:root{--bg: #0f172a;--bg-soft: #1e293b;--card: #ffffff;--text: #1e293b;--muted: #64748b;--primary: #2563eb;--primary-dark: #1d4ed8;--danger: #dc2626;--success: #16a34a;--border: #e2e8f0}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg-soft);color:var(--text);-webkit-font-smoothing:antialiased}.layout{min-height:100vh;display:flex;flex-direction:column}.header{display:flex;align-items:center;gap:24px;padding:0 24px;height:60px;background:var(--bg);color:#fff}.brand{display:flex;align-items:baseline;gap:8px;white-space:nowrap}.brand-link{color:#fff;text-decoration:none;font-weight:700;font-size:18px}.brand-tag{color:#fff9;font-size:11px;font-weight:500}.nav{display:flex;gap:4px;flex:1}.nav-link{color:#cbd5e1;text-decoration:none;padding:8px 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