:root{--wuc-primary:#0ea5e9;--wuc-primary-dark:#0284c7;--wuc-primary-light:#0ea5e91a;--wuc-secondary:#06b6d4;--wuc-success:#10b981;--wuc-warning:#f59e0b;--wuc-error:#ef4444;--wuc-text:#0f172a;--wuc-text-muted:#64748b;--wuc-text-light:#94a3b8;--wuc-bg:#fff;--wuc-bg-hover:#f0f9ff;--wuc-border:#e2e8f0;--wuc-border-focus:#0ea5e9;--wuc-radius:var(--main-radius);--wuc-radius-lg:var(--main-radius-lg);--wuc-shadow-sm:0 1px 3px #0000000f, 0 1px 2px #0000000a;--wuc-shadow:0 4px 12px #0ea5e91a;--wuc-focus-ring:0 0 0 3px #0ea5e91f;--wuc-active-ring:0 0 0 2px #0ea5e933}._wuc-container{gap:var(--main-space-8);flex-direction:column;max-width:800px;margin:0 auto;display:flex}._wuc-container button,._wuc-container input{-webkit-tap-highlight-color:transparent;touch-action:manipulation}._wuc-panel{background:var(--wuc-bg);border-radius:var(--wuc-radius-lg);border-style:solid;border-width:1px;border-color:var(--wuc-border);box-shadow:var(--wuc-shadow-sm);padding:var(--main-space-5)}._wuc-setup-row{align-items:flex-end;gap:var(--main-space-5);display:flex}._wuc-field{gap:var(--main-space-2);flex-direction:column;flex:1;display:flex}._wuc-field--unit,._wuc-field--currency{flex:none}._wuc-label{align-items:center;gap:var(--main-space-2);font-size:var(--main-text-sm);color:var(--wuc-text);font-weight:600;display:flex}._wuc-label svg{color:var(--wuc-primary);flex-shrink:0}._wuc-people-selector{gap:6px;display:flex}._wuc-people-btn{border-style:solid;border-width:1.5px;border-color:var(--wuc-border);border-radius:var(--wuc-radius);background:var(--wuc-bg);width:38px;height:38px;font-size:var(--main-text-sm);color:var(--wuc-text-muted);cursor:pointer;justify-content:center;align-items:center;font-weight:600;transition:border-color .15s,background .15s,color .15s;display:flex}._wuc-people-btn:hover{border-color:var(--wuc-primary);color:var(--wuc-primary)}._wuc-people-btn--active{border-color:var(--wuc-primary);background:var(--wuc-primary);color:#fff;box-shadow:var(--wuc-active-ring)}._wuc-unit-toggle{border-style:solid;border-width:1px;border-color:var(--wuc-border);border-radius:var(--wuc-radius);display:flex;overflow:hidden}._wuc-unit-btn{font-size:var(--main-text-sm);color:var(--wuc-text-muted);cursor:pointer;background:0 0;border:none;padding:.5rem 1rem;font-weight:600;transition:background .15s,color .15s}._wuc-unit-btn--active{background:var(--wuc-primary);color:#fff}._wuc-unit-btn:not(._wuc-unit-btn--active):hover{background:var(--wuc-bg-hover);color:var(--wuc-text)}._wuc-rate-row{align-items:flex-end;gap:var(--main-space-5);margin-top:var(--main-space-5);padding-top:var(--main-space-5);border-top-style:solid;border-top-width:1px;border-top-color:var(--wuc-border);display:flex}._wuc-rate-input-wrapper{align-items:center;gap:var(--main-space-2);display:flex}._wuc-input{border-style:solid;border-width:1.5px;border-color:var(--wuc-border);border-radius:var(--wuc-radius);font-size:var(--main-text-sm);color:var(--wuc-text);background:var(--wuc-bg);-moz-appearance:textfield;outline:none;flex:1;width:120px;padding:.5rem .75rem;transition:border-color .15s,box-shadow .15s}._wuc-input::-webkit-outer-spin-button{-webkit-appearance:none}._wuc-input::-webkit-inner-spin-button{-webkit-appearance:none}._wuc-input:focus{border-color:var(--wuc-border-focus);box-shadow:var(--wuc-focus-ring)}._wuc-rate-unit{font-size:var(--main-text-xs);color:var(--wuc-text-muted);white-space:nowrap;font-weight:500}._wuc-section{gap:var(--main-space-3);flex-direction:column;display:flex}._wuc-section-title{align-items:center;gap:var(--main-space-2);font-size:var(--main-text-sm);color:var(--wuc-text);font-weight:600;display:flex}._wuc-section-title svg{color:var(--wuc-primary)}@media (max-width:768px){._wuc-container{padding-left:1rem;padding-right:1rem}._wuc-panel{padding:var(--main-space-4)}._wuc-setup-row,._wuc-rate-row{flex-direction:column;align-items:stretch}._wuc-people-selector{gap:var(--main-space-2);grid-template-columns:repeat(8,1fr);display:grid}._wuc-people-btn{width:100%;height:auto;min-height:44px}._wuc-unit-toggle{align-self:flex-start}._wuc-unit-btn{min-height:44px;padding:.5rem 1.25rem}._wuc-rate-input-wrapper{flex-wrap:wrap}._wuc-input{width:100%;font-size:var(--main-text-base);flex:auto;padding:.625rem .75rem}}@media (max-width:480px){._wuc-container{gap:var(--main-space-5);padding-left:.75rem;padding-right:.75rem}._wuc-people-selector{grid-template-columns:repeat(4,1fr)}}._wuc-activities{gap:var(--main-space-3);grid-template-columns:repeat(3,1fr);display:grid}._wuc-activity-card{background:var(--wuc-bg);border-radius:var(--wuc-radius-lg);border-style:solid;border-width:1px;border-color:var(--wuc-border);box-shadow:var(--wuc-shadow-sm);padding:var(--main-space-4);gap:var(--main-space-3);flex-direction:column;transition:border-color .15s,box-shadow .15s;display:flex}._wuc-activity-card:hover{border-color:var(--wuc-primary);box-shadow:var(--wuc-shadow)}._wuc-activity-header{align-items:center;gap:var(--main-space-3);display:flex}._wuc-activity-icon{border-radius:var(--wuc-radius);background:var(--wuc-primary-light);width:40px;height:40px;color:var(--wuc-primary);flex-shrink:0;justify-content:center;align-items:center;display:flex}._wuc-activity-icon svg{width:22px;height:22px}._wuc-activity-info{flex-direction:column;flex:1;min-width:0;display:flex}._wuc-activity-name{font-size:var(--main-text-sm);color:var(--wuc-text);white-space:nowrap;text-overflow:ellipsis;font-weight:600;overflow:hidden}._wuc-activity-sub{color:var(--wuc-primary);font-size:10px;font-weight:500}._wuc-activity-sub--household{color:var(--wuc-text-muted)}._wuc-activity-usage{font-size:var(--main-text-xs);color:var(--wuc-primary-dark);font-weight:600;font-family:var(--main-font-mono);white-space:nowrap;background:var(--wuc-primary-light);border-radius:var(--main-radius-full);padding:2px 8px}._wuc-activity-usage:empty{display:none}._wuc-activity-controls{gap:var(--main-space-2);flex-direction:column;display:flex}._wuc-control{justify-content:space-between;align-items:center;gap:var(--main-space-2);display:flex}._wuc-control-label{color:var(--wuc-text-muted);white-space:nowrap;font-size:11px}._wuc-stepper{border-style:solid;border-width:1px;border-color:var(--wuc-border);border-radius:var(--wuc-radius);flex-shrink:0;align-items:center;display:flex;overflow:hidden}._wuc-stepper-btn{cursor:pointer;width:30px;height:30px;font-size:var(--main-text-base);color:var(--wuc-text-muted);-webkit-user-select:none;user-select:none;background:0 0;border:none;justify-content:center;align-items:center;font-weight:500;transition:background .15s,color .15s;display:flex}._wuc-stepper-btn:hover{background:var(--wuc-bg-hover);color:var(--wuc-primary)}._wuc-stepper-btn:active{background:var(--wuc-primary-light)}._wuc-stepper-value{text-align:center;min-width:32px;font-size:var(--main-text-sm);font-weight:600;font-family:var(--main-font-mono);color:var(--wuc-text);-webkit-user-select:none;user-select:none}@media (max-width:1024px){._wuc-activities{grid-template-columns:repeat(2,1fr)}}@media (max-width:768px){._wuc-activity-name{white-space:normal;line-height:1.3}._wuc-stepper-btn{width:40px;height:40px;font-size:var(--main-text-lg)}._wuc-stepper-value{min-width:40px}._wuc-control-label{font-size:var(--main-text-xs)}}@media (max-width:640px){._wuc-activities{grid-template-columns:1fr}._wuc-activity-card{padding:var(--main-space-3)}._wuc-activity-controls,._wuc-control{gap:var(--main-space-3)}}._wuc-results{gap:var(--main-space-5);flex-direction:column;display:flex}._wuc-summary-cards{gap:var(--main-space-3);grid-template-columns:repeat(3,1fr);display:grid}._wuc-summary-card{background:var(--wuc-bg);border-radius:var(--wuc-radius-lg);border-style:solid;border-width:1px;border-color:var(--wuc-border);box-shadow:var(--wuc-shadow-sm);padding:var(--main-space-5) var(--main-space-4);text-align:center;flex-direction:column;align-items:center;gap:4px;display:flex}._wuc-summary-card--primary{box-shadow:var(--wuc-shadow);border-color:#0ea5e94d}._wuc-summary-label{font-size:var(--main-text-xs);color:var(--wuc-text-muted);text-transform:uppercase;letter-spacing:.05em;font-weight:500}._wuc-summary-value{background:linear-gradient(135deg, var(--wuc-primary), var(--wuc-secondary));-webkit-text-fill-color:transparent;font-size:2rem;font-weight:700;line-height:1.1;font-family:var(--main-font-mono);-webkit-background-clip:text;background-clip:text}._wuc-summary-card--primary ._wuc-summary-value{font-size:2.5rem}._wuc-summary-unit{font-size:var(--main-text-sm);color:var(--wuc-text-muted);font-weight:500}._wuc-cost-cards{gap:var(--main-space-3);grid-template-columns:repeat(2,1fr);display:grid}._wuc-cost-card{background:var(--wuc-bg);border-radius:var(--wuc-radius-lg);border-style:solid;border-width:1px;border-color:var(--wuc-border);box-shadow:var(--wuc-shadow-sm);padding:var(--main-space-4);text-align:center;flex-direction:column;align-items:center;gap:4px;display:flex}._wuc-cost-label{font-size:var(--main-text-xs);color:var(--wuc-text-muted);text-transform:uppercase;letter-spacing:.05em;font-weight:500}._wuc-cost-value{font-size:var(--main-text-xl);color:var(--wuc-success);font-weight:700;font-family:var(--main-font-mono)}._wuc-breakdown-card{background:var(--wuc-bg);border-radius:var(--wuc-radius-lg);border-style:solid;border-width:1px;border-color:var(--wuc-border);box-shadow:var(--wuc-shadow-sm);padding:var(--main-space-5)}._wuc-breakdown-title{font-size:var(--main-text-sm);color:var(--wuc-text);margin-bottom:var(--main-space-4);font-weight:600}._wuc-breakdown-bars{gap:var(--main-space-3);flex-direction:column;min-height:120px;display:flex}._wuc-breakdown-item{flex-direction:column;gap:4px;display:flex}._wuc-breakdown-row{justify-content:space-between;align-items:center;gap:var(--main-space-2);display:flex}._wuc-breakdown-name{font-size:var(--main-text-xs);color:var(--wuc-text);white-space:nowrap;text-overflow:ellipsis;font-weight:500;overflow:hidden}._wuc-breakdown-value{font-size:var(--main-text-xs);color:var(--wuc-primary-dark);font-weight:600;font-family:var(--main-font-mono);white-space:nowrap}._wuc-breakdown-bar-bg{background:var(--wuc-primary-light);border-radius:var(--main-radius-full);height:6px;overflow:hidden}._wuc-breakdown-bar-fill{border-radius:var(--main-radius-full);background:linear-gradient(90deg, var(--wuc-primary), var(--wuc-secondary));height:100%;transition:width .3s}._wuc-comparison{align-items:center;gap:var(--main-space-3);background:var(--wuc-bg);border-radius:var(--wuc-radius-lg);border-style:solid;border-width:1px;border-color:var(--wuc-border);box-shadow:var(--wuc-shadow-sm);padding:var(--main-space-4) var(--main-space-5);display:flex}._wuc-comparison-icon{flex-shrink:0;justify-content:center;align-items:center;display:flex}._wuc-comparison-icon svg{width:20px;height:20px}._wuc-comparison-icon--good{color:var(--wuc-success)}._wuc-comparison-icon--average{color:var(--wuc-warning)}._wuc-comparison-icon--high{color:var(--wuc-error)}._wuc-comparison-text{font-size:var(--main-text-sm);color:var(--wuc-text-muted);line-height:1.5}._wuc-comparison-text strong{color:var(--wuc-text)}._wuc-tips{background:var(--wuc-bg);border-radius:var(--wuc-radius-lg);border-style:solid;border-width:1px;border-color:var(--wuc-border);box-shadow:var(--wuc-shadow-sm);overflow:hidden}._wuc-tips-toggle{align-items:center;gap:var(--main-space-2);width:100%;min-height:48px;padding:var(--main-space-4) var(--main-space-5);cursor:pointer;font-size:var(--main-text-sm);color:var(--wuc-text);text-align:left;background:0 0;border:none;font-weight:600;display:flex}._wuc-tips-toggle:hover{background:var(--wuc-bg-hover)}._wuc-tips-toggle svg{color:var(--wuc-primary)}._wuc-tips-icon{align-items:center;margin-left:auto;transition:transform .2s;display:flex}._wuc-tips-icon--open{transform:rotate(180deg)}._wuc-tips-body{border-top-style:solid;border-top-width:1px;border-top-color:var(--wuc-border);padding:var(--main-space-4) var(--main-space-5);display:none}._wuc-tips-body--open{display:block}._wuc-tips-list{gap:var(--main-space-3);flex-direction:column;display:flex}._wuc-tip-item{align-items:flex-start;gap:var(--main-space-3);padding:var(--main-space-3);background:var(--wuc-primary-light);border-radius:var(--wuc-radius);display:flex}._wuc-tip-icon{color:var(--wuc-primary);flex-shrink:0;justify-content:center;align-items:center;display:flex}._wuc-tip-icon svg{width:16px;height:16px}._wuc-tip-text{font-size:var(--main-text-xs);color:var(--wuc-text-muted);line-height:1.5}._wuc-tip-text strong{color:var(--wuc-text);font-size:var(--main-text-sm);margin-bottom:2px;display:block}@media (max-width:768px){._wuc-results{gap:var(--main-space-4)}._wuc-summary-value{word-break:break-word;font-size:1.75rem}._wuc-summary-card--primary ._wuc-summary-value{font-size:2.25rem}._wuc-breakdown-card,._wuc-comparison,._wuc-tips-toggle,._wuc-tips-body{padding:var(--main-space-4)}}@media (max-width:640px){._wuc-summary-cards{grid-template-columns:1fr 1fr}._wuc-summary-card--primary{grid-column:1/-1}._wuc-summary-card--primary ._wuc-summary-value{font-size:2rem}._wuc-summary-card{padding:var(--main-space-4) var(--main-space-3)}}@media (max-width:380px){._wuc-summary-cards,._wuc-cost-cards{grid-template-columns:1fr}}