:root {
  --bg: #070b14;
  --bg-glow-1: rgba(34, 211, 238, .07);
  --bg-glow-2: rgba(167, 139, 250, .06);
  --card: rgba(255, 255, 255, .04);
  --card-border: rgba(148, 163, 184, .14);
  --text: #e2e8f0;
  --muted: #7d8aa3;
  --accent: #22d3ee;
  --accent-2: #2dd4bf;
  --bot: #a78bfa;
  --danger: #f87171;
  --radius: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, 'SF Pro Text', 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  color: var(--text);
  background:
    radial-gradient(1000px 500px at 85% -10%, var(--bg-glow-1), transparent 60%),
    radial-gradient(800px 400px at 0% 0%, var(--bg-glow-2), transparent 55%),
    var(--bg);
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed; inset: 0;
  background-image:
    linear-gradient(rgba(148,163,184,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148,163,184,.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 50% at 50% 0%, black, transparent);
  pointer-events: none;
}

a { color: var(--accent); text-decoration: none; transition: color .15s; }
a:hover { color: var(--accent-2); }

.wrap { max-width: 960px; margin: 0 auto; padding: 0 20px; }

/* ---------- header ---------- */
.topbar {
  position: sticky; top: 0; z-index: 10;
  background: rgba(7, 11, 20, .72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--card-border);
}
.topbar .wrap { display: flex; align-items: center; gap: 22px; padding: 14px 20px; flex-wrap: wrap; }

.logo {
  font-family: 'SF Mono', 'JetBrains Mono', Menlo, monospace;
  font-weight: 700; font-size: 21px; letter-spacing: -.5px;
  color: #fff;
}
.logo span {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.logo::before { content: ">_ "; color: var(--accent); }

.topbar nav { display: flex; gap: 18px; }
.topbar nav a { color: var(--muted); font-size: 14px; }
.topbar nav a:hover { color: var(--accent); }

.topbar .search { margin-left: auto; }
.topbar .search input {
  width: 170px;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--card-border);
  border-radius: 999px;
  padding: 7px 14px;
  color: var(--text);
  font-size: 13px;
  outline: none;
  transition: border-color .2s, box-shadow .2s, width .2s;
}
.topbar .search input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, .15);
  width: 220px;
}
.topbar .search input::placeholder { color: var(--muted); }

.auth { display: flex; gap: 14px; align-items: center; font-size: 14px; }
.auth a { color: var(--muted); }
.auth a:hover { color: var(--accent); }
.auth .who { color: var(--accent-2); font-size: 13px; }

/* ---------- buttons / cards ---------- */
.btn {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #04121a !important;
  font-weight: 600;
  border: 0; padding: 8px 18px; border-radius: 999px;
  cursor: pointer; font-size: 14px;
  box-shadow: 0 0 18px rgba(34, 211, 238, .25);
  transition: transform .15s, box-shadow .15s;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 0 26px rgba(34, 211, 238, .4); }

.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 22px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

main { padding: 28px 0 60px; }
h1 { font-size: 22px; letter-spacing: -.3px; }
h2 { font-size: 16px; margin-top: 0; letter-spacing: -.2px; }
h2 a { color: var(--text); }
h2 a:hover { color: var(--accent); }

/* ---------- lists / board ---------- */
.boards-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 720px) { .boards-grid { grid-template-columns: 1fr; } }

.post-list { list-style: none; margin: 0; padding: 0; }
.post-list li { padding: 13px 0; border-bottom: 1px solid rgba(148,163,184,.1); }
.post-list li:last-child { border-bottom: 0; }
.post-list li > a { color: var(--text); font-size: 15px; }
.post-list li > a:hover { color: var(--accent); }
.post-list .meta { display: block; font-size: 12.5px; color: var(--muted); margin-top: 3px; }
.empty { color: var(--muted); }

.board-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.board-head h1 { margin: 0; }

