:root{--color-primary: #003366;--color-secondary: #0066cc;--color-accent: #ffcc00;--color-danger: #cc0000;--color-success: #28a745;--color-background: #f0f4f8;--color-surface: #ffffff;--color-text-main: #1a1a1a;--color-text-secondary: #555555;--color-border: #ddeeff;--font-family: "Inter", system-ui, Avenir, Helvetica, Arial, sans-serif;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--shadow-sm: 0 1px 3px rgba(0,0,0,.1);--shadow-md: 0 4px 6px rgba(0,0,0,.1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--color-background);color:var(--color-text-main);line-height:1.5;-webkit-font-smoothing:antialiased}h1,h2,h3,h4,h5,h6{color:var(--color-primary);font-weight:600}button{cursor:pointer;font-family:inherit}.card{background:var(--color-surface);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);padding:var(--spacing-lg);border:1px solid var(--color-border);margin-bottom:var(--spacing-md);animation:fadeIn .5s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.card-header{display:flex;align-items:center;margin-bottom:var(--spacing-md);border-bottom:2px solid var(--color-background);padding-bottom:var(--spacing-sm)}.card-title{font-size:1.25rem;color:var(--color-primary);font-weight:700;display:flex;align-items:center;gap:var(--spacing-sm)}.metrics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:var(--spacing-md)}.metric-item{display:flex;flex-direction:column}.metric-label{font-size:.875rem;color:var(--color-text-secondary);margin-bottom:var(--spacing-xs);text-transform:uppercase;letter-spacing:.05em}.metric-value{font-size:1.5rem;font-weight:700;color:var(--color-text-main)}.metric-unit{font-size:1rem;font-weight:400;color:var(--color-text-secondary);margin-left:2px}.location-selector{margin-bottom:var(--spacing-xl)}.location-select{width:100%;padding:var(--spacing-md);font-size:1rem;border:2px solid var(--color-secondary);border-radius:var(--radius-md);background-color:var(--color-surface);color:var(--color-primary);font-weight:600;cursor:pointer}.location-select:focus{outline:none;box-shadow:0 0 0 3px #06c3}.advisory-banner{background-color:#fff3cd;border-left:6px solid var(--color-accent);padding:var(--spacing-md);margin-bottom:var(--spacing-md);border-radius:var(--radius-sm)}.advisory-banner.severe{background-color:#f8d7da;border-left-color:var(--color-danger)}.advisory-title{font-weight:700;margin-bottom:var(--spacing-xs);display:flex;align-items:center;gap:var(--spacing-sm)}.loading-container{display:flex;justify-content:center;align-items:center;min-height:200px;font-size:1.2rem;color:var(--color-secondary)}