:root{--primary-color: #1e3a5f;--secondary-color: #3b82f6;--bg-color: #f3f4f6;--text-dark: #1f2937;--text-light: #6b7280;--white: #ffffff;--danger: #ef4444;--success: #10b981;--warning: #f59e0b;--border-color: #e5e7eb;--radius: 8px;--shadow: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--bg-color);color:var(--text-dark);line-height:1.5}.app-layout{display:flex;min-height:100vh}.main-content{flex:1;padding:2rem;overflow-y:auto;display:flex;flex-direction:column}.sidebar{width:250px;background-color:var(--primary-color);color:var(--white);display:flex;flex-direction:column;padding:1.5rem 0;flex-shrink:0}.sidebar-header{padding:0 1.5rem 2rem;border-bottom:1px solid rgba(255,255,255,.1)}.sidebar-header 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solid rgba(59,130,246,.2);border-radius:50%;border-top-color:var(--secondary-color);animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.toast-container{position:fixed;bottom:2rem;right:2rem;z-index:50}.toast{padding:1rem 1.5rem;border-radius:var(--radius);box-shadow:var(--shadow-hover);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:1rem;min-width:300px;animation:slideUp .3s ease-out forwards}.toast-success{background-color:var(--success)}.toast-error{background-color:var(--danger)}@keyframes 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var(--border-color)}.timeline-header{display:flex;justify-content:space-between;margin-bottom:.5rem}.timeline-date{font-size:.875rem;color:var(--text-light)}.metadata-grid{display:grid;grid-template-columns:auto 1fr;gap:.5rem 1rem;font-size:.875rem;margin-top:.5rem}.metadata-key{font-weight:600;color:var(--text-light)}.app-footer{margin-top:auto;padding-top:2rem;text-align:center;font-size:.875rem;color:var(--text-light)}.flex-between{display:flex;justify-content:space-between;align-items:center}.gap-2{gap:.5rem;display:flex;align-items:center}.mb-4{margin-bottom:1rem}.mt-4{margin-top:1rem}@media (max-width: 768px){.app-layout{flex-direction:column}.sidebar{width:100%;padding:1rem;flex-direction:row;justify-content:space-between;align-items:center}.sidebar-header{border:none;padding:0;margin:0}.nav-links{display:flex;padding:0;margin-left:1rem}.nav-links li 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var(--border-color)}.db-name{font-weight:600;font-size:.9rem;flex:1}.db-status{font-size:.8rem;font-weight:500;text-transform:uppercase;letter-spacing:.05em}.arch-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-top:1rem}.arch-item{padding:1rem;border-radius:var(--radius);border-left:4px solid transparent;display:flex;flex-direction:column;gap:.4rem;background:#f9fafb}.arch-item strong{font-size:.95rem}.arch-item span{font-size:.82rem;color:var(--text-light)}.arch-pg{border-color:#336791}.arch-my{border-color:#f29111}.arch-mg{border-color:#4db33d}.arch-rd{border-color:#d63031}code{font-family:Courier New,monospace;font-size:.85em;background:#f1f5f9;padding:.1em .4em;border-radius:4px;color:#0f172a}