:root {
  --bg-primary: #1e1e1e;
  --bg-secondary: #252526;
  --bg-tertiary: #2d2d30;
  --bg-hover: #2a2d2e;
  --bg-active: #37373d;
  --border: #3e3e42;
  --border-light: #464647;
  --text-primary: #cccccc;
  --text-secondary: #9d9d9d;
  --text-muted: #6a6a6a;
  --accent: #0e7bde;
  --accent-hover: #1a8ae8;
  --accent-dim: #0e7bde33;
  --green: #4ec9b0;
  --green-dim: #4ec9b022;
  --red: #f48771;
  --red-dim: #f4877122;
  --orange: #ce9178;
  --orange-dim: #ce917822;
  --yellow: #dcdcaa;
  --yellow-dim: #dcdcaa22;
  --blue: #569cd6;
  --purple: #c586c0;
  --severity-critical: #f44747;
  --severity-high: #f48771;
  --severity-medium: #dcdcaa;
  --severity-low: #4ec9b0;
  --severity-info: #569cd6;
  --agent-thinking: #dcdcaa;
  --agent-tool: #9cdcfe;
  --agent-completed: #4ec9b0;
  --agent-idle: #6a6a6a;
  --agent-error: #f44747;
  --font-mono: 'Cascadia Code', 'Fira Code', 'JetBrains Mono', 'Consolas', monospace;
  --font-ui: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius: 4px;
  --radius-lg: 8px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font-ui);
  background: var(--bg-primary);
  color: var(--text-primary);
  height: 100vh;
  overflow: hidden;
  font-size: 13px;
  line-height: 1.5;
}

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #424242; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #555; }

button {
  cursor: pointer;
  border: none;
  font-family: var(--font-ui);
  font-size: 12px;
  transition: background 0.15s, color 0.15s;
}

input, textarea {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  outline: none;
  transition: border-color 0.15s;
}

input:focus, textarea:focus {
  border-color: var(--accent);
}

.badge {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 10px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.badge-critical { background: var(--severity-critical); color: #fff; }
.badge-high { background: var(--severity-high); color: #1e1e1e; }
.badge-medium { background: var(--severity-medium); color: #1e1e1e; }
.badge-low { background: var(--severity-low); color: #1e1e1e; }
.badge-info { background: var(--severity-info); color: #fff; }

.dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.dot-thinking { background: var(--agent-thinking); animation: pulse 1.2s infinite; }
.dot-tool_calling { background: var(--agent-tool); animation: pulse 0.8s infinite; }
.dot-completed { background: var(--agent-completed); }
.dot-idle { background: var(--agent-idle); }
.dot-error { background: var(--agent-error); }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.panel-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.panel-content {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-muted);
  font-size: 12px;
}