*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background:linear-gradient(135deg,#1a1a2e,#16213e);min-height:100vh;color:#eee}.container{max-width:1400px;margin:0 auto;padding:2rem}header{text-align:center;margin-bottom:2rem}header h1{font-size:2.5rem;margin-bottom:.5rem}header p{color:#aaa}.upload-section{display:flex;align-items:center;justify-content:center;gap:1rem;margin-bottom:2rem}.upload-btn{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:1rem 2rem;border-radius:8px;cursor:pointer;font-size:1rem;transition:transform .2s,box-shadow .2s}.upload-btn:hover{transform:translateY(-2px);box-shadow:0 4px 20px #667eea66}.upload-btn input{display:none}#file-name{color:#888}.clear-btn{background:#ff6b6b33;border:1px solid rgba(255,107,107,.5);color:#ff6b6b;padding:.5rem 1rem;border-radius:6px;cursor:pointer;font-size:.9rem;transition:background .2s}.clear-btn:hover{background:#ff6b6b4d}.clear-btn.hidden{display:none}.date-range{text-align:center;font-size:1.2rem;color:#4ecdc4;margin-bottom:1rem;padding:1rem;background:#4ecdc41a;border-radius:8px;border:1px solid rgba(78,205,196,.3)}.date-range.hidden{display:none}.dashboard{display:flex;flex-direction:column;gap:2rem}.dashboard.hidden{display:none}.summary-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}.card{background:#ffffff0d;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:12px;padding:1.5rem;text-align:center;border:1px solid rgba(255,255,255,.1)}.card h3{font-size:.9rem;color:#888;margin-bottom:.5rem;text-transform:uppercase;letter-spacing:1px}.card p{font-size:1.8rem;font-weight:700;color:#667eea}.chart-section{background:#ffffff0d;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:12px;padding:1.5rem;border:1px solid rgba(255,255,255,.1)}.chart-section h2{font-size:1.2rem;margin-bottom:1rem;color:#ddd}.chart{width:100%;overflow-x:auto}.chart svg{display:block;margin:0 auto}.tooltip{position:absolute;background:#000000e6;color:#fff;padding:8px 12px;border-radius:6px;font-size:.85rem;pointer-events:none;z-index:1000;border:1px solid rgba(255,255,255,.2)}.anomaly-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1rem}.anomaly-item{background:#ff6b6b1a;border:1px solid rgba(255,107,107,.3);border-radius:8px;padding:1rem}.anomaly-item .date{font-weight:700;color:#ff6b6b}.anomaly-item .value{font-size:1.4rem;color:#fff}.anomaly-item .zscore{font-size:.85rem;color:#888}.axis text{fill:#888;font-size:11px}.axis line,.axis path{stroke:#444}.grid line{stroke:#333;stroke-opacity:.5}.no-anomalies{color:#4ecdc4;font-size:1.1rem;text-align:center;padding:2rem}