:root {
  color-scheme: light dark;
  /* "Glass" panel tokens — cards sit as translucent panels over the fixed
     starfield/photo background (see body::before/::after below), so these
     are alpha colors rather than solid ones. Light/dark toggle changes how
     opaque/tinted the glass is, not the backdrop itself. */
  --bg: transparent;
  --bg-elev: #ffffff;
  --bg-elev-2: #f6f1e6;
  --text: #14161f;
  --text-dim: #4c5170;
  --border: rgba(20, 22, 31, 0.12);
  --accent: #c9670c;
  --accent-text: #ffffff;
  --accent-soft: #fbe6cf;
  --link: #1d6fbf;
  --planet: #1d6fbf;
  --bd: #b23a48;
  --bdplanet: #8a5a2b;
  --ffp: #5b3fa0;
  --row-hover: rgba(0, 0, 0, 0.04);
  --shadow: 0 1px 3px rgba(20, 22, 31, 0.1), 0 8px 24px rgba(20, 22, 31, 0.08);
  --glass-blur: blur(14px);
  --radius: 10px;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

:root:not([data-theme="light"]) {
  @media (prefers-color-scheme: dark) {
    --bg-elev: rgba(18, 20, 30, 0.68);
    --bg-elev-2: rgba(255, 255, 255, 0.06);
    --text: #eef1fb;
    --text-dim: #aab0d0;
    --border: rgba(255, 255, 255, 0.14);
    --accent: #e08a2c;
    --accent-text: #191008;
    --accent-soft: #3a2a14;
    --link: #6fb3f2;
    --planet: #6fb3f2;
    --bd: #f08a97;
    --bdplanet: #e0b070;
    --ffp: #b79cf0;
    --row-hover: rgba(255, 255, 255, 0.06);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.4), 0 8px 28px rgba(0, 0, 0, 0.35);
  }
}

:root[data-theme="dark"] {
  --bg-elev: rgba(18, 20, 30, 0.68);
  --bg-elev-2: rgba(255, 255, 255, 0.06);
  --text: #eef1fb;
  --text-dim: #aab0d0;
  --border: rgba(255, 255, 255, 0.14);
  --accent: #e08a2c;
  --accent-text: #191008;
  --accent-soft: #3a2a14;
  --link: #6fb3f2;
  --planet: #6fb3f2;
  --bd: #f08a97;
  --bdplanet: #e0b070;
  --ffp: #b79cf0;
  --row-hover: rgba(255, 255, 255, 0.06);
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.4), 0 8px 28px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

html { background: #05060f; }

body {
  margin: 0;
  background: #05060f;
  color: var(--text);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  padding: 0 max(16px, env(safe-area-inset-left)) 48px max(16px, env(safe-area-inset-right));
  min-height: 100vh;
}

/* ---------- Fixed deep-space backdrop ---------- */
/* Behind the whole page (not just the hero), so every panel reads as a
   glass card floating over the sky. To swap in one of KMTNet's own
   night-sky photos, add it as the first layer of body::before's
   background-image, e.g.:
     background-image: linear-gradient(...), url("images/kmtnet-milkyway.jpg");
     background-size: cover; background-position: center;
   and it will sit under the same dark gradient + stars for legibility. */
body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
}

body::before {
  z-index: -2;
  background-image:
    radial-gradient(ellipse 55% 45% at 12% 10%, rgba(130, 110, 255, 0.32), transparent 60%),
    radial-gradient(ellipse 45% 35% at 90% 5%, rgba(224, 138, 44, 0.22), transparent 60%),
    radial-gradient(ellipse 60% 50% at 65% 100%, rgba(60, 150, 220, 0.2), transparent 60%),
    linear-gradient(180deg, #05060f 0%, #0a0d1e 45%, #12162c 100%);
  background-size: 100% 100%;
  background-attachment: fixed;
}

