warn: #ffb547;
  --ok: #8aff8a;
  --maxw: 1320px;
  --side: 280px;
  --font-sans: "Inter", -apple-system, system-ui, sans-serif;
  --font-display: "Space Grotesk", "Inter", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Background grain */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(1200px 800px at 80% -10%, rgba(255, 61, 138, 0.08), transparent 60%),
    radial-gradient(1000px 700px at -10% 110%, rgba(77, 210, 255, 0.07), transparent 60%),
    radial-gradient(800px 600px at 50% 50%, rgba(200, 255, 0, 0.03), transparent 70%);
  z-index: -1;
}

/* Layout */
.layout {
  display: grid;
  grid-template-columns: var(--side) 1fr;
  min-height: 100vh;
}

aside.nav {
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  overflow-y: auto;
  border-right: 1px solid var(--line);
  background: linear-gradient(180deg, var(--bg-1), var(--bg));
  padding: 28px 22px;
}
.nav .brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 4px;
}
.nav .brand .dot { color: var(--accent); }
.nav .tag {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink-mute);
  margin-bottom: 28px;
}
.nav ol { list-style: none; padding: 0; margin: 0 0 24px; counter-reset: navc; }
.nav ol li { counter-increment: navc; margin-bottom: 2px; }
.nav ol li a {
  display: block;
  padding: 9px 12px 9px 36px;
  color: var(--ink-dim);
  text-decoration: none;
  border-radius: 6px;
  font-size: 13.5px;
  position: relative;
  transition: background 0.15s, color 0.15s;
}
.nav ol li a::before {
  content: counter(navc, decimal-leading-zero);
  position: absolute;
  left: 10px; top: 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-mute);
}
.nav ol li a:hover { background: var(--surface); color: var(--ink); }
.nav ol li a.active {
  background: var(--surface);
  color: var(--accent);
  font-weight: 600;
}
.nav .footnote {
  font-size: 11px;
  color: var(--ink-mute);
  border-top: 1px solid var(--line);
  padding-top: 16px;
  margin-top: 24px;
  line-height: 1.5;
}

main {
  padding: 56px 64px 120px;
  max-width: 100%;
}
.page { max-width: 980px; }

/* Hero */
.hero {
  padding: 24px 0 56px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 48px;
}
.kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 28px;
}
h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(40px, 5.5vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.035em;
  margin: 0 0 18px;
}
h1 .neon { color: var(--accent); }
h1 .pink { color: var(--accent-2); }
.lead {
  font-size: 19px;
  line-height: 1.55;
  color: var(--ink-dim);
  max-width: 760px;
  margin: 0;
}
.lead strong { color: var(--ink); font-weight: 600; }

h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 32px;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin: 64px 0 14px;
}
h2::before {
  content: "§ ";
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.6em;
  vertical-align: 0.25em;
  margin-right: 4px;
}
h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 22px;
  letter-spacing: -0.015em;
  margin: 40px 0 10px;
  color: var(--ink);
}
h4 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: 0;
  margin: 24px 0 8px;
  color: var(--ink);
}

p { margin: 0 0 14px; }
a { color: var(--accent-3); text-decoration: none; border-bottom: 1px dotted rgba(77, 210, 255, 0.4); }
a:hover { color: var(--accent); border-bottom-color: var(--accent); }

ul, ol { margin: 0 0 18px; padding-left: 22px; }
li { margin-bottom: 6px; }

strong { color: var(--ink); }
em { color: var(--ink-dim); font-style: italic; }

code, .mono {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--accent-3);
}
pre {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 6px;
  padding: 16px 18px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.55;
  color: var(--ink-dim);
}

