.app{min-height:100vh;background:#0d1117;color:#e6edf3;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.top-header{height:60px;background:#161b22;border-bottom:1px solid #30363D;display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:fixed;top:0;left:0;right:0;z-index:100}.sidebar{width:200px;background:#161b22;border-right:1px solid #30363D;position:fixed;top:60px;left:0;bottom:0;display:flex;flex-direction:column;padding:16px 0;z-index:90}.nav-item{display:block;padding:12px 20px;color:#8b949e;text-decoration:none;font-size:14px;transition:all .2s;border-left:3px solid transparent}.nav-item:hover{color:#e6edf3;background:#58a6ff0d}.nav-item.active{color:#58a6ff;background:#58a6ff1a;border-left:3px solid #58A6FF;font-weight:600}.main-content{margin-left:200px;margin-top:60px;padding:24px;min-height:calc(100vh - 60px)}.limit-banner{position:fixed;top:60px;left:200px;right:0;background:#d2992226;border-bottom:1px solid #D29922;padding:10px 20px;display:flex;align-items:center;justify-content:space-between;z-index:99}.card{background:#161b22;border-radius:8px;padding:20px;margin-bottom:16px;border:1px solid #30363D}.card-title{font-size:16px;font-weight:600;color:#58a6ff;margin-bottom:12px}.metrics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin-bottom:16px}.metric-card{background:#0d1117;border-radius:8px;padding:16px;text-align:center;border:1px solid #30363D}.metric-value{font-size:28px;font-weight:700;color:#58a6ff}.metric-label{font-size:12px;color:#8b949e;margin-top:4px}.metric-unit{font-size:14px;color:#6e7681}.upload-zone{border:2px dashed #30363D;border-radius:12px;padding:48px 24px;text-align:center;cursor:pointer;transition:all .2s}.upload-zone:hover{border-color:#58a6ff;background:#58a6ff0d}.upload-zone.dragover{border-color:#58a6ff;background:#58a6ff1a}.btn{padding:10px 20px;border-radius:6px;border:none;cursor:pointer;font-size:14px;font-weight:500;transition:all .2s}.btn-primary{background:#58a6ff;color:#0d1117}.btn-primary:hover{background:#4a9eff}.form-group{margin-bottom:16px}.form-group label{display:block;margin-bottom:6px;color:#8b949e;font-size:14px}.form-group input,.form-group select{width:100%;padding:10px 12px;background:#0d1117;border:1px solid #30363D;border-radius:6px;color:#e6edf3;font-size:14px}.form-group input:focus,.form-group select:focus{outline:none;border-color:#58a6ff}.data-table{width:100%;border-collapse:collapse}.data-table th,.data-table td{padding:10px 12px;text-align:left;border-bottom:1px solid #30363D}.data-table th{color:#8b949e;font-weight:500;font-size:12px;text-transform:uppercase}.data-table td{color:#e6edf3}.zone-z1{color:#6b7280}.zone-z2{color:#3b82f6}.zone-z3{color:#10b981}.zone-z4{color:#f59e0b}.zone-z5{color:#ef4444}.zone-z6{color:#8b5cf6}.zone-z7{color:#ec4899}.chart-container{position:relative;height:300px;margin:16px 0}.status-success{color:#3fb950}.status-error{color:#f85149}.status-loading{color:#58a6ff}.week-card{background:#161b22;border-radius:8px;margin-bottom:16px;overflow:hidden;border:1px solid #30363D}.week-header{padding:16px 20px;background:#0d1117;display:flex;justify-content:space-between;align-items:center}.week-title{font-weight:600;color:#58a6ff}.week-focus{font-size:13px;color:#8b949e}@media (max-width: 768px){.sidebar{width:100%;position:relative;top:0}.main-content{margin-left:0;margin-top:0;padding:16px}.limit-banner{left:0}.metrics-grid{grid-template-columns:repeat(2,1fr)}}