:root {
  color-scheme: dark;
  font-family: "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  --bg: #0c1222;
  --panel: #121a2e;
  --panel2: #172139;
  --line: #26324e;
  --fg: #e2e8f4;
  --muted: #8e9ab5;
  --accent: #e9c46a;
  --accent-ink: #1a1405;
  --good: #7fd1a8;
  --warn: #f0a35e;
  --bad: #ef7d7d;
  --sky-top: #050913;
  --sky-low: #0f1d3a;
  --grid: #2a3a5f;
  --star: #eef2ff;
  --c-moon: #f3e7c4;
  --c-saturn: #e2bd72;
  --c-jupiter: #ead8b8;
  --c-mars: #e98364;
  --c-venus: #fbf6d6;
  --c-mercury: #bfb8aa;
}

:root[data-red="1"] {
  --bg: #080000;
  --panel: #120202;
  --panel2: #1a0403;
  --line: #3d0b07;
  --fg: #ff5a45;
  --muted: #b0301f;
  --accent: #ff6a4d;
  --accent-ink: #1a0000;
  --good: #ff6a4d;
  --warn: #ff6a4d;
  --bad: #ff3b2b;
  --sky-top: #030000;
  --sky-low: #120201;
  --grid: #3d0b07;
  --star: #ff5a45;
  --c-moon: #ff7a62;
  --c-saturn: #ff6a4d;
  --c-jupiter: #ff6a4d;
  --c-mars: #ff4a35;
  --c-venus: #ff7a62;
  --c-mercury: #d9402c;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { min-width: 320px; margin: 0; background: var(--bg); color: var(--fg); }
body { padding: 18px 16px 40px; font-size: 15px; line-height: 1.55; }
button, input, select, textarea { font: inherit; color: var(--fg); }
button, select, input[type="date"], input[type="time"], input[type="text"], input[type="number"] {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--panel2);
}
button { padding: 7px 12px; cursor: pointer; }
button:hover { border-color: var(--muted); }
button:focus-visible, input:focus-visible, select:focus-visible, canvas:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
input[type="date"], input[type="time"], input[type="text"], input[type="number"], select { width: 100%; padding: 7px 9px; }
input[type="range"] { width: 100%; accent-color: var(--accent); }
input[type="checkbox"] { accent-color: var(--accent); }
.wrap { display: flex; width: min(100%, 1240px); flex-direction: column; gap: 16px; margin: 0 auto; }
h1 { margin: 0; font-size: clamp(20px, 2.6vw, 27px); font-weight: 700; letter-spacing: -.02em; }
h2 { margin: 0; font-size: 17px; font-weight: 700; }
h3 { margin: 0; color: var(--muted); font-size: 13px; font-weight: 500; letter-spacing: .06em; }
p { margin: 0; }
.mono, .num, .clock, .big .v, td, dd { font-family: Consolas, "SFMono-Regular", monospace; font-variant-numeric: tabular-nums; }
.muted, .lbl, .field label { color: var(--muted); }
.small { font-size: 13px; }
.sub { margin-top: 2px; color: var(--muted); font-size: 13.5px; }
.top, .row, .skyhead { display: flex; align-items: center; gap: 8px; }
.top, .between { justify-content: space-between; }
.top { flex-wrap: wrap; gap: 10px 20px; }
.primary { border-color: var(--accent); background: var(--accent); color: var(--accent-ink); font-weight: 700; }
.controls, .skybox, .card, .chartbox, .note {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
}
.controls { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(200px, 100%), 1fr)); align-items: end; gap: 12px 16px; padding: 12px 14px; }
.field { display: flex; min-width: 0; flex-direction: column; gap: 4px; }
.field label, .lbl { font-size: 12px; letter-spacing: .04em; }
.placefield { grid-column: span 2; }
.placebox { display: flex; min-width: 0; align-items: center; justify-content: space-between; gap: 10px; padding: 5px 6px 5px 10px; border: 1px solid var(--line); border-radius: 7px; background: var(--panel2); }
.pinfo { display: flex; min-width: 0; flex-direction: column; line-height: 1.35; }
.pinfo b { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.placebox button { flex: none; }
.placepanel { display: grid; grid-column: 1/-1; grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr)); gap: 18px; padding-top: 14px; border-top: 1px dashed var(--line); }
.pp-col { display: flex; min-width: 0; flex-direction: column; gap: 8px; }
.pp-col h3 { margin-top: 4px; }
.nowrap { flex-wrap: nowrap; }
.nowrap input { flex: 1; }
.latlon { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; }
.saved { display: flex; flex-wrap: wrap; gap: 6px; }
.saved .chip { padding: 0; }
.saved .chip button { border: 0; border-radius: 0; background: transparent; }
.saved .chip button.x { padding-inline: 5px; color: var(--muted); }
.timebar { display: grid; grid-column: 1/-1; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 12px; }
.clock { min-width: 5.2ch; font-size: 22px; font-weight: 500; }
.ticks { position: relative; grid-column: 2; height: 16px; margin-top: -8px; color: var(--muted); font-size: 11px; }
.ticks span { position: absolute; transform: translateX(-50%); white-space: nowrap; }
.main { display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr); gap: 16px; }
.skybox { display: flex; flex-direction: column; gap: 8px; padding: 10px; }
.seg { display: inline-flex; max-width: 100%; overflow: hidden; align-self: flex-start; border: 1px solid var(--line); border-radius: 8px; }
.seg button { border: 0; border-radius: 0; background: transparent; padding: 7px 11px; }
.seg button[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); font-weight: 700; }
.skyhead { flex-wrap: wrap; justify-content: space-between; }
.legend, .options { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border: 1px solid var(--line); border-radius: 999px; background: transparent; font-size: 13px; }
.chip i { width: 9px; height: 9px; border-radius: 50%; }
.chip[aria-pressed="true"] { border-color: var(--accent); background: var(--panel2); }
.chip.below { opacity: .5; }
.options { font-size: 13px; }
.canvaswrap { position: relative; width: 100%; min-width: 0; }
canvas#sky { display: block; width: 100%; border-radius: 8px; touch-action: manipulation; cursor: crosshair; }
.tip { position: absolute; z-index: 2; pointer-events: none; padding: 4px 8px; transform: translate(-50%, -130%); border: 1px solid var(--line); border-radius: 6px; background: var(--panel2); font-size: 12px; white-space: nowrap; }
.arbar { display: flex; flex-direction: column; gap: 8px; padding: 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel2); }
.arbar .row { flex-wrap: wrap; }
.side { display: flex; min-width: 0; flex-direction: column; gap: 12px; }
.card { padding: 14px; }
.objname { display: flex; align-items: baseline; flex-wrap: wrap; gap: 10px; }
.objname b { font-size: 22px; }
.big { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-top: 10px; }
.big > div { min-width: 0; padding: 9px 11px; border-radius: 8px; background: var(--panel2); }
.big .v { font-size: 24px; }
.big .k { color: var(--muted); font-size: 12px; }
.pill { display: inline-block; padding: 2px 9px; border: 1px solid currentColor; border-radius: 999px; font-size: 12px; }
.good { color: var(--good); } .warn { color: var(--warn); } .bad { color: var(--bad); }
dl.kv { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 5px 14px; margin: 12px 0 0; font-size: 14px; }
dl.kv dt { color: var(--muted); }
dl.kv dd { overflow-wrap: anywhere; margin: 0; text-align: right; }
.tipbox { margin-top: 12px; padding-top: 10px; border-top: 1px dashed var(--line); font-size: 13.5px; }
.events { display: flex; flex-direction: column; gap: 4px; margin: 8px 0 0; padding: 0; list-style: none; font-size: 14px; }
.events li { display: grid; grid-template-columns: 4.4em minmax(0, 1fr); gap: 10px; }
.events .t { color: var(--accent); }
.activity { min-width: 0; }
.tabs { display: flex; flex-wrap: wrap; gap: 4px; border-bottom: 1px solid var(--line); }
.tabs button { border: 0; border-bottom: 2px solid transparent; border-radius: 0; background: transparent; padding: 10px 14px; color: var(--muted); }
.tabs button[aria-selected="true"] { border-bottom-color: var(--accent); color: var(--fg); }
.tabpanel { display: flex; min-width: 0; flex-direction: column; gap: 12px; padding-top: 14px; }
.tabpanel > .row { flex-wrap: wrap; }
.scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: 8px; }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th, td { padding: 7px 10px; border-bottom: 1px solid var(--line); text-align: right; white-space: nowrap; }
th { position: sticky; top: 0; background: var(--panel2); color: var(--muted); font-weight: 500; }
th:first-child, td:first-child { text-align: left; }
td.dim { color: var(--muted); }
tr.dark td:first-child::after { color: var(--good); content: " ●"; font-size: 10px; }
.form { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(130px, 100%), 1fr)); align-items: end; gap: 10px; padding: 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); }
.form button { min-height: 38px; }
.two { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 14px; }
.chartbox, .note { padding: 12px 14px; }
.chartbox svg { display: block; width: 100%; height: auto; }
.note { font-size: 13.5px; }
.note ul { margin: 6px 0 0; padding-left: 18px; }
.note li { margin: 4px 0; }
.bars { display: flex; flex-direction: column; gap: 10px; margin-top: 14px; }
.bars .b { display: grid; grid-template-columns: 8.5em minmax(0, 1fr) 4.5em; align-items: center; gap: 10px; font-size: 13.5px; }
.bars .num { text-align: right; }
.meter { position: relative; overflow: hidden; height: 12px; border: 1px solid var(--line); border-radius: 6px; background: var(--panel2); }
.meter span { position: absolute; inset: 0 auto 0 0; background: var(--accent); }
textarea#copybox { width: 100%; height: 120px; border: 1px solid var(--line); border-radius: 7px; background: var(--panel2); color: var(--fg); }
.toast, .msg-ok { color: var(--good); } .msg-bad { color: var(--warn); }
footer { padding-top: 12px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12.5px; }

