:root{--pc-primary:#ea580c;--pc-primary-light:#fff7ed;--pc-primary-bg:#ea580c14;--pc-text:#1e293b;--pc-text-secondary:#475569;--pc-text-muted:#64748b;--pc-bg:#fff;--pc-bg-secondary:#f8fafc;--pc-border:#e2e8f0;--pc-border-focus:#ea580c;--pc-radius:var(--main-radius,.5rem);--pc-radius-lg:var(--main-radius-lg,.75rem);--pc-shadow:0 1px 3px #0000000f;--pc-shadow-md:0 4px 12px #00000014;--pc-success:#059669;--pc-success-bg:#05966914}._pc-container{max-width:900px;margin:0 auto}._pc-unit-bar{justify-content:space-between;align-items:center;gap:.75rem;margin-bottom:1.25rem;display:flex}._pc-mode-tabs{background:var(--pc-bg);border-radius:var(--pc-radius);border-style:solid;border-width:1px;border-color:var(--pc-border);box-shadow:var(--pc-shadow);padding:3px;display:inline-flex}._pc-mode-tab{color:var(--pc-text-secondary);border-radius:calc(var(--pc-radius) - 2px);cursor:pointer;background:0 0;border-width:0;align-items:center;gap:.375rem;padding:.375rem .875rem;font-size:.8125rem;font-weight:500;transition:background .15s,color .15s;display:inline-flex}._pc-mode-icon{align-items:center;line-height:1;display:flex}._pc-mode-tab:hover{color:var(--pc-text)}._pc-mode-tab--active{background:var(--pc-primary);color:#fff}._pc-mode-tab--active:hover{color:#fff}._pc-unit-tabs{background:var(--pc-bg);border-radius:var(--pc-radius);border-style:solid;border-width:1px;border-color:var(--pc-border);box-shadow:var(--pc-shadow);padding:3px;display:inline-flex}._pc-unit-tab{color:var(--pc-text-secondary);border-radius:calc(var(--pc-radius) - 2px);cursor:pointer;background:0 0;border-width:0;padding:.375rem .875rem;font-size:.8125rem;font-weight:500;transition:background .15s,color .15s}._pc-unit-tab:hover{color:var(--pc-text)}._pc-unit-tab--active{background:var(--pc-primary);color:#fff}._pc-unit-tab--active:hover{color:#fff}._pc-layout{grid-template-columns:1fr 320px;align-items:start;gap:1.25rem;display:grid}._pc-inputs{flex-direction:column;gap:1rem;display:flex}._pc-results{flex-direction:column;gap:1rem;display:flex;position:sticky;top:1rem}@media (max-width:768px){._pc-container{padding-left:1rem;padding-right:1rem}._pc-layout{grid-template-columns:1fr}._pc-results{position:static}}._pc-room-bar{flex-wrap:wrap;align-items:center;gap:.375rem;margin-bottom:1rem;display:flex;position:relative}._pc-room-tabs{flex-wrap:wrap;gap:.375rem;display:flex}._pc-room-tab{border-style:solid;border-width:1.5px;border-color:var(--pc-border);border-radius:var(--pc-radius);background:var(--pc-bg);color:var(--pc-text-secondary);cursor:pointer;box-shadow:var(--pc-shadow);white-space:nowrap;text-overflow:ellipsis;align-items:center;gap:.375rem;max-width:180px;padding:.4375rem .75rem;font-size:.8125rem;font-weight:500;transition:border-color .15s,color .15s,background .15s;display:inline-flex;overflow:hidden}._pc-room-tab:hover{border-color:var(--pc-primary);color:var(--pc-primary)}._pc-room-tab--active{border-color:var(--pc-primary);background:var(--pc-primary-bg);color:var(--pc-primary)}._pc-room-tab-name{text-overflow:ellipsis;overflow:hidden}._pc-room-menu-trigger{color:inherit;cursor:pointer;opacity:.4;background:0 0;border-width:0;border-radius:3px;flex-shrink:0;align-items:center;padding:1px 2px;line-height:1;transition:opacity .15s,background .15s;display:flex}._pc-room-menu-trigger:hover{opacity:1;background:#0000000f}body.dark-mode ._pc-room-menu-trigger:hover{background:#ffffff14}._pc-room-tab--active ._pc-room-menu-trigger{opacity:.6}._pc-room-tab--active ._pc-room-menu-trigger:hover{opacity:1}._pc-room-dropdown{z-index:50;background:var(--pc-bg);border-style:solid;border-width:1px;border-color:var(--pc-border);border-radius:var(--pc-radius);min-width:140px;padding:.25rem;position:absolute;box-shadow:0 4px 16px #0000001f}body.dark-mode ._pc-room-dropdown{box-shadow:0 4px 16px #0006}._pc-room-dropdown-item{width:100%;color:var(--pc-text);text-align:left;cursor:pointer;border-radius:calc(var(--pc-radius) - 2px);background:0 0;border-width:0;padding:.4375rem .75rem;font-family:inherit;font-size:.8125rem;transition:background .1s;display:block}._pc-room-dropdown-item:hover{background:var(--pc-bg-secondary,#0000000a)}._pc-room-dropdown-item--danger{color:#ef4444}._pc-room-dropdown-item--danger:hover{background:#ef444414}._pc-room-dropdown-divider{background:var(--pc-border);height:1px;margin:.25rem 0}._pc-room-add{border-style:dashed;border-width:1.5px;border-color:var(--pc-border);border-radius:var(--pc-radius);color:var(--pc-text-muted);cursor:pointer;background:0 0;flex-shrink:0;justify-content:center;align-items:center;padding:.4375rem .5rem;transition:border-color .15s,color .15s;display:inline-flex}._pc-room-add:hover{border-color:var(--pc-primary);color:var(--pc-primary)}._pc-room-add-icon{align-items:center;display:flex}._pc-summary{background:var(--pc-bg);border-radius:var(--pc-radius-lg);border-style:solid;border-width:1px;border-color:var(--pc-border);box-shadow:var(--pc-shadow);overflow:hidden}._pc-summary-header{padding:.75rem 1rem 0}._pc-summary-title{color:var(--pc-text);margin:0;font-size:.8125rem;font-weight:600}._pc-summary-rooms{flex-direction:column;gap:.25rem;padding:.5rem 1rem;display:flex}._pc-summary-room{justify-content:space-between;align-items:center;padding:.3125rem 0;font-size:.8125rem;display:flex}._pc-summary-room+._pc-summary-room{border-top-style:solid;border-top-width:1px;border-top-color:var(--pc-border)}._pc-summary-room-name{color:var(--pc-text-secondary);text-overflow:ellipsis;white-space:nowrap;max-width:140px;overflow:hidden}._pc-summary-room-value{color:var(--pc-text);font-weight:600;font-family:var(--main-font-mono)}._pc-summary-total{background:var(--pc-primary-bg);border-top-style:solid;border-top-width:1px;border-top-color:var(--pc-border);justify-content:space-between;align-items:center;padding:.625rem 1rem;display:flex}._pc-summary-total-label{color:var(--pc-text);font-size:.8125rem;font-weight:600}._pc-summary-total-value{color:var(--pc-primary);font-size:1rem;font-weight:700;font-family:var(--main-font-mono)}._pc-room-name-input{color:inherit;background:0 0;border-width:0;outline:none;width:100px;padding:0;font-family:inherit;font-size:.8125rem;font-weight:500}._pc-card{background:var(--pc-bg);border-radius:var(--pc-radius-lg);border-style:solid;border-width:1px;border-color:var(--pc-border);box-shadow:var(--pc-shadow);overflow:hidden}._pc-card-header{padding:.875rem 1.125rem 0}._pc-card-title{color:var(--pc-text);align-items:center;gap:.5rem;margin:0;font-size:.875rem;font-weight:600;display:flex}._pc-card-title