/* NightGlass — calm dark theme; a red palette for night vision.
   System fonts only: nothing is ever fetched. */

:root {
  --bg: #0b0f1a;
  --panel: #121828;
  --panel-edge: #1e2740;
  --text: #dbe2f4;
  --text-dim: #8a95b5;
  --accent: #9db4e8;
  --banner-bg: #16233f;
  --banner-edge: #2b3f6b;
  --good: #a8d5a2;
}

body.night {
  --bg: #050000;
  --panel: #120404;
  --panel-edge: #2a0a0a;
  --text: #e05555;
  --text-dim: #8a3030;
  --accent: #ff6b6b;
  --banner-bg: #1a0505;
  --banner-edge: #3d0f0f;
  --good: #e05555;
}

* { box-sizing: border-box; }

body {
  margin: 0 auto;
  max-width: 640px;
  padding: 0 16px 32px;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  transition: background 0.3s, color 0.3s;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0 8px;
}

h1 { font-size: 1.5rem; margin: 0; letter-spacing: 0.02em; }
.tagline { margin: 2px 0 0; color: var(--text-dim); font-size: 0.85rem; }
h2 { font-size: 1.05rem; margin: 0; }

#mode-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--panel);
  border: 1px solid var(--panel-edge);
  color: var(--text-dim);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 0.85rem;
  cursor: pointer;
}
#mode-toggle .dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: #7a2020;
}
#mode-toggle[aria-pressed="true"] {
  color: var(--accent);
  border-color: var(--accent);
}
#mode-toggle[aria-pressed="true"] .dot { background: #ff5252; }

section {
  background: var(--panel);
  border: 1px solid var(--panel-edge);
  border-radius: 14px;
  padding: 16px;
  margin: 14px 0;
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.chip {
  background: none;
  border: 1px solid var(--panel-edge);
  color: var(--text-dim);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 0.8rem;
  cursor: pointer;
}
.chip:hover { color: var(--accent); border-color: var(--accent); }

.hint { color: var(--text-dim); font-size: 0.75rem; }

.banner {
  background: var(--banner-bg);
  border: 1px solid var(--banner-edge);
  border-radius: 10px;
  padding: 12px 14px;
  margin-bottom: 12px;
}
.banner strong { display: block; color: var(--good); }
.banner span { color: var(--text-dim); font-size: 0.85rem; }

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 0;
}
.stats .moon { grid-column: 1 / -1; }
.stats dt {
  color: var(--text-dim);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.stats dd { margin: 2px 0 0; font-size: 1.05rem; }
.stats .sub { font-size: 0.85rem; color: var(--text-dim); }

#moon-icon {
  --lit: 1;
  display: inline-block;
  width: 16px; height: 16px;
  border-radius: 50%;
  margin-right: 6px;
  vertical-align: -2px;
  background: linear-gradient(90deg,
    var(--text) calc(var(--lit) * 100%),
    var(--panel-edge) calc(var(--lit) * 100%));
  border: 1px solid var(--panel-edge);
}

#skymap {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  touch-action: pan-y;
}

.time-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
}
.time-controls input[type="range"] { flex: 1; accent-color: var(--accent); }
#time-now {
  background: var(--panel);
  border: 1px solid var(--panel-edge);
  color: var(--text-dim);
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 0.85rem;
  cursor: pointer;
}
#time-now:hover { color: var(--accent); border-color: var(--accent); }
.time-controls output {
  min-width: 5.5em;
  text-align: right;
  font-variant-numeric: tabular-nums;
  color: var(--text-dim);
  font-size: 0.9rem;
}

#planet-list { list-style: none; margin: 0; padding: 0; }
#planet-list li { padding: 6px 0; border-bottom: 1px solid var(--panel-edge); }
#planet-list li:last-child { border-bottom: none; }
#planet-list .not-visible { color: var(--text-dim); }
#planet-list strong { display: inline-block; min-width: 5em; }

button.primary, #manual-form button {
  background: var(--banner-bg);
  border: 1px solid var(--banner-edge);
  color: var(--text);
  border-radius: 10px;
  padding: 10px 18px;
  font-size: 0.95rem;
  cursor: pointer;
}
button.primary { display: block; width: 100%; margin: 12px 0; }
button.primary:hover, #manual-form button:hover { border-color: var(--accent); }

#manual-form { margin-top: 14px; display: grid; gap: 10px; }
#manual-form .row { display: flex; gap: 10px; }
#manual-form label {
  display: block;
  flex: 1;
  color: var(--text-dim);
  font-size: 0.8rem;
}
#manual-form input {
  display: block;
  width: 100%;
  margin-top: 4px;
  background: var(--bg);
  border: 1px solid var(--panel-edge);
  color: var(--text);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 1rem;
}

#setup-status { color: var(--text-dim); min-height: 1.2em; }

footer { color: var(--text-dim); font-size: 0.85rem; margin-top: 20px; }
footer .fine { font-size: 0.72rem; }
footer a { color: var(--accent); }

@media (max-width: 420px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
}