/* Minimal, readable styling */
:root { --bg:#0b0f14; --card:#111824; --text:#e6edf3; --muted:#9aa8b6; --line:#213042; }
* { box-sizing: border-box; }
body { margin:0; font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial; background: var(--bg); color: var(--text); }
.container { max-width: 980px; margin: 0 auto; padding: 18px; }
.header { display:flex; justify-content:space-between; align-items:flex-start; gap:12px; margin: 8px 0 18px; }
h1 { font-size: 22px; margin: 0 0 6px; }
.subtitle { margin: 0; color: var(--muted); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 14px; margin: 12px 0; }
h2 { font-size: 16px; margin: 0 0 12px; }
.grid { display:grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
@media (max-width: 760px){ .grid { grid-template-columns: 1fr; } .header{ flex-direction:column; align-items:stretch; } }
.field { display:flex; flex-direction:column; gap:6px; }
.row { display:flex; gap:8px; align-items:center; }
input, select { width: 100%; padding: 10px 10px; border-radius: 10px; border: 1px solid var(--line); background: #0c121b; color: var(--text); }
select { width: 140px; }
.unit { padding: 0 10px; color: var(--muted); }
small { color: var(--muted); }
.actions { display:flex; gap:10px; margin-top: 14px; }
.btn { padding: 10px 12px; border-radius: 10px; border: 1px solid var(--line); background: #0c121b; color: var(--text); cursor:pointer; }
.btn.primary { background: #18263a; }
.btn:active { transform: translateY(1px); }
.results { display:flex; flex-direction:column; gap: 10px; }
.muted { color: var(--muted); margin: 0; }
.badge { display:inline-block; padding: 3px 8px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.kv { display:flex; flex-wrap:wrap; gap: 10px; }
.kv .pill { padding: 8px 10px; border-radius: 999px; border: 1px solid var(--line); background:#0c121b; }
.table { width:100%; border-collapse: collapse; }
.table th, .table td { text-align:left; border-bottom: 1px solid var(--line); padding: 10px 6px; vertical-align: top; }
.table th { color: var(--muted); font-weight: 600; }
.small { color: var(--muted); font-size: 12px; margin: 10px 0 0; }
.hidden { display:none; }