:root {
  --bg: #0b0f1f; --panel: #131a33; --panel2: #1a2347; --line: #2a3563; --text: #e6e9f5; --muted: #99a3c7;
  --accent: #f2c14e; --good: #5dd39e; --bad: #ff7a7a; --target: #6cb8ff; --moon: #d9d9e3;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body { margin: 0; background: radial-gradient(1200px 600px at 80% -10%, #1b2455 0%, var(--bg) 60%); color: var(--text); font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; min-height: 100vh; }
h1, h2, h3 { margin: 0; font-weight: 650; }
h2 { font-size: 1.05rem; margin-bottom: 10px; }
h3 { font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin-bottom: 6px; }
.top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 24px; border-bottom: 1px solid var(--line); background: rgba(11,15,31,.8); position: sticky; top: 0; z-index: 5; backdrop-filter: blur(6px); }
.brand { display: flex; align-items: center; gap: 10px; }
.brand h1 { font-size: 1.3rem; letter-spacing: .02em; }
.logo { width: 26px; height: 26px; border-radius: 50%; background: var(--accent); box-shadow: inset -8px -3px 0 0 var(--bg); }
.tag { color: var(--muted); font-size: .85rem; }
nav { display: flex; gap: 4px; flex-wrap: wrap; }
nav button { background: transparent; color: var(--muted); border: 0; border-bottom: 2px solid transparent; padding: 8px 12px; font: inherit; cursor: pointer; }
nav button[aria-selected="true"] { color: var(--text); border-bottom-color: var(--accent); }
main { max-width: 1200px; margin: 0 auto; padding: 20px 16px 40px; }
.tab > * + * { margin-top: 16px; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.controls { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 12px; align-items: end; }
.controls .custom { grid-column: 1 / -1; }
.custom summary { cursor: pointer; color: var(--muted); }
.custom label { display: inline-flex; margin: 8px 12px 0 0; }
label { display: flex; flex-direction: column; gap: 4px; font-size: .8rem; color: var(--muted); }
label.check { flex-direction: row; align-items: center; gap: 8px; color: var(--text); font-size: .95rem; }
input, select, textarea { background: #0d1330; color: var(--text); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; font: inherit; width: 100%; }
input[type=checkbox] { width: auto; }
input:focus-visible, select:focus-visible, textarea:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
button { background: var(--panel2); color: var(--text); border: 1px solid var(--line); border-radius: 8px; padding: 8px 14px; font: inherit; cursor: pointer; }
button:hover { border-color: var(--accent); }
button.primary { background: var(--accent); color: #1a1500; border-color: var(--accent); font-weight: 600; }
button.danger:hover { border-color: var(--bad); color: var(--bad); }
.row { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; margin-top: 10px; }
.row > label { flex: 1 1 140px; }
.panel > label { margin-top: 10px; }
.grid2 { align-items: start; display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 16px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 14px; }
.big { font-size: 1.25rem; font-weight: 650; }
.good { color: var(--good); } .bad { color: var(--bad); }
.muted { color: var(--muted); } .small { font-size: .8rem; }
.chart { width: 100%; height: auto; display: block; border-radius: 8px; }
.chart .grid, .chart .horizon, .chart .minalt, .chart .target-line, .chart .moon-line { shape-rendering: geometricPrecision; }
.chart .grid { stroke: rgba(255,255,255,.14); stroke-width: 1; }
.chart .grid.v { stroke: rgba(255,255,255,.07); }
.chart .tick { fill: #c6cdea; font-size: 11px; }
.chart .horizon { stroke: #fff; stroke-opacity: .5; stroke-dasharray: 2 3; }
.chart .minalt { stroke: var(--accent); stroke-opacity: .6; stroke-dasharray: 5 4; }
.chart .target-line { fill: none; stroke: var(--target); stroke-width: 2.5; }
.chart .moon-line { fill: none; stroke: var(--moon); stroke-width: 1.8; stroke-dasharray: 6 4; }
.chart .window { fill: var(--good); }
.legend { margin-top: 8px; font-size: .8rem; color: var(--muted); display: flex; flex-wrap: wrap; gap: 4px 12px; align-items: center; }
.sw { display: inline-block; width: 14px; height: 4px; border-radius: 2px; margin-right: 4px; vertical-align: middle; }
