/* モバイルファースト: まず縦1列のレイアウトを組み、広い画面では
  フォーム/一覧/詳細を並べる(下の @media 参照)。 */
:root {
  color-scheme: light dark;
  --fg: #1b1b1f;
  --bg: #ffffff;
  --panel-bg: #f4f5f7;
  --border: #d7d9de;
  --accent: #1a73e8;
  --accent-fg: #ffffff;
  --muted: #666a73;
  --ok: #1f9d55;
  --warn: #b8860b;
  --danger: #d33;
}
@media (prefers-color-scheme: dark) {
  :root {
    --fg: #e8e9ec;
    --bg: #16171a;
    --panel-bg: #212226;
    --border: #35373d;
    --accent: #6ab0ff;
    --accent-fg: #10151c;
    --muted: #9aa0aa;
    --ok: #37c978;
    --warn: #ffb84d;
    --danger: #ff6b6b;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Hiragino Sans", "Yu Gothic", system-ui, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.5;
}

.app-header {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem 1rem;
}
.app-header-main { flex: 1 1 12rem; min-width: 0; }
.app-header h1 { margin: 0; font-size: 1.15rem; }
.status-line { font-size: 0.8rem; color: var(--muted); margin-top: 0.25rem; }
.lang-switch {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.3rem;
  flex: 0 0 auto;
}
.lang-switch-label {
  font-size: 0.75rem;
  color: var(--muted);
  margin-right: 0.15rem;
}
.lang-btn {
  min-height: 36px;
  font-size: 0.8rem;
  padding: 0 0.65rem;
}
.lang-btn[aria-pressed="true"] {
  background: var(--accent);
  color: var(--accent-fg);
  border-color: var(--accent);
}

.app-main {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 0.75rem;
  max-width: 1100px;
  margin: 0 auto;
}

.panel {
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.9rem;
}

.field-row {
  display: flex;
  gap: 0.6rem;
  margin-bottom: 0.6rem;
  flex-wrap: wrap;
}
.field-row label {
  display: flex;
  flex-direction: column;
  font-size: 0.8rem;
  color: var(--muted);
  flex: 1 1 45%;
  min-width: 0;
  gap: 0.2rem;
}
.field-row.checkboxes label {
  flex-direction: row;
  align-items: center;
  gap: 0.35rem;
  flex: 0 0 auto;
}
.field-row-label {
  font-size: 0.8rem;
  color: var(--muted);
  flex: 0 0 auto;
  align-self: center;
}
input[type="number"], input[type="date"], input[type="datetime-local"], select {
  font-size: 1rem;
  padding: 0.5rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--fg);
  min-height: 44px; /* タップしやすいサイズ */
  width: 100%;
  min-width: 0;
  max-width: 100%;
}
/* iOS/iPadOS Safari は type="date" の内部UI(年/月/日フィールド)を
   width指定より大きく描画し、はみ出すことがあるための保険 */
input[type="date"] {
  -webkit-appearance: none;
  appearance: none;
}
button {
  min-height: 44px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--fg);
  font-size: 0.95rem;
  padding: 0 0.9rem;
  cursor: pointer;
}
button:disabled { opacity: 0.5; cursor: default; }
button.primary {
  background: var(--accent);
  color: var(--accent-fg);
  border-color: var(--accent);
  width: 100%;
  font-weight: 600;
}
#geolocate-btn, #elevate-btn { flex: 1 1 auto; }
.location-map { width: 100%; height: 220px; border-radius: 8px; margin: 0 0 0.6rem; }

/* Leaflet 既定ピンは PNG 画像。読込失敗でも見えるよう CSS で描く */
.obs-pin-wrap { background: none !important; border: none !important; }
.obs-pin {
  width: 20px;
  height: 20px;
  background: #e08a00;
  border: 2.5px solid #1b1b1f;
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.45);
}
@media (prefers-color-scheme: dark) {
  .obs-pin { border-color: #f4f5f7; }
}

