:root{--primary: #004E8A;--primary-light: #0066b3;--accent: #8AAE28;--bg: #f5f7fa;--surface: #ffffff;--surface-2: #e8eef4;--border: #d1dce6;--text: #1a1a1a;--text-muted: #5a6672;--success: #2e7d32;--error: #c41e3a;--warning: #f57c00}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Source Sans Pro,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;-webkit-font-smoothing:antialiased}button{font-family:inherit;cursor:pointer}input,textarea,select{font-family:inherit}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.app-header{background:var(--surface);border-bottom:3px solid var(--primary);padding:1rem 2rem;display:flex;align-items:center;justify-content:space-between;box-shadow:0 2px 8px #0000000f}.app-header h1{font-size:1.1rem;color:var(--primary);font-weight:600}.app-header p{font-size:.8rem;color:var(--text-muted);margin-top:.15rem}.header-nav{display:flex;gap:.5rem}.header-nav a{padding:.4rem 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