/* Cards */
.cards {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  margin: 18px 0 28px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 20px;
  transition: border-color 0.15s, transform 0.15s;
}
.card:hover { border-color: var(--line-2); }
.card h4 { margin-top: 0; }
.card .meta {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-mute);
  margin-bottom: 8px;
}
.card.accent { border-color: var(--accent); }
.card.accent h4 { color: var(--accent); }
.card.warn { border-left: 3px solid var(--warn); }
.card.ok { border-left: 3px solid var(--ok); }
.card.pink { border-left: 3px solid var(--accent-2); }
.card.cyan { border-left: 3px solid var(--accent-3); }

/* Tag */
.tag-pill {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  color: var(--ink-dim);
  margin-right: 6px;
  margin-bottom: 6px;
  background: var(--bg-1);
}
.tag-pill.accent { color: var(--accent); border-color: var(--accent); }
.tag-pill.pink { color: var(--accent-2); border-color: var(--accent-2); }
.tag-pill.cyan { color: var(--accent-3); border-color: var(--accent-3); }
.tag-pill.warn { color: var(--warn); border-color: var(--warn); }

/* Table */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 28px;
  font-size: 14px;
}
th, td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
th {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  border-bottom: 1px solid var(--line-2);
}
tbody tr:hover { background: var(--surface); }

/* Quote / callout */
.callout {
  background: linear-gradient(180deg, rgba(200, 255, 0, 0.04), transparent);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  padding: 18px 22px;
  border-radius: 6px;
  margin: 24px 0;
}
.callout.warn { border-left-color: var(--warn); background: linear-gradient(180deg, rgba(255, 181, 71, 0.05), transparent); }
.callout.pink { border-left-color: var(--accent-2); background: linear-gradient(180deg, rgba(255, 61, 138, 0.05), transparent); }
.callout.cyan { border-left-color: var(--accent-3); background: linear-gradient(180deg, rgba(77, 210, 255, 0.05), transparent); }
.callout p:last-child { margin-bottom: 0; }
.callout .label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  display: block;
  margin-bottom: 6px;
}
.callout.warn .label { color: var(--warn); }
.callout.pink .label { color: var(--accent-2); }
.callout.cyan .label { color: var(--accent-3); }

/* Sources block */
.sources {
  margin-top: 32px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.sources h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink-mute);
  margin: 0 0 12px;
  font-weight: 500;
}
.sources ul {
  list-style: none;
  padding-left: 0;
  columns: 2;
  column-gap: 32px;
  font-size: 13px;
}
.sources ul li {
  margin-bottom: 6px;
  break-inside: avoid;
  color: var(--ink-mute);
}
.sources ul li a {
  color: var(--ink-dim);
  border-bottom: 1px dotted var(--line-2);
}
.sources ul li a:hover { color: var(--accent); }

/* Page footer / next-prev */
.pager {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 80px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
  font-family: var(--font-display);
}
.pager a {
  border: none;
  color: var(--ink);
  font-size: 16px;
}
.pager a span {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--ink-mute);
  margin-bottom: 4px;
}
.pager a:hover { color: var(--accent); }

/* Misc */
.divider { height: 1px; background: var(--line); margin: 32px 0; border: none; }
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin: 24px 0 32px;
}
.stat {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px 20px;
  background: var(--surface);
}
.stat .num {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--accent);
  line-height: 1;
  display: block;
  margin-bottom: 6px;
}
.stat .num.pink { color: var(--accent-2); }
.stat .num.cyan { color: var(--accent-3); }
.stat .lbl {
  font-size: 12px;
  color: var(--ink-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* TOC mini */
.toc {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px 24px;
  margin: 24px 0 40px;
}
.toc h4 {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink-mute);
  font-weight: 500;
}
.toc ol {
  margin: 0;
  padding-left: 22px;
  font-size: 14px;
}
.toc ol li { margin-bottom: 4px; }
.toc ol li a { color: var(--ink-dim); border: none; }
.toc ol li a:hover { color: var(--accent); }

