:root {
  --bg-primary: #0b0f19;
  --bg-secondary: #131b2e;
  --bg-card: rgba(23, 33, 56, 0.7);
  --border-color: rgba(255, 255, 255, 0.08);
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --accent-cyan: #06b6d4;
  --accent-blue: #3b82f6;
  --accent-green: #10b981;
  --accent-yellow: #f59e0b;
  --accent-red: #ef4444;
  --accent-purple: #8b5cf6;
  --glass-glow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { background-color: var(--bg-primary); color: var(--text-main); font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; line-height: 1.5; min-height: 100vh; display: flex; flex-direction: column; }
header { background: var(--bg-secondary); border-bottom: 1px solid var(--border-color); padding: 1rem 2rem; display: flex; justify-content: space-between; align-items: center; backdrop-filter: blur(12px); position: sticky; top: 0; z-index: 100; }
.logo-group { display: flex; align-items: center; gap: 0.75rem; }
.logo-badge { background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue)); color: white; font-weight: 900; padding: 0.35rem 0.65rem; border-radius: 8px; font-size: 1.1rem; letter-spacing: 0.05em; }
.nav-tabs { display: flex; gap: 0.5rem; }
.tab-btn { background: transparent; border: 1px solid transparent; color: var(--text-muted); padding: 0.5rem 1rem; border-radius: 8px; cursor: pointer; font-size: 0.9rem; font-weight: 500; transition: all 0.2s ease; }
.tab-btn:hover { color: var(--text-main); background: rgba(255, 255, 255, 0.04); }
.tab-btn.active { background: var(--bg-card); border-color: var(--accent-cyan); color: var(--accent-cyan); }
main { flex: 1; padding: 2rem; max-width: 1400px; margin: 0 auto; width: 100%; }
.tab-content { display: none; }
.tab-content.active { display: block; }
.card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 12px; padding: 1.5rem; box-shadow: var(--glass-glow); backdrop-filter: blur(16px); margin-bottom: 1.5rem; }
.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; padding-bottom: 0.75rem; border-bottom: 1px solid var(--border-color); }
.card-title { font-size: 1.15rem; font-weight: 600; display: flex; align-items: center; gap: 0.5rem; }
.input-row { display: flex; gap: 0.75rem; }
input[type="text"] { flex: 1; background: rgba(0, 0, 0, 0.3); border: 1px solid var(--border-color); padding: 0.75rem 1rem; border-radius: 8px; color: var(--text-main); font-size: 0.95rem; outline: none; }
input[type="text"]:focus { border-color: var(--accent-cyan); }
button.primary-btn { background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue)); border: none; color: white; padding: 0.75rem 1.5rem; border-radius: 8px; font-weight: 600; cursor: pointer; transition: opacity 0.2s ease; }
button.primary-btn:hover { opacity: 0.9; }
button.success-btn { background: var(--accent-green); border: none; color: white; padding: 0.5rem 1rem; border-radius: 6px; font-weight: 600; cursor: pointer; }
button.danger-btn { background: var(--accent-red); border: none; color: white; padding: 0.5rem 1rem; border-radius: 6px; font-weight: 600; cursor: pointer; }
.badge { font-size: 0.75rem; font-weight: 700; padding: 0.2rem 0.5rem; border-radius: 6px; text-transform: uppercase; }
.badge-low { background: rgba(16, 185, 129, 0.2); color: var(--accent-green); border: 1px solid var(--accent-green); }
.badge-medium { background: rgba(245, 158, 11, 0.2); color: var(--accent-yellow); border: 1px solid var(--accent-yellow); }
.badge-high { background: rgba(239, 68, 68, 0.2); color: var(--accent-red); border: 1px solid var(--accent-red); }
.badge-critical { background: var(--accent-red); color: white; }
.step-list { display: flex; flex-direction: column; gap: 0.75rem; }
.step-item { background: rgba(0, 0, 0, 0.2); border: 1px solid var(--border-color); padding: 1rem; border-radius: 8px; display: flex; justify-content: space-between; align-items: center; }
.step-info h4 { font-size: 0.95rem; font-weight: 600; }
.step-info p { font-size: 0.85rem; color: var(--text-muted); }
.citation-card { background: rgba(6, 182, 212, 0.05); border: 1px solid rgba(6, 182, 212, 0.3); padding: 1rem; border-radius: 8px; margin-bottom: 0.75rem; }
.citation-title { color: var(--accent-cyan); font-weight: 600; text-decoration: none; font-size: 0.95rem; }
.citation-snippet { font-size: 0.85rem; color: var(--text-muted); margin-top: 0.35rem; font-style: italic; }
.event-log { font-family: var(--font-mono); font-size: 0.8rem; background: #060911; padding: 1rem; border-radius: 8px; max-height: 280px; overflow-y: auto; border: 1px solid var(--border-color); }
.log-line { margin-bottom: 0.35rem; }
.log-time { color: var(--text-muted); }
.log-type { color: var(--accent-cyan); font-weight: bold; }