:root {
  --bg: #0b0f17;
  --panel: #141a26;
  --panel-2: #1b2333;
  --line: #2a3447;
  --text: #eef2f8;
  --muted: #9aa6ba;
  --accent: #ffb347;
  --systems: #6cc3ff;
  --planets: #7ee08a;
  --resources: #ffb347;
  --tab: var(--accent);
  --radius: 14px;
  --gutter: 16px;
  color-scheme: dark;
}
:root[data-section="systems"] { --tab: var(--systems); }
:root[data-section="planets"] { --tab: var(--planets); }
:root[data-section="resources"] { --tab: var(--resources); }

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 19px/1.4 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", system-ui, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding-bottom: env(safe-area-inset-bottom);
}
a { color: inherit; }
button { font: inherit; color: inherit; }

/* Top bar */
.top {
  position: sticky; top: 0; z-index: 10;
  display: flex; gap: 12px; align-items: center;
  padding: calc(10px + env(safe-area-inset-top)) var(--gutter) 10px;
  background: rgba(11, 15, 23, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 8px; text-decoration: none; font-weight: 700; white-space: nowrap; }
.brand img { display: block; }
.search-wrap { position: relative; flex: 1; min-width: 0; }
#q {
  width: 100%;
  font: inherit; font-size: 18px;
  padding: 10px 40px 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  outline: none;
}
#q:focus { border-color: var(--tab); }
.q-clear {
  position: absolute; right: 6px; top: 50%; transform: translateY(-50%);
  width: 32px; height: 32px; border: 0; border-radius: 8px;
  background: transparent; color: var(--muted); font-size: 24px; cursor: pointer;
}

/* Tabs */
.tabs {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 8px; padding: 10px var(--gutter);
}
.tabs a {
  display: flex; justify-content: center; align-items: center; gap: 8px;
  padding: 12px 8px; border-radius: 12px;
  background: var(--panel); border: 1px solid var(--line);
  text-decoration: none; font-weight: 700;
}
.tabs a .k { font-size: 12px; color: var(--muted); border: 1px solid var(--line); border-radius: 5px; padding: 0 5px; }
.tabs a[aria-current="page"] { border-color: var(--tab); color: var(--tab); background: var(--panel-2); }
.tabs a[data-tab="systems"][aria-current="page"] { --tab: var(--systems); }
.tabs a[data-tab="planets"][aria-current="page"] { --tab: var(--planets); }
.tabs a[data-tab="resources"][aria-current="page"] { --tab: var(--resources); }

main { flex: 1; padding: 4px var(--gutter) 24px; outline: none; max-width: 1200px; width: 100%; margin: 0 auto; }
.loading { color: var(--muted); padding: 24px 0; }

/* Group lists */
.jump { display: flex; flex-wrap: wrap; gap: 8px; margin: 4px 0 10px; }
.jump a { font-size: 15px; color: var(--muted); text-decoration: none; padding: 4px 10px; border: 1px solid var(--line); border-radius: 999px; }
.jump a:hover { color: var(--text); }
.group h2 {
  font-size: 15px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--tab); margin: 18px 0 8px;
}
.grid { display: grid; gap: 10px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.item {
  display: block; text-decoration: none;
  padding: 12px 14px; border-radius: var(--radius);
  background: var(--panel); border: 1px solid var(--line);
}
.item:hover, .item:focus-visible { border-color: var(--tab); outline: none; }
.item .n { font-weight: 700; font-size: 20px; display: block; }
.item .t { color: var(--muted); font-size: 16px; display: block; margin-top: 2px; }
.item .why { color: var(--tab); font-size: 14px; display: block; margin-top: 4px; }
.item .sec { float: right; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }

/* Detail card */
.back { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); text-decoration: none; padding: 8px 0; font-size: 17px; }
.card {
  background: var(--panel); border: 1px solid var(--line); border-top: 4px solid var(--tab);
  border-radius: var(--radius); padding: 16px 18px; max-width: 760px;
}
.card .grp { color: var(--tab); font-size: 14px; letter-spacing: .08em; text-transform: uppercase; }
.card h1 { margin: 4px 0 2px; font-size: 32px; line-height: 1.15; }
.card .tag { font-size: 22px; color: var(--text); margin: 6px 0 14px; font-weight: 600; }
.facts { display: grid; grid-template-columns: max-content 1fr; gap: 0; margin: 0; }
.facts dt, .facts dd { padding: 9px 0; border-top: 1px solid var(--line); margin: 0; }
.facts dt { color: var(--muted); padding-right: 16px; font-size: 16px; padding-top: 11px; }
.facts dd { font-size: 20px; }
.chips-h { font-size: 14px; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; margin: 18px 0 8px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  text-decoration: none; padding: 8px 12px; border-radius: 999px; font-size: 17px;
  background: var(--panel-2); border: 1px solid var(--line);
}
.chip:hover, .chip:focus-visible { border-color: var(--text); outline: none; }
.chip[data-s="systems"] { border-left: 4px solid var(--systems); }
.chip[data-s="planets"] { border-left: 4px solid var(--planets); }
.chip[data-s="resources"] { border-left: 4px solid var(--resources); }
details.aka { margin-top: 16px; color: var(--muted); font-size: 16px; }
details.aka summary { cursor: pointer; padding: 6px 0; }
details.aka p { margin: 4px 0 0; line-height: 1.6; }
.src { margin-top: 16px; font-size: 14px; color: var(--muted); }
.src a { color: var(--muted); }

.empty { color: var(--muted); padding: 24px 0; }
.prose { max-width: 760px; }
.prose h1 { font-size: 28px; }
.prose p, .prose li { color: var(--text); }
.prose a { color: var(--accent); }

/* Footer */
.foot {
  display: flex; flex-wrap: wrap; gap: 6px 16px; justify-content: center;
  padding: 12px var(--gutter) calc(12px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--line); color: var(--muted); font-size: 14px;
}
.foot a { color: var(--muted); }
.net::before { content: "●"; margin-right: 4px; color: #7ee08a; }
.net.off::before { color: #ff7a7a; }

.toast {
  position: fixed; left: 50%; bottom: calc(20px + env(safe-area-inset-bottom)); transform: translateX(-50%);
  background: var(--panel-2); border: 1px solid var(--accent); color: var(--text);
  padding: 12px 16px; border-radius: 12px; z-index: 20; max-width: calc(100vw - 32px);
}
.toast button { margin-left: 10px; background: var(--accent); color: #111; border: 0; border-radius: 8px; padding: 6px 10px; font-weight: 700; cursor: pointer; }

@media (max-width: 560px) {
  body { font-size: 18px; }
  .brand span { display: none; }
  .tabs a .k { display: none; }
  .card h1 { font-size: 28px; }
  .facts { grid-template-columns: 1fr; }
  .facts dt { border-top: 1px solid var(--line); padding-bottom: 0; }
  .facts dd { border-top: 0; padding-top: 2px; }
}