:root {
  --bg: #0b1020;
  --surface: #131a31;
  --border: #223057;
  --text: #e5ebff;
  --muted: #98a8d5;
  --primary: #4f8cff;
  --danger: #ff6b6b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, sans-serif;
  background: radial-gradient(circle at top left, #1a2454 0%, #0b1020 45%, #0b1020 100%);
  color: var(--text);
}

.app {
  max-width: 980px;
  margin: 0 auto;
  padding: 24px;
}

.header {
  margin-bottom: 18px;
}

.header h1 {
  margin: 0;
  font-size: 30px;
}

.subtitle {
  color: var(--muted);
  margin: 8px 0 0 0;
}

.panel {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 14px;
}

.toolbar {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 12px;
}

.hint {
  color: var(--muted);
  font-size: 14px;
}

textarea,
input[type="text"] {
  width: 100%;
  border: 1px solid var(--border);
  background: #0d1328;
  color: var(--text);
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 10px;
  font-size: 14px;
}

.checkbox {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
}

.options-row {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 2px;
}

.actions-toolbar {
  display: flex;
  justify-content: flex-start;
  margin-bottom: 10px;
}

.actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
}

.btn {
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 10px 12px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  filter: brightness(1.1);
}

.btn-secondary {
  background: #0d1328;
  color: var(--text);
  border-color: var(--border);
}

.loading {
  color: var(--muted);
  margin-bottom: 8px;
}

.error {
  color: #ffd8d8;
  border: 1px solid var(--danger);
  background: rgba(255, 107, 107, 0.16);
  border-radius: 8px;
  padding: 10px;
  margin-bottom: 8px;
}

.output,
.trace {
  white-space: pre-wrap;
  background: #0d1328;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  margin: 0;
}

.agent-outputs {
  display: grid;
  gap: 10px;
  margin-bottom: 10px;
}

.agent-output-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #0d1328;
  padding: 10px;
}

.agent-output-title {
  margin: 0 0 8px 0;
  font-size: 14px;
  color: var(--muted);
}

.agent-output-text {
  margin: 0;
  white-space: pre-wrap;
}

details summary {
  cursor: pointer;
  margin-bottom: 8px;
}