body::after {
  z-index: -1;
  opacity: 0.8;
  background-image:
    radial-gradient(1px 1px at 6% 12%, #fff, transparent 60%),
    radial-gradient(1px 1px at 14% 38%, #fff, transparent 60%),
    radial-gradient(1px 1px at 22% 74%, #cfe0ff, transparent 60%),
    radial-gradient(1px 1px at 31% 22%, #fff, transparent 60%),
    radial-gradient(1px 1px at 39% 58%, #fff, transparent 60%),
    radial-gradient(1px 1px at 47% 88%, #cfe0ff, transparent 60%),
    radial-gradient(1px 1px at 55% 15%, #fff, transparent 60%),
    radial-gradient(1px 1px at 63% 46%, #fff, transparent 60%),
    radial-gradient(1px 1px at 71% 80%, #fff, transparent 60%),
    radial-gradient(1px 1px at 79% 28%, #cfe0ff, transparent 60%),
    radial-gradient(1px 1px at 87% 64%, #fff, transparent 60%),
    radial-gradient(1px 1px at 95% 10%, #fff, transparent 60%),
    radial-gradient(1px 1px at 4% 92%, #fff, transparent 60%),
    radial-gradient(1.6px 1.6px at 18% 55%, #fff, transparent 65%),
    radial-gradient(1.6px 1.6px at 36% 95%, #fff, transparent 65%),
    radial-gradient(1.6px 1.6px at 58% 33%, #fff, transparent 65%),
    radial-gradient(1.6px 1.6px at 76% 68%, #fff, transparent 65%),
    radial-gradient(1.6px 1.6px at 92% 40%, #fff, transparent 65%),
    radial-gradient(1.6px 1.6px at 9% 66%, #fff, transparent 65%);
  background-size: 100% 100%;
  background-attachment: fixed;
}

a { color: var(--link); }

.wrap {
  max-width: 1320px;
  margin: 0 auto;
}

/* Frosted-glass panel: shared look for every card floating over the sky. */
.glass {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

/* ---------- Top bar ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 0 0 12px;
  padding: 10px 18px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.brand-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 30px;
  letter-spacing: 0.2px;
  color: #ffffff;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.5);
}

.brand-emblem {
  height: 54px;
  width: auto;
  display: block;
  flex: none;
}

.topbar nav {
  display: flex;
  gap: 6px;
  align-items: center;
}

.topbar nav a {
  color: #b9bfdd;
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 13.5px;
}

.topbar nav a:hover { background: var(--bg-elev-2); color: #ffffff; }

.theme-toggle {
  border: 1px solid var(--border);
  background: var(--bg-elev-2);
  color: var(--text);
  border-radius: 8px;
  padding: 6px 10px;
  cursor: pointer;
  font-size: 13px;
}

/* ---------- Hero ---------- */
/* No background of its own any more — the fixed starfield behind the whole
   page (body::before/::after) shows straight through, so the hero is just
   text, always light-colored since the backdrop is reliably dark. */
.hero {
  padding: 28px 4px 24px;
}

.hero h1 {
  font-size: clamp(24px, 4vw, 34px);
  margin: 0 0 8px;
  letter-spacing: -0.01em;
  color: #ffffff;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.5);
}

.hero p {
  color: #cdd2ec;
  max-width: 780px;
  margin: 0 0 24px;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.4);
}

.hero p a { color: #8ec8ff; }
.hero p a:hover { color: #b7ddff; }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
}

.stat-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  box-shadow: var(--shadow);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

.stat-card .num {
  font-size: 26px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--text);
}

.stat-card .label {
  color: var(--text-dim);
  font-size: 12.5px;
  margin-top: 2px;
}

/* ---------- Chart ---------- */
.chart-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px 8px;
  margin: 20px 0;
  box-shadow: var(--shadow);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

.chart-card h2 {
  font-size: 14px;
  margin: 0 0 4px;
  color: var(--text-dim);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

#yearChart { width: 100%; height: auto; display: block; }
#yearChart .bar { fill: var(--planet); }
#yearChart .bar.bd { fill: var(--bdplanet); }
#yearChart .bar.ffp { fill: var(--ffp); }
#yearChart text { fill: var(--text-dim); font-size: 9.5px; font-family: var(--font-mono); }
#yearChart .axis-line { stroke: var(--border); stroke-width: 1; }

.legend {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--text-dim);
  padding: 6px 2px 12px;
}
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 10px; height: 10px; border-radius: 2px; display: inline-block; }

/* ---------- Controls ---------- */
.controls {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  margin: 22px 0 10px;
}

.controls input[type="search"],
.controls select {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 13.5px;
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

.controls input[type="search"] { flex: 1 1 220px; min-width: 160px; }
.controls input[type="search"]::placeholder { color: var(--text-dim); }

.controls .count {
  margin-left: auto;
  color: #d3d7ef;
  font-size: 13px;
  white-space: nowrap;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.5);
}

