:root {
  --bg: #0f1115;
  --panel: #181b22;
  --border: #262a33;
  --text: #e8ecf1;
  --muted: #8b94a3;
  --accent: #5aa2ff;
  --neg: #ff6b6b;
  --pos: #4ade80;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
}

main {
  max-width: 640px;
  margin: 0 auto;
  padding: 24px 16px 80px;
}

h1 {
  font-size: 1.4rem;
  margin: 0 0 4px;
}

h2 {
  font-size: 1rem;
  margin: 0 0 12px;
  color: var(--muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.tagline {
  color: var(--muted);
  margin: 0 0 24px;
  font-size: 0.9rem;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 16px;
}

.status-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.stat .label { color: var(--muted); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; }
.stat .value { font-size: 1.1rem; font-weight: 600; }
.value.neg { color: var(--neg); }
.value.pos { color: var(--pos); }

form .row {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
form label { color: var(--muted); font-size: 0.85rem; min-width: 110px; }
form input[type="number"] { width: 70px; }
form select, form input {
  background: #0c0e13;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 8px;
  font: inherit;
}
form input[type="checkbox"] { width: 18px; height: 18px; }

fieldset {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  margin: 10px 0;
}
legend { color: var(--accent); font-size: 0.85rem; padding: 0 6px; }

button {
  background: var(--accent);
  color: #0a0c10;
  border: none;
  border-radius: 6px;
  padding: 8px 14px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
button.secondary { background: transparent; color: var(--text); border: 1px solid var(--border); }
button + button { margin-left: 8px; }

ul.transitions {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
ul.transitions li {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 10px;
  background: #0c0e13;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.88rem;
}
.kind-enter-neg { color: var(--neg); }
.kind-exit-neg { color: var(--pos); }
.fired { opacity: 0.5; }

footer {
  margin-top: 32px;
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
}
footer a { color: var(--muted); }