.message { font-size: 0.85rem; color: var(--muted); min-height: 1.2em; margin-top: 0.4rem; }
.message.error { color: var(--danger); }
.message.warning { color: var(--warn); }

.pass-list { list-style: none; margin: 0; padding: 0; }
.pass-list li {
  padding: 0.7rem 0.5rem;
  border-bottom: 1px solid var(--border);
  border-left: 3px solid transparent;
  cursor: pointer;
}
.pass-list li.inband { border-left-color: var(--ok); }
.pass-list li:last-child { border-bottom: none; }
.pass-list li:hover, .pass-list li:focus { background: var(--bg); }
.pass-kind { font-weight: 700; margin-right: 0.4rem; }
.pass-kind.sun { color: #e08a00; }
.pass-kind.moon { color: #6a7bd6; }
.pass-satellite {
  font-size: 0.72rem;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.05rem 0.35rem;
  margin-right: 0.4rem;
}
.pass-meta { font-size: 0.82rem; color: var(--muted); margin-top: 0.2rem; }
.empty-note { color: var(--muted); font-size: 0.9rem; cursor: default; }

.badge {
  display: inline-block; font-size: 0.7rem; font-weight: 700;
  border-radius: 6px; padding: 1px 7px; margin-left: 0.4rem;
}
.badge.ok { background: rgba(31,157,85,.15); color: var(--ok); }
.badge.move { background: rgba(184,134,11,.15); color: var(--warn); }
.badge.lit { background: rgba(26,115,232,.15); color: var(--accent); }

.detail-panel { position: relative; scroll-margin-top: 4.5rem; }
.close-btn {
  position: absolute;
  top: 0.6rem; right: 0.6rem;
  min-height: 36px; width: 36px; padding: 0;
  font-size: 1.3rem; line-height: 1;
}
.countdown {
  font-variant-numeric: tabular-nums; font-weight: 700;
  color: var(--ok); font-size: 0.85rem; margin-bottom: 0.2rem;
}
.countdown.past { color: var(--muted); }
.detail-map { width: 100%; height: 280px; border-radius: 8px; margin: 0.6rem 0; }
#search-here-btn { width: 100%; margin: 0 0 0.6rem; }
.detail-elevate-btn { width: 100%; margin: 0.35rem 0 0.7rem; }
.map-hint { font-size: 0.78rem; color: var(--muted); margin: 0.3rem 0 0.5rem; }
.field-note { font-size: 0.75rem; color: var(--muted); margin: -0.2rem 0 0.5rem; }
.detail-body dl { display: grid; grid-template-columns: auto 1fr; gap: 0.3rem 0.8rem; margin: 0; }
.detail-body dt { color: var(--muted); }
.detail-body dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; }
.detail-note { font-size: 0.78rem; color: var(--muted); margin-top: 0.6rem; }
.detail-section { margin: 0.9rem 0; }
.detail-section h3 {
  margin: 0 0 0.4rem; font-size: 0.8rem; color: var(--muted);
  font-weight: 600; letter-spacing: .03em;
}
.warn-box {
  background: rgba(211,51,51,.1); color: var(--danger);
  border-radius: 8px; padding: 0.6rem 0.8rem; margin: 0.5rem 0;
  font-size: 0.85rem; font-weight: 600;
}

.app-footer {
  max-width: 1100px;
  margin: 1rem auto 2rem;
  padding: 0 1rem;
  font-size: 0.78rem;
  color: var(--muted);
}
.app-footer a { color: var(--accent); }

/* 広い画面: フォーム+一覧を左、詳細を右に並べる */
@media (min-width: 900px) {
  .app-main {
    display: grid;
    grid-template-columns: 400px 1fr;
    grid-template-rows: auto auto;
    align-items: start;
  }
  .form-panel { grid-column: 1; grid-row: 1; }
  .list-panel { grid-column: 1; grid-row: 2; max-height: 60vh; overflow-y: auto; }
  .detail-panel { grid-column: 2; grid-row: 1 / span 2; }
  .detail-map { height: 380px; }
}