:root {
  color-scheme: dark;
  --bg: #0b1220;
  --panel: #121b2e;
  --muted: #8ea0bf;
  --text: #f5f7ff;
  --accent: #54a0ff;
  --border: #24324f;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: radial-gradient(circle at top, #16243f, var(--bg));
  color: var(--text);
}

.app {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px;
}

h1 {
  margin-bottom: 4px;
}

.subtitle {
  color: var(--muted);
  margin-top: 0;
}

.card {
  background: color-mix(in srgb, var(--panel) 95%, white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 14px;
}

.controls form,
.inline-group {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: end;
}

label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: var(--muted);
  font-size: 0.9rem;
}

input,
select,
button {
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #091024;
  color: var(--text);
  padding: 10px;
  min-height: 38px;
}

.param-group {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.param-group label {
  min-width: 110px;
}

.param-group input {
  width: 100%;
  min-width: 90px;
}

button {
  cursor: pointer;
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
}

button:hover {
  filter: brightness(1.08);
}

.actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

.chart {
  height: 540px;
  width: 100%;
}

.status {
  color: var(--muted);
  min-height: 1.2rem;
}

.chips {
  margin-top: 12px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.separator {
  border-top: 1px solid #ffffff66;
  margin: 14px 0 2px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #1d2b4a;
  border: 1px solid #304772;
  padding: 5px 8px;
  border-radius: 999px;
  font-size: 0.85rem;
}

.chip button {
  background: transparent;
  border: 0;
  padding: 0;
  min-height: auto;
}