*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #3b82f6;--primary-dark: #2563eb;--secondary: #64748b;--success: #10b981;--danger: #ef4444;--warning: #f59e0b;--bg: #f8fafc;--bg-card: #ffffff;--text: #1e293b;--text-muted: #64748b;--border: #e2e8f0;--shadow: 0 1px 3px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:var(--bg);color:var(--text);line-height:1.6}.app-container{max-width:1400px;margin:0 auto;padding:20px}.header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid var(--border)}.header h1{font-size:24px;font-weight:700;color:var(--text);display:flex;align-items:center;gap:10px}.header h1 svg{width:32px;height:32px}.tabs{display:flex;gap:4px;background:var(--bg-card);padding:4px;border-radius:10px;box-shadow:var(--shadow)}.tab{padding:10px 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