:root {
  --bg: #0f1115;
  --panel: #171a21;
  --text: #e6e8ec;
  --muted: #9aa1ac;
  --accent: #5b9dff;
  --accent-2: #ff8a5b;
  --border: #2a2e37;
}

* {
  box-sizing: border-box;
}

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

header {
  padding: 24px 24px 8px;
}

h1 {
  margin: 0 0 4px;
  font-size: 1.5rem;
}

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

main {
  padding: 16px 24px 40px;
  max-width: 1100px;
  margin: 0 auto;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 32px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 20px;
  margin-bottom: 20px;
}

.control-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.control-label {
  color: var(--muted);
  font-size: 0.85rem;
  margin-right: 4px;
}

.control-group label {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.9rem;
  cursor: pointer;
}

input[type="date"] {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px 6px;
}

.chart-wrap {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  height: 480px;
}

.status {
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 12px;
}