/* Interstellar Object Curious Explainer styles */
:root {
  --bg: #0b1020;
  --bg-soft: #121833;
  --panel: #161d3a;
  --panel-2: #1c2447;
  --line: #2a3360;
  --ink: #eef2ff;
  --ink-soft: #c4cdfb;
  --muted: #8a94c7;
  --accent: #ffd27f;
  --accent-2: #7fb0ff;
  --danger: #ff8a8a;
  --radius: 14px;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background:
    radial-gradient(1200px 600px at 80% -10%, #1a2350 0%, transparent 60%),
    radial-gradient(900px 500px at -10% 30%, #18214a 0%, transparent 60%),
    var(--bg);
  color: var(--ink);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

.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;
}

.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 12px 20px;
  background: rgba(11, 16, 32, 0.85);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line);
}

.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 600; }
.brand:hover { text-decoration: none; }
.brand-text { letter-spacing: 0.2px; }

.topnav { display: flex; gap: 16px; flex-wrap: wrap; }
.topnav a {
  color: var(--ink-soft);
  font-size: 14px;
  padding: 6px 8px;
  border-radius: 8px;
}
.topnav a:hover { background: var(--panel); text-decoration: none; color: var(--ink); }

.wrap { max-width: 1080px; margin: 0 auto; padding: 32px 20px 64px; }

.hero { padding: 24px 0 8px; max-width: 820px; }
.hero .eyebrow {
  text-transform: uppercase; letter-spacing: 2px;
  color: var(--accent); font-size: 12px; margin: 0 0 8px;
}
.hero h1 { font-size: clamp(28px, 4vw, 44px); margin: 0 0 12px; line-height: 1.15; }
.hero .lede { color: var(--ink-soft); font-size: 17px; margin: 0 0 16px; }
.hero-meta { display: flex; gap: 18px; flex-wrap: wrap; color: var(--muted); font-size: 13px; }

.panel {
  margin-top: 28px;
  background: linear-gradient(180deg, var(--panel) 0%, var(--panel-2) 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}
.panel-head h2 { margin: 0 0 6px; font-size: 22px; }
.panel-head p { margin: 0 0 14px; color: var(--ink-soft); }

.presets { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 10px; margin-bottom: 16px; }
.preset {
  text-align: left;
  background: var(--bg-soft);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  cursor: pointer;
  transition: border-color .15s ease, transform .15s ease, background .15s ease;
}
.preset strong { display: block; font-size: 15px; margin-bottom: 4px; }
.preset span { color: var(--muted); font-size: 13px; }
.preset:hover { border-color: var(--accent-2); transform: translateY(-1px); }
.preset.is-active { border-color: var(--accent); background: #1a2348; box-shadow: inset 0 0 0 1px var(--accent); }

.orbit-stage {
  display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 16px;
  background: #0a0f22;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
}
.orbit-svg { width: 100%; height: auto; border-radius: 8px; background: #0a0f22; max-height: 360px; }
.orbit-details h3 { margin: 0 0 8px; font-size: 18px; }
.orbit-details p { margin: 0 0 12px; color: var(--ink-soft); }
.orbit-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 16px; margin: 0; }
.orbit-facts dt { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 1px; }
.orbit-facts dd { margin: 2px 0 0; font-size: 14px; }
.panel-foot { margin: 12px 0 0; color: var(--muted); font-size: 13px; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.card {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
}
.card h3 { margin: 0 0 6px; font-size: 16px; color: var(--accent); }
.card p { margin: 0 0 8px; color: var(--ink-soft); }
.card .muted, .muted { color: var(--muted); font-size: 13px; }

.table-wrap { margin-top: 18px; }
.table-wrap h3 { margin: 0 0 8px; font-size: 16px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
thead th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); }
thead th { color: var(--muted); font-weight: 600; }

.gallery { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.gallery li { background: var(--bg-soft); border: 1px solid var(--line); border-radius: 12px; padding: 14px; }
.gallery h3 { margin: 0 0 6px; font-size: 16px; color: var(--accent); }

.mistakes { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.mistakes li { background: var(--bg-soft); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; }
.mistakes strong { display: block; color: var(--accent); margin-bottom: 4px; }
.mistakes span { color: var(--ink-soft); }

.print-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; }
.print-card {
  background: #0a0f22;
  border: 1px dashed var(--line);
  border-radius: 12px;
  padding: 14px;
  font-size: 14px;
}
.print-card h3 { margin: 0 0 8px; color: var(--accent); font-size: 15px; }
.print-card p { margin: 0 0 6px; color: var(--ink-soft); }

.actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 14px; }
.btn {
  background: var(--accent);
  color: #2a1c00;
  border: 0;
  font-weight: 600;
  padding: 10px 16px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 14px;
}
.btn:hover { filter: brightness(1.05); }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn.ghost:hover { border-color: var(--accent-2); }

.form-status { color: var(--accent); font-size: 13px; }

textarea {
  width: 100%;
  background: #0a0f22;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px;
  font-family: inherit;
  font-size: 14px;
  resize: vertical;
}

.read-panel h3 { margin: 18px 0 6px; font-size: 16px; color: var(--accent-2); }
.read-panel ul { padding-left: 18px; color: var(--ink-soft); }
.read-panel li { margin-bottom: 4px; }
.read-panel p { color: var(--ink-soft); }

.sitefoot {
  margin-top: 36px;
  padding: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  text-align: center;
  font-size: 13px;
}

@media (max-width: 720px) {
  .orbit-stage { grid-template-columns: 1fr; }
  .orbit-facts { grid-template-columns: 1fr; }
  .topnav { gap: 8px; }
  .topnav a { font-size: 13px; padding: 4px 6px; }
}

@media print {
  body { background: #fff; color: #111; }
  .panel { box-shadow: none; border-color: #ccc; break-inside: avoid; }
  .topnav, .orbit-stage, .actions, .sitefoot, .hero-meta { display: none; }
  .print-card { border: 1px solid #999; }
}


/* Factory-injected deployment helpers. The AI owns the site design above this block. */
.ad-unit {
  width: min(100%, 720px);
  min-height: 120px;
  margin: 24px auto;
  display: block;
}

.legal-page {
  width: min(900px, calc(100% - 32px));
  margin: 40px auto;
}

.factory-fallback-nav {
  width: min(900px, calc(100% - 32px));
  margin: 24px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  font-size: 0.95rem;
}

.factory-fallback-nav a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}