:root {
  --bg: #0a0d15;
  --bg2: #12182a;
  --panel: rgba(19, 25, 41, 0.92);
  --panel-soft: rgba(28, 36, 59, 0.92);
  --line: rgba(138, 182, 255, 0.22);
  --text: #edf3ff;
  --muted: #aeb8d9;
  --accent: #8ab6ff;
  --accent-2: #d1ae65;
  --danger: #ff8a8a;
  --success: #8fffba;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top, #1a2340 0%, var(--bg) 60%);
}
a { color: var(--accent); text-decoration: none; }
a:hover { opacity: 0.9; }
.app-shell { max-width: 1240px; margin: 0 auto; padding: 24px; }
.hero { display: flex; justify-content: space-between; gap: 24px; align-items: flex-start; padding: 12px 0 24px; }
.eyebrow { color: var(--accent-2); text-transform: uppercase; letter-spacing: 0.16em; font-size: 12px; margin-bottom: 10px; }
.hero h1 { margin: 0 0 8px; font-size: 42px; line-height: 1.05; }
.subtitle { margin: 0; max-width: 760px; color: var(--muted); }
.topnav { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.topnav a, button, .button-link {
  display: inline-flex; align-items: center; justify-content: center;
  background: linear-gradient(180deg, #223050, #18223a);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 16px;
  cursor: pointer;
  font: inherit;
}
.nav-cta { box-shadow: 0 0 0 1px rgba(209,174,101,0.35) inset; }
.user-chip { padding: 10px 14px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); }
.inline-form { display: inline; }
.flash { border-radius: 14px; padding: 14px 18px; margin-bottom: 18px; border: 1px solid var(--line); }
.flash.error { background: rgba(90, 27, 27, 0.45); color: #ffd3d3; }
.flash.success { background: rgba(21, 82, 43, 0.4); color: #d9ffe7; }
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 22px;
  box-shadow: 0 18px 50px rgba(0,0,0,0.28);
}
.hero-panel { min-height: 100%; }
.side-panel { min-height: 100%; }
.full-width { margin-top: 18px; }
.grid-two { display: grid; grid-template-columns: 1.35fr 1fr; gap: 18px; }
.single-column { display: grid; gap: 18px; }
.narrow { max-width: 760px; margin: 0 auto; }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
.section-heading h2, .panel h2, .panel h3 { margin-top: 0; }
.video-frame { background: #05070d; border: 1px solid var(--line); border-radius: 18px; overflow: hidden; aspect-ratio: 16 / 9; }
.video-frame iframe, .video-frame video { width: 100%; height: 100%; border: 0; display: block; }
.status-line { margin-top: 14px; color: var(--muted); }
.stack-list { display: grid; gap: 12px; }
.list-card, .reply-card, .announcement-card, .chat-row {
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
  display: grid;
  gap: 6px;
}
.list-card strong, .announcement-card h3 { color: var(--text); }
.meta, .list-card span, .list-card small, .muted { color: var(--muted); }
.announcement-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px; }
.announcement-card p, .reply-card p, .chat-row p, .thread-card p { white-space: pre-wrap; margin-bottom: 0; }
.compact p { margin-top: 4px; }
.empty-state {
  border: 1px dashed var(--line);
  border-radius: 16px;
  padding: 18px;
  color: var(--muted);
  background: rgba(255,255,255,0.02);
}
.form-grid { display: grid; gap: 14px; }
label { display: grid; gap: 8px; color: var(--muted); }
input, textarea {
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #0f1526;
  color: var(--text);
  padding: 12px 14px;
  font: inherit;
}
textarea { min-height: 180px; resize: vertical; }
.chat-box { display: grid; gap: 10px; max-height: 560px; overflow: auto; padding-right: 6px; }
.chat-form { display: grid; gap: 10px; margin-top: 16px; }
.center-panel { text-align: center; }
.button-link { display: inline-flex; margin: 8px auto; }
.site-footer { display: flex; justify-content: space-between; gap: 16px; color: var(--muted); padding: 26px 4px 8px; font-size: 14px; }
.text-link { color: var(--accent-2); }
@media (max-width: 980px) {
  .hero, .grid-two, .announcement-grid, .site-footer { grid-template-columns: 1fr; display: grid; }
  .hero { gap: 18px; }
}

.home-video-frame { position: relative; }
.hero-video { object-fit: cover; background: #05070d; }
.video-help { margin-top: 10px; font-size: 14px; }
code { background: rgba(255,255,255,0.06); border: 1px solid var(--line); padding: 2px 6px; border-radius: 8px; }