:root {
  --bg: #0f1115;
  --panel: #151823;
  --text: #e5e7eb;
  --muted: #9aa3b2;
  --brand: #7c3aed;
  --brand-weak: #a78bfa33;
  --line: #232738;
  --chip: #202439;
  --chip-active: #2a2f4a;
  --accent: #10b981;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: radial-gradient(1200px 800px at 10% -10%, #1b1f2d 0%, var(--bg) 60%);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px;
}

.header {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
}
.header h1 {
  margin: 0;
  font-size: 28px;
}
.badge {
  margin: 0;
  padding: 4px 8px;
  background: var(--brand-weak);
  border: 1px solid #3a2a72;
  color: #d6ccff;
  border-radius: 999px;
  font-size: 12px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
  margin: 16px 0;
  box-shadow: 0 10px 30px rgba(0,0,0,0.18);
}

.hint {
  color: var(--muted);
  margin-top: -4px;
  margin-bottom: 8px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 8px;
}

.chip {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--chip);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  cursor: pointer;
  user-select: none;
}
.chip input { display: none; }
.chip--active {
  background: var(--chip-active);
  border-color: #334155;
  outline: 1px solid #3b82f6aa;
}

.row {
  display: flex;
  gap: 16px;
}
.row--wrap { flex-wrap: wrap; }

.field { min-width: 240px; }
.field__label {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 6px;
}
select {
  width: 100%;
  background: #111827;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  appearance: none;
}

.radio {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--chip);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px 10px;
  cursor: pointer;
}
.radio input { display: none; }
.radio--active {
  background: var(--chip-active);
  border-color: #334155;
  outline: 1px solid #3b82f6aa;
}

.summary {
  margin: 8px 0 16px 0;
  padding-left: 18px;
  color: #e2e8f0;
}

.primary {
  background: linear-gradient(90deg, var(--brand), #6366f1);
  color: white;
  border: none;
  border-radius: 10px;
  padding: 12px 16px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 6px 16px rgba(99,102,241,0.35);
}
.primary:hover { filter: brightness(1.05); }

.footer {
  text-align: center;
  color: var(--muted);
  margin: 24px 0 8px;
}