:root {
  --bg: #0d1017;
  --panel: #161b24;
  --border: #232a36;
  --text: #d8dee9;
  --muted: #6f7a8a;
  --accent: #7aa6ff;
  --accent-bg: #1a2336;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}
header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.75rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}
.brand { font-weight: 600; color: var(--accent); text-decoration: none; }
nav a { margin-right: 1rem; color: var(--text); text-decoration: none; }
nav a:hover { color: var(--accent); }

main {
  max-width: 1100px;
  margin: 1.5rem auto;
  padding: 0 1.5rem;
}
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
}
h2 { margin-top: 0; font-size: 1.1rem; }
.muted { color: var(--muted); }
.num { font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }

table { width: 100%; border-collapse: collapse; }
th, td { padding: 0.4rem 0.6rem; border-bottom: 1px solid var(--border); text-align: left; }
th { font-weight: 600; color: var(--muted); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.04em; }
tr:hover td { background: var(--accent-bg); }

a { color: var(--accent); }
a:hover { text-decoration: underline; }

input, select, button {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.4rem 0.6rem;
  border-radius: 4px;
  font: inherit;
}
button {
  background: var(--accent-bg);
  cursor: pointer;
}
button:hover { border-color: var(--accent); }
.htmx-indicator { display: none; }
.htmx-request .htmx-indicator { display: inline; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}
.grid label { display: flex; flex-direction: column; gap: 0.25rem; font-size: 0.85rem; color: var(--muted); }
.grid input, .grid select { color: var(--text); }

.combo { display: inline-block; padding: 0.1rem 0.4rem; background: var(--accent-bg); border-radius: 3px; margin: 0.1rem; font-size: 0.9rem; }

.tuning {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: end;
  padding: 0.6rem 0.8rem;
  margin-bottom: 0.75rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
}
.tuning label { display: flex; flex-direction: column; gap: 0.2rem; font-size: 0.8rem; color: var(--muted); }
.tuning input { width: 7rem; }
small { font-size: 0.75rem; }