:root {
  --bg: #f2f0eb;
  --card: #ffffff;
  --ink: #23303d;
  --muted: #6b7683;
  --accent: #1f6fb2;
  --accent-dark: #175a92;
  --danger: #b23a2f;
  --warn-bg: #fdf3d7;
  --border: #dcd8cf;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
}
header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 16px; background: var(--card); border-bottom: 1px solid var(--border);
}
h1 { font-size: 1.15rem; margin: 0; }
h2 { font-size: 1rem; margin: 0 0 10px; }

nav#tabs {
  display: flex; overflow-x: auto; background: var(--card);
  border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 5;
}
nav#tabs button {
  flex: 1; min-width: 70px; padding: 12px 8px; border: none; background: none;
  font-size: 0.9rem; color: var(--muted); cursor: pointer;
  border-bottom: 3px solid transparent;
}
nav#tabs button.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }

main { padding: 14px; max-width: 760px; margin: 0 auto; }
.tab { display: none; }
.tab.active { display: block; }

.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 16px; margin-bottom: 14px;
}

label { display: block; font-size: 0.85rem; color: var(--muted); margin-bottom: 10px; }
input, select, textarea {
  width: 100%; padding: 10px; margin-top: 4px; font-size: 1rem;
  border: 1px solid var(--border); border-radius: 8px; background: #fff; color: var(--ink);
}
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
.check { display: flex; align-items: center; gap: 8px; }
.check input { width: auto; margin: 0; }
.row { display: flex; gap: 8px; flex-wrap: wrap; }

.btn {
  display: inline-block; padding: 12px 18px; border-radius: 8px; border: 1px solid var(--border);
  background: #fff; color: var(--ink); font-size: 1rem; cursor: pointer;
  text-decoration: none; text-align: center;
}
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; width: 100%; margin-top: 6px; }
.btn.primary:active { background: var(--accent-dark); }
.btn.primary:disabled { opacity: 0.5; }
.btn.small { padding: 6px 12px; font-size: 0.85rem; }
.btn.ghost { background: none; }
.btn.danger { background: var(--danger); border-color: var(--danger); color: #fff; }

.muted { color: var(--muted); font-size: 0.85rem; }
.error { color: var(--danger); font-size: 0.9rem; min-height: 1em; }
.warn { background: var(--warn-bg); border-radius: 8px; padding: 8px 10px; font-size: 0.85rem; }
.warn:empty { display: none; }
.hidden { display: none !important; }

.upload-zone {
  display: block; border: 2px dashed var(--accent); border-radius: 12px;
  padding: 28px 12px; text-align: center; color: var(--accent);
  font-size: 1rem; cursor: pointer; margin-bottom: 10px;
}
.thumbs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; }
.thumbs img { width: 72px; height: 72px; object-fit: cover; border-radius: 8px; border: 1px solid var(--border); }

.flight-item { border-bottom: 1px solid var(--border); padding: 10px 0; }
.flight-item:last-child { border-bottom: none; }
.flight-head { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.flight-head b { font-size: 0.95rem; }
.flight-sub { font-size: 0.82rem; color: var(--muted); margin-top: 2px; }
.flight-squawk { font-size: 0.82rem; background: var(--warn-bg); border-radius: 6px; padding: 4px 8px; margin-top: 6px; }
.flight-photos { display: flex; gap: 6px; margin-top: 6px; }
.flight-photos img { width: 48px; height: 48px; object-fit: cover; border-radius: 6px; border: 1px solid var(--border); }
.tag { font-size: 0.72rem; padding: 2px 8px; border-radius: 999px; background: #e8eef5; color: var(--accent-dark); white-space: nowrap; }
.tag.none { background: #eee; color: var(--muted); }

table.report { width: 100%; border-collapse: collapse; margin-top: 12px; font-size: 0.9rem; }
table.report th, table.report td { text-align: right; padding: 6px 8px; border-bottom: 1px solid var(--border); }
table.report th:first-child, table.report td:first-child { text-align: left; }
table.report tr.total td { font-weight: 700; border-top: 2px solid var(--ink); }

.modal {
  position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 20;
  display: flex; align-items: flex-start; justify-content: center; overflow-y: auto; padding: 20px 12px;
}
.modal-card { width: 100%; max-width: 560px; }

.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 14px;
  padding: 28px; width: 100%; max-width: 340px; text-align: center; margin: 16px;
}
.login-card input { margin-bottom: 12px; }