*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #3b82f6;--primary-hover: #2563eb;--secondary: #6b7280;--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--background: #f9fafb;--surface: #ffffff;--text: #111827;--text-light: #6b7280;--border: #e5e7eb;--shadow: rgba(0, 0, 0, .1)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:var(--background);color:var(--text);line-height:1.6}.app{min-height:100vh;display:flex;flex-direction:column}.container{max-width:1200px;margin:0 auto;padding:0 1.5rem;width:100%}.header{background:var(--surface);border-bottom:1px solid var(--border);padding:2rem 0;box-shadow:0 1px 3px var(--shadow)}.title{font-size:2.5rem;font-weight:700;margin-bottom:.5rem;color:var(--text)}.subtitle{font-size:1.125rem;color:var(--text-light)}.main{flex:1;padding:3rem 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