*{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #1a1a2e;--bg-secondary: #16213e;--bg-card: #0f3460;--text-primary: #ffffff;--text-secondary: #a0a0b0;--accent: #4cc9f0;--high: #4ade80;--moderate: #fbbf24;--low: #f97316;--poor: #ef4444}html,body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh;-webkit-font-smoothing:antialiased}#root{min-height:100vh;display:flex;flex-direction:column}button{cursor:pointer;border:none;font-family:inherit}input{font-family:inherit}.container{max-width:480px;margin:0 auto;padding:20px;width:100%}.btn-primary{background:var(--accent);color:var(--bg-primary);padding:16px 24px;border-radius:12px;font-size:16px;font-weight:600;width:100%;transition:opacity .2s}.btn-primary:hover{opacity:.9}.btn-secondary{background:var(--bg-card);color:var(--text-primary);padding:16px 24px;border-radius:12px;font-size:16px;font-weight:500;width:100%;border:1px solid rgba(255,255,255,.1);transition:background .2s}.btn-secondary:hover{background:var(--bg-secondary)}.card{background:var(--bg-card);border-radius:16px;padding:24px;margin-bottom:16px}.score-high{color:var(--high)}.score-moderate{color:var(--moderate)}.score-low{color:var(--low)}.score-poor{color:var(--poor)}.bg-high{background:var(--high)}.bg-moderate{background:var(--moderate)}.bg-low{background:var(--low)}.bg-poor{background:var(--poor)}