@media (max-width: 860px) {
  .main, .two { grid-template-columns: minmax(0, 1fr); }
  .placefield { grid-column: span 1; }
}

@media (max-width: 520px) {
  body { padding: 12px 10px 28px; }
  .wrap { gap: 12px; }
  .controls { grid-template-columns: minmax(0, 1fr); gap: 10px; padding: 10px; }
  .placefield { grid-column: 1; }
  .timebar { grid-template-columns: auto minmax(0, 1fr) auto; gap: 8px; }
  .clock { min-width: 4.2ch; font-size: 18px; }
  .viewseg { width: 100%; }
  .viewseg button { flex: 1; padding-inline: 5px; font-size: 12px; }
  .skyhead { align-items: flex-start; }
  .options { gap: 4px 7px; font-size: 11px; }
  .options label { white-space: nowrap; }
  .legend { gap: 4px; }
  .chip { padding: 4px 7px; font-size: 12px; }
  .tabs button { flex: 1 1 auto; padding: 8px 6px; font-size: 12px; }
  .form { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .form > :last-child { grid-column: 1/-1; }
  .bars .b { grid-template-columns: 6.5em minmax(0, 1fr) 3.8em; gap: 6px; font-size: 12px; }
  .row.between { align-items: flex-start; }
  .between .row { flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}