/* Comments widget */
#comments-root {
  margin-top: 80px;
  scroll-margin-top: 20px;
}
.cm-widget {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 22px 26px 18px;
  transition: box-shadow 0.4s ease;
}
.cm-widget.cm-flash {
  box-shadow: 0 0 0 2px var(--accent), 0 0 24px rgba(200, 255, 0, 0.2);
}
.cm-header {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
  margin-bottom: 16px;
}
.cm-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.01em;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.cm-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: var(--bg);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  min-width: 22px;
  height: 20px;
  padding: 0 7px;
  border-radius: 999px;
}
.cm-status {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--ink-mute);
}
.cm-status::before {
  content: "●";
  margin-right: 6px;
}
.cm-status[data-state="online"]::before { color: var(--ok); animation: cm-pulse 2s ease-in-out infinite; }
.cm-status[data-state="offline"]::before { color: var(--accent-2); }
.cm-status[data-state="loading"]::before { color: var(--warn); }
@keyframes cm-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}
.cm-setauthor {
  background: transparent;
  border: 1px solid var(--line-2);
  color: var(--ink-dim);
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 5px 11px;
  border-radius: 4px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}
.cm-setauthor:hover { color: var(--accent); border-color: var(--accent); }

.cm-list { margin-bottom: 16px; }
.cm-empty {
  color: var(--ink-mute);
  font-size: 14px;
  font-style: italic;
  padding: 8px 0 16px;
}
.cm-item {
  border-left: 2px solid var(--line-2);
  padding: 10px 0 12px 14px;
  margin-bottom: 12px;
  transition: border-left-color 0.2s;
}
.cm-item:hover { border-left-color: var(--accent); }
.cm-head {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  margin-bottom: 6px;
}
.cm-author {
  color: var(--accent);
  font-weight: 600;
  font-size: 13px;
}
.cm-time {
  color: var(--ink-mute);
  font-family: var(--font-mono);
  font-size: 11px;
}
.cm-anchor {
  background: var(--surface);
  color: var(--accent-3) !important;
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 2px 7px;
  border-radius: 3px;
  border: none !important;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.cm-anchor:hover { color: var(--accent) !important; }
.cm-del {
  margin-left: auto;
  background: transparent;
  border: none;
  color: var(--ink-mute);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  padding: 0 6px;
  border-radius: 3px;
  transition: color 0.15s;
}
.cm-del:hover { color: var(--accent-2); }
.cm-text {
  font-size: 14.5px;
  color: var(--ink);
  line-height: 1.55;
  word-break: break-word;
}

.cm-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.cm-form input,
.cm-form textarea {
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 9px 12px;
  border-radius: 5px;
  font-family: var(--font-sans);
  font-size: 14px;
  resize: vertical;
  transition: border-color 0.15s;
}
.cm-form input {
  font-family: var(--font-mono);
  font-size: 12px;
}
.cm-form input:focus,
.cm-form textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.cm-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.cm-hint {
  font-size: 12px;
  color: var(--ink-mute);
}
.cm-hint b { color: var(--ink); }
.cm-hint code {
  font-size: 11px;
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 1px 6px;
  border-radius: 3px;
  color: var(--accent-3);
}
#cm-send {
  background: var(--accent);
  color: var(--bg);
  border: none;
  padding: 9px 20px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.01em;
  border-radius: 5px;
  cursor: pointer;
  transition: background 0.15s, transform 0.05s;
}
#cm-send:hover { background: var(--ink); }
#cm-send:active { transform: translateY(1px); }
#cm-send:disabled { opacity: 0.5; cursor: not-allowed; }

/* Print */
@media print {
  body::before { display: none; }
  aside.nav { display: none; }
  .layout { grid-template-columns: 1fr; }
  main { padding: 0; }
  a { color: black; border: none; }
  body { background: white; color: black; }
  h1, h2, h3, h4 { color: black; }
  .card, .callout, table { break-inside: avoid; }
}

@media (max-width: 980px) {
  .layout { grid-template-columns: 1fr; }
  aside.nav {
    position: relative;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--line);
  }
  main { padding: 32px 20px 64px; }
}