:root{--bg-color: #fff;--text-primary: #333;--text-secondary: #666;--panel-bg: #f8f9fa;--panel-border: #dee2e6;--border-color: #eee;--accent-color: #007bff;--success-color: #28a745;--card-shadow: 0 2px 4px rgb(0 0 0 / 5%);--table-header-bg: #f8f9fa;--table-hover-bg: #fcfcfc;--past-row-opacity: .78}[data-theme=dark]{--bg-color: #121212;--text-primary: #e0e0e0;--text-secondary: #b0b0b0;--panel-bg: #1e1e1e;--panel-border: #333;--border-color: #333;--accent-color: #3791ff;--success-color: #81c784;--card-shadow: 0 4px 8px rgb(0 0 0 / 30%);--table-header-bg: #2d2d2d;--table-hover-bg: #252525;--past-row-opacity: .72}body{background-color:var(--bg-color);color:var(--text-primary);transition:background-color .3s,color .3s}.container{max-width:1200px;margin:0 auto;padding:20px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}header{border-bottom:2px solid var(--border-color);margin-bottom:20px;padding-bottom:10px;display:flex;justify-content:space-between;align-items:center}header h1{margin:0;color:var(--text-primary)}header .theme-toggle{padding:8px 16px;background:var(--panel-bg);border:1px solid var(--border-color);border-radius:20px;cursor:pointer;color:var(--text-primary);font-size:.9rem;transition:all .2s}header .theme-toggle:hover{background:var(--table-header-bg);border-color:var(--panel-border)}.dashboard-grid{display:grid;grid-template-columns:300px 1fr;gap:30px}@media(max-width:900px){.dashboard-grid{grid-template-columns:1fr}}.config-panel{background:var(--panel-bg);padding:20px;border-radius:8px;border:1px solid var(--panel-border)}.config-panel h3{margin-top:0;margin-bottom:15px;font-size:1.1rem;border-bottom:1px solid var(--panel-border);padding-bottom:5px;color:var(--text-primary)}.config-panel section{margin-bottom:25px}.quick-calc{border-top:2px solid var(--panel-border);padding-top:15px}.quick-calc h3{color:var(--accent-color)}.quick-calc.summary-calc h3{color:var(--text-secondary)}.summary-details{font-size:.8rem;color:var(--text-secondary);display:flex;flex-direction:column;margin-top:4px}.total-net{margin-top:8px;border-top:1px solid var(--border-color);padding-top:4px}.total-net.negative-cost{color:var(--success-color)!important}.info-text{font-size:.85rem;color:var(--text-secondary);font-style:italic;margin:0}.total-savings{color:var(--success-color)!important}.sub-value{font-size:.8rem;color:var(--text-secondary)}.quick-results{background:var(--bg-color);padding:12px;border-radius:6px;border:1px solid var(--border-color)}.quick-results .result-item{margin-bottom:12px;padding-bottom:8px;border-bottom:1px dashed var(--border-color)}.quick-results .result-item:last-child{margin-bottom:0;padding-bottom:0;border-bottom:none}.quick-results .result-item .label{display:block;font-size:.8rem;color:var(--text-secondary)}.quick-results .result-item .value{display:block;font-size:1.2rem;font-weight:700;color:var(--text-primary)}.quick-results .result-item .savings{display:block;font-size:.85rem;color:var(--success-color);font-weight:500}.form-group{margin-bottom:15px}.form-group label{display:block;margin-bottom:5px;font-weight:500;font-size:.9rem;color:var(--text-secondary)}.form-group .checkbox-group{display:flex;flex-direction:column;gap:8px}.form-group .checkbox-group label{display:flex;align-items:center;font-weight:400;cursor:pointer;margin:0;color:var(--text-primary)}.form-group .checkbox-group label input{width:auto;margin-right:10px}.form-group select,.form-group input{width:100%;padding:8px;border:1px solid var(--border-color);border-radius:4px;font-size:1rem;box-sizing:border-box;background-color:var(--bg-color);color:var(--text-primary)}.reset-settings{width:100%;padding:8px 12px;background:transparent;border:1px solid var(--border-color);border-radius:4px;color:var(--text-secondary);cursor:pointer}.reset-settings:hover{background:var(--table-hover-bg);border-color:var(--panel-border);color:var(--text-primary)}.results-panel{display:flex;flex-direction:column;gap:30px}.chart-section,.table-section{background:var(--bg-color);padding:20px;border-radius:8px;border:1px solid var(--panel-border);box-shadow:var(--card-shadow)}.chart-section h3,.table-section h3{margin-top:0;margin-bottom:20px;color:var(--text-primary)}.chart-section .chart-container,.table-section .chart-container{position:relative;height:400px;width:100%}.table-header-nav{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.table-header-nav h3{margin:0;font-size:1.2rem;color:var(--text-primary)}.table-header-nav button{padding:6px 12px;background:var(--panel-bg);border:1px solid var(--border-color);border-radius:4px;cursor:pointer;font-size:.9rem;color:var(--text-secondary);transition:all .2s}.table-header-nav button:hover{background:var(--table-header-bg);border-color:var(--panel-border)}.table-averages{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px;margin-bottom:20px}.table-averages .average-item{display:flex;flex-direction:column;gap:4px;padding:10px 12px;background:var(--panel-bg);border:1px solid var(--border-color);border-radius:4px}.table-averages .average-item span{color:var(--text-secondary);font-size:.85rem}.table-averages .average-item strong{color:var(--accent-color);font-size:1rem}.table-container{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:.9rem;color:var(--text-primary)}table th,table td{text-align:left;padding:12px;border-bottom:1px solid var(--border-color)}table th{background:var(--table-header-bg);font-weight:600}table tbody tr.is-past{opacity:var(--past-row-opacity)}table tbody tr.is-current{font-weight:700}table tr:hover{background:var(--table-hover-bg)}table .price-indicator{display:inline-block;width:12px;height:12px;border-radius:50%;margin-right:8px;border:1px solid rgba(0,0,0,.1);vertical-align:middle}table strong{color:var(--accent-color)}