.sw.tgt { background: var(--target); } .sw.mn { background: var(--moon); } .sw.win { background: var(--good); height: 8px; }
.sw.dusk { background: linear-gradient(90deg, #e9b872, #4b4f86, #0b0f26); height: 8px; width: 24px; }
.sky-panel input[type=range] { padding: 0; margin-bottom: 8px; }
#sky-chart svg { max-width: 460px; margin: 0 auto; }
.sky-side { display: flex; gap: 14px; align-items: center; margin-top: 8px; }
.compass { width: 110px; flex: none; }
.compass .ring { fill: none; stroke: var(--line); stroke-width: 2; }
.compass .tick { fill: #c6cdea; font-size: 10px; } .compass .tick.minor { fill: var(--muted); font-size: 8px; }
.compass .needle { fill: var(--accent); }
.compass .az { fill: var(--text); font-size: 11px; }
.sky-bg { fill: #070b1d; }
.sky .sky-horizon { fill: none; stroke: #8f9ad0; stroke-width: 2; }
.sky .sky-ring { fill: none; stroke: rgba(255,255,255,.12); }
.sky .milkyway { fill: rgba(190,200,255,.22); stroke: none; }
.sky .dot { fill: #9aa7e6; opacity: .8; }
.sky .target { fill: none; stroke: var(--target); stroke-width: 2.5; }
.sky .fov { fill: rgba(242,193,78,.08); stroke: var(--accent); stroke-width: 1.5; }
.sky .sun { fill: #ffd266; } .sky .moon-body { fill: var(--moon); }
.sky .cardinal { fill: var(--text); font-size: 13px; font-weight: 600; }
.cal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.cal-head h2 { margin: 0; }
.calendar { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.dow { text-align: center; color: var(--muted); font-size: .75rem; padding: 2px; }
.cell { position: relative; min-height: 56px; padding: 4px 6px; text-align: left; display: flex; flex-direction: column; justify-content: space-between; background: color-mix(in srgb, var(--good) calc(var(--a) * 70%), var(--panel2)); border: 1px solid var(--line); border-radius: 8px; color: var(--text); }
.cell.none { color: var(--muted); }
.cell.sel { outline: 2px solid var(--accent); }
.cell .dn { font-size: .78rem; font-weight: 600; } .cell .mins { font-size: .72rem; }
.mdot { position: absolute; right: 4px; top: 4px; width: 14px; height: 14px; } .mdot circle { fill: var(--moon); opacity: .8; }
table { width: 100%; border-collapse: collapse; margin-top: 10px; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); font-size: .9rem; }
th { color: var(--muted); font-weight: 500; font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; }
.result { background: var(--panel2); border-left: 3px solid var(--accent); padding: 10px 12px; border-radius: 6px; }
.tips { margin: 0; padding-left: 18px; color: var(--muted); }
.loc-list, .checklist { list-style: none; margin: 0; padding: 0; }
.loc-list li, .checklist li { display: flex; justify-content: space-between; gap: 12px; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--line); }
.loc-list li.active { border-left: 3px solid var(--accent); padding-left: 10px; }
.loc-list .row { margin: 0; }
.done { text-decoration: line-through; color: var(--muted); }
.x { padding: 2px 9px; }
textarea { resize: vertical; }
.file { cursor: pointer; border: 1px dashed var(--line); border-radius: 8px; padding: 8px 12px; color: var(--text); }
.file input { display: none; }
footer { text-align: center; color: var(--muted); font-size: .8rem; padding: 24px; }
.card-print { display: none; }
@media (max-width: 640px) { .top { padding: 10px 12px; } .grid2 { grid-template-columns: 1fr; } .sky-side { flex-direction: column; align-items: flex-start; } }
@media print {
  body.printing > :not(#card) { display: none !important; }
  body.printing { background: #fff; color: #000; }
  body.printing .card-print { display: block; color: #000; font-size: 12px; padding: 0; }
  .card-print .card-row { display: flex; gap: 20px; align-items: center; }
  .card-print .sky-bg { fill: #fff; } .card-print .sky-horizon, .card-print .cardinal { stroke: #000; fill: none; }
  .card-print .cardinal { fill: #000; stroke: none; }
  .card-print .milkyway { fill: #ccd; } .card-print .compass .tick, .card-print .compass .az { fill: #000; }
  .card-print .compass .ring { stroke: #888; }
  .card-print .muted { color: #555; } .card-print .boxes { list-style: none; padding: 0; columns: 2; }
  .card-print .chart { max-width: 340px; }
}