/* ===== ИЗОЛИРОВАННЫЕ СТИЛИ ===== */
        #bio-calc * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        
        #bio-calc {
            font-family: 'Open Sans', Arial, sans-serif;
            font-size: 14px;
            line-height: 1.5;
            color: #333;
            max-width: 900px;
            margin: 0 auto;
            padding: 20px;
            background: #fff;
        }
        
        #bio-calc h1 {
            font-size: 24px;
            font-weight: 700;
            text-align: center;
            margin-bottom: 30px;
            color: #333;
        }
        
        #bio-calc h2 {
            font-size: 20px;
            font-weight: 700;
            text-align: center;
            margin: 30px 0 20px;
            color: #333;
        }
        
        #bio-calc h3 {
            font-size: 18px;
            font-weight: 700;
            text-align: center;
            margin: 25px 0 15px;
            color: #333;
        }
        
        /* UI Section */
        .bc-ui-wrap {
            display: flex;
            flex-direction: column;
            align-items: center;
            margin-bottom: 30px;
        }
        
        .bc-buttons {
            display: flex;
            flex-direction: column;
            gap: 15px;
            width: 100%;
            max-width: 500px;
        }
        
        .bc-select-block {
            margin-bottom: 10px;
            color: #999;
            font-weight: 300;
            font-size: 13px;
        }
        
        .bc-date-picker {
            display: flex;
            gap: 8px;
            margin-bottom: 15px;
            flex-wrap: wrap;
        }
        
        .bc-select-wrap {
            position: relative;
            flex: 1;
            min-width: 80px;
        }
        
        .bc-select {
            width: 100%;
            padding: 10px 30px 10px 15px;
            border: 2px solid #ff007f;
            border-radius: 4px;
            background: #fff;
            font-size: 14px;
            color: #333;
            cursor: pointer;
            appearance: none;
            -webkit-appearance: none;
        }
        
        .bc-select-wrap::after {
            content: "";
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%) rotate(45deg);
            width: 8px;
            height: 8px;
            border-right: 2px solid #999;
            border-bottom: 2px solid #999;
            pointer-events: none;
        }
        
        .bc-select:focus {
            outline: none;
            border-color: #d00e5d;
        }
        
        .bc-calc-btn {
            background: #ff007f;
            color: #fff;
            padding: 12px 30px;
            border-radius: 50px;
            border: none;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            text-align: center;
            transition: all 0.2s;
            margin-top: 10px;
        }
        
        .bc-calc-btn:hover {
            background: #f10078;
            box-shadow: 0 2px 9px rgba(252, 70, 143, 0.55);
        }
        
        /* Progress Bar */
        #bc-progress-bar {
            margin: 20px 0;
            width: 0;
            height: 3px;
            background: linear-gradient(90deg, #ff007f, #ff66b2);
            display: none;
            border-radius: 2px;
            transition: width 0.1s linear;
        }
        
        /* Results */
        .bc-results {
            display: none;
            background: #fff;
            box-shadow: 0 2px 48px rgba(0, 0, 0, 0.12);
            border-radius: 8px;
            overflow: hidden;
            margin-top: 30px;
        }
        
        .bc-results-content {
            padding: 30px;
        }
        
        .bc-pink {
            color: #ff007f;
            font-weight: 600;
        }
        
        /* Sidebar */
        .bc-sidebar {
            margin-bottom: 30px;
        }
        
        .bc-sidebar-table {
            width: 100%;
            max-width: 300px;
            border-collapse: collapse;
        }
        
        .bc-sidebar-row {
            border-bottom: 1px solid #eee;
            padding: 12px 0;
        }
        
        .bc-sidebar-name {
            font-weight: 600;
            font-size: 14px;
            color: #333;
        }
        
        .bc-sidebar-descr {
            font-size: 11px;
            color: #999;
            margin: 2px 0;
        }
        
        .bc-sidebar-num {
            font-size: 18px;
            font-weight: 700;
            color: #ff007f;
        }
        
        /* Chart */
        .bc-chart-container {
            position: relative;
            margin: 20px 0;
            overflow-x: auto;
        }
        
        .bc-chart {
            min-width: 600px;
            height: 200px;
        }
        
        .bc-chart-grid {
            stroke: #eee;
            stroke-width: 1;
        }
        
        .bc-chart-line {
            fill: none;
            stroke-width: 2;
            stroke-linecap: round;
            stroke-linejoin: round;
        }
        
        .bc-chart-area {
            opacity: 0.2;
        }
        
        .bc-chart-point {
            fill: #fff;
            stroke-width: 2;
            r: 4;
            cursor: pointer;
            transition: r 0.2s;
        }
        
        .bc-chart-point:hover {
            r: 6;
        }
        
        .bc-chart-label {
            font-size: 11px;
            fill: #666;
            text-anchor: middle;
        }
        
        .bc-chart-tooltip {
            position: absolute;
            background: #fff;
            border: 2px solid;
            border-radius: 8px;
            padding: 8px 12px;
            font-size: 12px;
            pointer-events: none;
            opacity: 0;
            transition: opacity 0.2s;
            box-shadow: 0 2px 8px rgba(0,0,0,0.15);
            z-index: 100;
        }
        
        .bc-chart-tooltip.visible {
            opacity: 1;
        }
        
        /* Days Table */
        .bc-days-table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            font-size: 12px;
        }
        
        .bc-days-table th,
        .bc-days-table td {
            padding: 8px 4px;
            text-align: center;
            border: 1px solid #eee;
        }
        
        .bc-days-table th {
            background: #f9f9f9;
            font-weight: 600;
        }
        
        .bc-days-table .bc-today {
            background: #ffeef5;
            color: #ff007f;
            font-weight: 700;
        }
        
        /* Bio Description */
        .bc-description {
            background: #f9f9f9;
            padding: 20px;
            border-radius: 8px;
            margin-top: 30px;
        }
        
        .bc-description h3 {
            margin-top: 0;
            margin-bottom: 15px;
        }
        
        .bc-description p {
            margin-bottom: 10px;
            font-size: 13px;
            line-height: 1.6;
            color: #555;
        }
        
        /* Legend */
        .bc-legend {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin: 20px 0;
            justify-content: center;
        }
        
        .bc-legend-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
        }
        
        .bc-legend-color {
            width: 20px;
            height: 3px;
            border-radius: 2px;
        }
        
        /* Mobile */
        @media (max-width: 600px) {
            #bio-calc {
                padding: 15px;
            }
            
            #bio-calc h1 {
                font-size: 20px;
            }
            
            .bc-date-picker {
                flex-direction: column;
            }
            
            .bc-select-wrap {
                width: 100%;
            }
            
            .bc-results-content {
                padding: 15px;
            }
            
            .bc-chart {
                height: 150px;
            }
        }