.btn {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 8px 12px;
  cursor: pointer;
  font-size: 13px;
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}
.btn:hover { background: var(--bg-elev-2); }
.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-text);
  font-weight: 600;
}

/* ---------- Table ---------- */
.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elev);
  box-shadow: var(--shadow);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

table.data {
  border-collapse: collapse;
  width: 100%;
  min-width: 980px;
  font-size: 13px;
}

table.data thead th {
  position: sticky;
  top: 0;
  background: var(--bg-elev-2);
  text-align: left;
  padding: 9px 10px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  font-weight: 600;
  color: var(--text-dim);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

table.data thead th:hover { color: var(--text); }

table.data thead th .arrow { opacity: 0.5; margin-left: 3px; font-size: 10px; }
table.data thead th.sorted .arrow { opacity: 1; color: var(--accent); }

table.data thead th .col-label { display: block; }
table.data thead th .col-unit {
  display: block;
  font-weight: 400;
  font-size: 10.5px;
  opacity: 0.7;
  margin-top: 1px;
}

table.data thead th.has-unit { text-align: center; }

table.data tbody td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
  color: var(--text);
}

table.data tbody tr { cursor: pointer; }
table.data tbody tr:hover { background: var(--row-hover); }
table.data tbody tr:last-child td { border-bottom: none; }

.name-cell strong { font-family: var(--font-mono); font-weight: 600; }
.name-cell .host { display: block; font-size: 11px; color: var(--text-dim); }

.pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  border: 1px solid transparent;
}
.pill.planet { color: var(--planet); background: color-mix(in srgb, var(--planet) 14%, transparent); border-color: color-mix(in srgb, var(--planet) 35%, transparent); }
.pill.bd { color: var(--bd); background: color-mix(in srgb, var(--bd) 14%, transparent); border-color: color-mix(in srgb, var(--bd) 35%, transparent); }
.pill.bdplanet { color: var(--bdplanet); background: color-mix(in srgb, var(--bdplanet) 16%, transparent); border-color: color-mix(in srgb, var(--bdplanet) 35%, transparent); }
.pill.ffp { color: var(--ffp); background: color-mix(in srgb, var(--ffp) 16%, transparent); border-color: color-mix(in srgb, var(--ffp) 35%, transparent); }

.na { color: var(--text-dim); opacity: 0.6; }

.pager {
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 12px;
  color: #d3d7ef;
  font-size: 13px;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.5);
}

/* ---------- Detail drawer ---------- */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 6, 10, 0.6);
  display: none;
  z-index: 40;
}
.overlay.open { display: block; }

.drawer {
  position: fixed;
  top: 0;
  right: 0;
  height: 100%;
  width: min(440px, 100%);
  background: var(--bg-elev);
  border-left: 1px solid var(--border);
  box-shadow: var(--shadow);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  transform: translateX(100%);
  transition: transform 0.2s ease;
  z-index: 41;
  overflow-y: auto;
  padding: 20px;
  color: var(--text);
}
.drawer.open { transform: translateX(0); }

.drawer h2 {
  font-family: var(--font-mono);
  font-size: 19px;
  margin: 0 0 4px;
  padding-right: 30px;
}

.drawer .close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 20px;
  cursor: pointer;
  line-height: 1;
}

.drawer dl {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 8px 10px;
  margin: 18px 0;
  font-size: 13.5px;
}
.drawer dt { color: var(--text-dim); }
.drawer dd { margin: 0; }

.drawer .abstract-link {
  display: inline-block;
  margin-top: 6px;
  padding: 8px 12px;
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-text);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
}

.drawer .title-text {
  color: var(--text-dim);
  font-size: 13px;
  margin: 6px 0 0;
}

/* ---------- About / footer ---------- */
.about {
  margin-top: 40px;
  padding: 20px 24px;
  color: var(--text-dim);
  font-size: 13px;
  line-height: 1.7;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}
.about h2 { color: var(--text); font-size: 15px; margin-top: 0; }
.about code { font-family: var(--font-mono); background: var(--bg-elev-2); padding: 1px 5px; border-radius: 4px; }

footer {
  margin-top: 24px;
  color: #aab0d0;
  font-size: 12px;
  text-align: center;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.4);
}

@media (max-width: 640px) {
  .drawer { width: 100%; }
  .controls .count { margin-left: 0; width: 100%; order: 5; }
}