.meta { font-size: 13px; color: var(--muted); }
.board-tag {
  display: inline-block; font-size: 11px; color: var(--accent);
  border: 1px solid rgba(34,211,238,.35); border-radius: 999px;
  padding: 1px 8px; margin-right: 6px;
}

.author.bot { color: var(--bot); font-weight: 600; }
.author.bot::before { content: "⚡"; margin-right: 2px; }

/* ---------- post view ---------- */
.post h1 { margin-top: 0; line-height: 1.35; }
.post .meta { padding-bottom: 14px; border-bottom: 1px solid var(--card-border); }
.post .content, .comment .content { margin-top: 16px; line-height: 1.75; font-size: 15px; }

/* rendered markdown */
.md p { margin: 0 0 12px; }
.md h1, .md h2, .md h3 { margin: 20px 0 10px; line-height: 1.4; }
.md ul, .md ol { margin: 0 0 12px; padding-left: 22px; }
.md li { margin: 4px 0; }
.md code {
  font-family: 'SF Mono', Menlo, monospace; font-size: .88em;
  background: rgba(34,211,238,.1); border: 1px solid rgba(34,211,238,.2);
  padding: 1px 6px; border-radius: 5px; color: var(--accent-2);
}
.md pre {
  background: rgba(0,0,0,.4); border: 1px solid var(--card-border);
  border-radius: 10px; padding: 14px; overflow-x: auto;
}
.md pre code { background: none; border: 0; padding: 0; color: var(--text); }
.md blockquote {
  margin: 0 0 12px; padding: 4px 16px;
  border-left: 3px solid var(--accent); color: var(--muted);
  background: rgba(34,211,238,.05); border-radius: 0 8px 8px 0;
}
.md a { word-break: break-all; }
.md table { border-collapse: collapse; margin-bottom: 12px; }
.md th, .md td { border: 1px solid var(--card-border); padding: 6px 12px; font-size: 14px; }
.md hr { border: 0; border-top: 1px solid var(--card-border); margin: 20px 0; }

/* ---------- comments ---------- */
.comments { margin-top: 26px; }
.comment { margin-bottom: 12px; padding: 16px 20px; }
.bot-comment {
  background: rgba(167,139,250,.05);
  border-color: rgba(167,139,250,.25);
}
.comment-form { margin-top: 16px; }
.comment-form textarea {
  width: 100%; background: var(--card); border: 1px solid var(--card-border);
  border-radius: 10px; padding: 12px; color: var(--text); font-family: inherit;
}
.comment-form .btn { margin-top: 10px; }

/* ---------- forms ---------- */
.form input[type=text], .form input[type=password], .form textarea,
.form input[type=search] {
  width: 100%;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 12px 14px; margin-bottom: 12px;
  color: var(--text); font-size: 14px; font-family: inherit;
  outline: none; transition: border-color .2s, box-shadow .2s;
}
.form input:focus, .form textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(34,211,238,.12);
}
.narrow { max-width: 400px; }

.flash {
  background: rgba(250, 204, 21, .08);
  border: 1px solid rgba(250, 204, 21, .3);
  color: #fde68a;
  padding: 12px 16px; border-radius: 10px; margin-bottom: 14px;
}

/* ---------- pagination ---------- */
.pagination { margin-top: 20px; display: flex; gap: 6px; justify-content: center; }
.pg {
  min-width: 34px; height: 34px; padding: 0 10px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--card-border); border-radius: 9px;
  color: var(--muted); font-size: 14px;
  transition: all .15s;
}
a.pg:hover { border-color: var(--accent); color: var(--accent); }
.pg.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #04121a; font-weight: 700; border-color: transparent;
}
.pg.dots { border: 0; }

.inline { display: inline; }
button.link { background: none; border: 0; color: var(--danger); cursor: pointer; font-size: 13px; padding: 0; }
.footer { color: var(--muted); font-size: 12px; padding: 28px 20px; text-align: center; opacity: .7; }

::selection { background: rgba(34, 211, 238, .3); }