.historical-data{padding:0;width:100vw;min-height:100vh;background:#f9fafb;margin:0;box-sizing:border-box}.historical-header{text-align:center;margin-bottom:40px}.historical-title{font-size:2.5rem;font-weight:700;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:8px;margin-top:32px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;letter-spacing:-.025em}.historical-subtitle{color:#6b7280;font-size:1.1rem;font-weight:400;margin-bottom:0}.chart-section{background:#fff;border-radius:16px;box-shadow:0 8px 32px #0000001a;padding:24px;margin:0 20px 24px;border:1px solid #e5e7eb}.chart-title{font-size:1.5rem;font-weight:600;color:#1f2937;margin-bottom:16px;display:flex;align-items:center;gap:12px}.chart-title:before{content:"";width:4px;height:24px;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:2px}.avg-pe-badge{display:inline-flex;align-items:center;background:linear-gradient(135deg,#d1fae5,#a7f3d0);color:#065f46;padding:8px 16px;border-radius:20px;font-weight:600;font-size:14px;margin-bottom:20px;border:1px solid #6ee7b7;box-shadow:0 2px 8px #10b98133}.chart-container{width:100%;height:600px;min-height:500px;margin-top:20px;position:relative;overflow:visible}.chart-container svg{display:block;width:100%;height:100%}.axis-label{font-size:14px;font-weight:600;fill:#374151}.tick text{font-size:12px;fill:#6b7280}.tick line{stroke:#e5e7eb}.grid line{stroke:#f3f4f6;stroke-opacity:.7}.grid path{stroke-width:0}.tooltip{position:absolute;background:#fffffff2;border:1px solid #e5e7eb;border-radius:8px;padding:12px;font-size:12px;pointer-events:none;box-shadow:0 4px 12px #0000001a;z-index:1000}.tooltip-title{font-weight:600;color:#1f2937;margin-bottom:4px}.tooltip-value{color:#374151}.back-button{position:fixed;top:20px;left:20px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:50px;padding:12px 24px;font-size:14px;font-weight:600;cursor:pointer;box-shadow:0 4px 12px #667eea4d;transition:all .3s ease;text-decoration:none;display:inline-flex;align-items:center;gap:8px;z-index:1000}.back-button:hover{background:linear-gradient(135deg,#5a6fd8,#6a4190);transform:translateY(-2px);box-shadow:0 8px 20px #667eea66;color:#fff;text-decoration:none}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:24px;margin:0 20px 40px;max-width:none}.stat-card{background:linear-gradient(135deg,#f8fafc,#f1f5f9);border-radius:12px;padding:20px;border:1px solid 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20px}.back-button{position:relative;top:auto;left:auto;margin-bottom:20px}.stats-grid{grid-template-columns:1fr;margin:0 0 30px}.chart-container{height:400px;min-height:350px}}.demo-notice{text-align:center;margin:24px 0;padding:16px;background-color:#f0f9ff;border:1px solid #0ea5e9;border-radius:8px;color:#0c4a6e}.demo-notice-button{color:#0ea5e9;text-decoration:none;background:none;border:none;cursor:pointer;font-size:inherit;font-weight:500;padding:4px 8px;border-radius:4px;transition:all .2s ease;margin:0 4px}.demo-notice-button:hover{color:#0284c7;background-color:#0ea5e91a;text-decoration:underline}.demo-notice-button.login{color:#0ea5e9}.demo-notice-button.register{background-color:#0ea5e9;color:#fff;font-weight:600}.demo-notice-button.register:hover{background-color:#0284c7;color:#fff;text-decoration:none}.demo-notice-text{margin-bottom:8px}.table-container{overflow-x:auto;border-radius:12px;box-shadow:0 8px 32px #0000001a;background:#fff;margin:24px 0;position:relative}table{border-collapse:separate;border-spacing:0;width:100%;background:#fff;min-width:900px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif}th,td{padding:8px 6px;text-align:left;border-bottom:1px solid #f0f0f0;vertical-align:middle;white-space:nowrap;box-sizing:border-box;overflow:hidden;text-overflow:ellipsis}th,td{min-width:80px;max-width:150px}th{cursor:pointer;background:#f8fafc;color:#374151;font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.3px;position:sticky;top:0;z-index:10;transition:all .3s ease;border:none;border-bottom:2px solid #e5e7eb;white-space:normal;word-break:break-word;overflow:visible;text-overflow:unset}th:hover{background:#f1f5f9;color:#1f2937;transform:translateY(-1px)}th:first-child,td:first-child{position:sticky;left:0;z-index:5;background:#f3f4f6;border-right:2px solid #e5e7eb}th:first-child{z-index:15;background:#e5e7eb}td:first-child:after{content:"";position:absolute;top:0;right:-4px;width:4px;height:100%;background:linear-gradient(to right,rgba(0,0,0,.1),transparent);pointer-events:none}td{font-size:13px;color:#333;transition:all .2s ease;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}input[type=number]{width:55px;border:2px solid #e1e5e9;border-radius:4px;padding:3px 5px;font-size:12px;transition:all .3s ease;background:#fafbfc;color:#222}input[type=number]:focus{outline:none;border-color:#667eea;background:#fff;box-shadow:0 0 0 3px #667eea1a;transform:translateY(-1px)}button{border:none;border-radius:8px;padding:8px 16px;font-weight:600;cursor:pointer;transition:all .3s ease;font-size:13px}button:hover{transform:translateY(-2px);box-shadow:0 4px 12px #00000026}.up{color:#10b981;font-weight:600;background:#10b9811a;padding:2px 4px;border-radius:4px;font-size:11px}.down{color:#ef4444;font-weight:600;background:#ef44441a;padding:2px 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