svg{color:var(--pc-primary);flex-shrink:0}._pc-card-body{padding:.875rem 1.125rem 1.125rem}._pc-collapse-header{cursor:pointer;width:100%;color:inherit;background:0 0;border-width:0;justify-content:space-between;align-items:center;padding:.875rem 1.125rem;display:flex}._pc-collapse-header:hover{opacity:.8}._pc-collapse-icon{width:20px;height:20px;color:var(--pc-text-muted);justify-content:center;align-items:center;transition:transform .2s;display:flex}._pc-collapse-icon--open{transform:rotate(180deg)}._pc-collapse-body{border-top-style:solid;border-top-width:1px;border-top-color:var(--pc-border)}._pc-input-row{gap:.75rem;display:grid}._pc-input-row--3col{grid-template-columns:repeat(3,1fr)}._pc-input-group{flex-direction:column;gap:.375rem;display:flex}._pc-label{color:var(--pc-text-secondary);font-size:.8125rem;font-weight:500}._pc-input-wrap{border-style:solid;border-width:1.5px;border-color:var(--pc-border);border-radius:var(--pc-radius);background:var(--pc-bg);align-items:center;transition:border-color .15s,box-shadow .15s;display:flex}._pc-input-wrap:focus-within{border-color:var(--pc-border-focus);box-shadow:0 0 0 3px #ea580c1a}._pc-input-wrap--inline{max-width:160px}._pc-input{min-width:0;color:var(--pc-text);background:0 0;border-width:0;outline:none;flex:1;padding:.5rem .625rem;font-family:inherit;font-size:.875rem}._pc-input::placeholder{color:var(--pc-text-muted)}._pc-input-unit{color:var(--pc-text-muted);white-space:nowrap;-webkit-user-select:none;user-select:none;padding:0 .625rem;font-size:.75rem;font-weight:500}._pc-toggle-row{margin-top:.75rem}._pc-toggle{cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:.5rem;display:inline-flex}._pc-toggle input{display:none}._pc-toggle-slider{background:var(--pc-border);border-radius:10px;flex-shrink:0;width:36px;height:20px;transition:background .2s;position:relative}._pc-toggle-slider:after{content:"";background:#fff;border-radius:50%;width:16px;height:16px;transition:left .2s;position:absolute;top:2px;left:2px;box-shadow:0 1px 3px #00000026}._pc-toggle input:checked+._pc-toggle-slider{background:var(--pc-primary)}._pc-toggle input:checked+._pc-toggle-slider:after{left:18px}._pc-toggle-text{color:var(--pc-text-secondary);font-size:.8125rem}._pc-add-btn{border-style:dashed;border-width:1px;border-color:var(--pc-border);border-radius:var(--pc-radius);color:var(--pc-text-muted);cursor:pointer;background:0 0;justify-content:center;align-items:center;gap:.375rem;width:100%;padding:.5rem .75rem;font-size:.8125rem;transition:border-color .15s,color .15s;display:inline-flex}._pc-add-btn:hover{border-color:var(--pc-primary);color:var(--pc-primary)}._pc-add-btn-icon{align-items:center;display:flex}@media (max-width:768px){._pc-input-row--3col{grid-template-columns:1fr 1fr}._pc-input-row--3col ._pc-input-group:last-child{grid-column:span 2}}@media (max-width:480px){._pc-input-row--3col{grid-template-columns:1fr}._pc-input-row--3col ._pc-input-group:last-child{grid-column:span 1}}._pc-openings-presets{flex-direction:column;gap:.625rem;margin-bottom:.75rem;display:flex}._pc-preset-group{flex-wrap:wrap;align-items:center;gap:.5rem;display:flex}._pc-preset-label{color:var(--pc-text-muted);min-width:60px;font-size:.75rem;font-weight:500}._pc-preset-items{flex-wrap:wrap;gap:.375rem;display:flex}._pc-preset-btn{border-style:solid;border-width:1px;border-color:var(--pc-border);border-radius:var(--pc-radius);background:var(--pc-bg-secondary);font-size:.75rem;font-family:var(--main-font-mono);color:var(--pc-text-secondary);cursor:pointer;padding:.3125rem .625rem;transition:border-color .15s,background .15s}._pc-preset-btn:hover{border-color:var(--pc-primary);color:var(--pc-primary)}._pc-openings-list{flex-direction:column;gap:.5rem;min-height:0;margin-bottom:.75rem;display:flex}._pc-opening-item{background:var(--pc-bg-secondary);border-radius:var(--pc-radius);border-style:solid;border-width:1px;border-color:var(--pc-border);align-items:center;gap:.5rem;padding:.5rem .625rem;display:flex}._pc-opening-type{color:var(--pc-primary);min-width:52px;font-size:.75rem;font-weight:500}._pc-opening-size{font-size:.8125rem;font-family:var(--main-font-mono);color:var(--pc-text)}._pc-opening-area{color:var(--pc-text-muted);margin-left:auto;font-size:.75rem}._pc-opening-qty{align-items:center;gap:.25rem;display:flex}._pc-opening-qty-btn{border-style:solid;border-width:1px;border-color:var(--pc-border);background:var(--pc-bg);width:24px;height:24px;color:var(--pc-text-secondary);cursor:pointer;border-radius:4px;justify-content:center;align-items:center;padding:0;font-size:.875rem;line-height:1;display:flex}._pc-opening-qty-btn:hover{border-color:var(--pc-primary);color:var(--pc-primary)}._pc-opening-qty-value{color:var(--pc-text);text-align:center;min-width:20px;font-size:.8125rem;font-weight:600}._pc-opening-remove{width:24px;height:24px;color:var(--pc-text-muted);cursor:pointer;background:0 0;border-width:0;border-radius:4px;justify-content:center;align-items:center;margin-left:.25rem;padding:0;display:flex}._pc-opening-remove:hover{color:#ef4444}._pc-opening-custom-inputs{flex:1;align-items:center;gap:.375rem;display:flex}._pc-opening-custom-inputs ._pc-input-wrap{flex:1;min-width:0}._pc-opening-custom-inputs ._pc-input{padding:.375rem .5rem;font-size:.8125rem}._pc-opening-custom-inputs ._pc-input-unit{padding:0 .5rem;font-size:.6875rem}._pc-opening-custom-x{color:var(--pc-text-muted);font-size:.75rem}._pc-config-section{margin-bottom:.875rem}._pc-config-section:last-child{margin-bottom:0}._pc-config-section>._pc-label{margin-bottom:.5rem;display:block}._pc-radio-group{grid-template-columns:repeat(2,1fr);gap:.5rem;display:grid}._pc-radio{border-style:solid;border-width:1.5px;border-color:var(--pc-border);border-radius:var(--pc-radius);cursor:pointer;align-items:flex-start;gap:.5rem;padding:.5rem .625rem;transition:border-color .15s,background .15s;display:flex}._pc-radio:hover{border-color:var(--pc-primary)}._pc-radio input{display:none}._pc-radio-box{border-style:solid;border-width:2px;border-color:var(--pc-border);border-radius:50%;flex-shrink:0;width:16px;height:16px;margin-top:1px;transition:border-color .15s;position:relative}._pc-radio input:checked~._pc-radio-box{border-color:var(--pc-primary)}._pc-radio input:checked~._pc-radio-box:after{content:"";background:var(--pc-primary);border-radius:50%;width:6px;height:6px;position:absolute;top:3px;left:3px}._pc-radio input:checked~._pc-radio-content ._pc-radio-title{color:var(--pc-primary)}._pc-radio-content{flex-direction:column;gap:.125rem;min-width:0;display:flex}._pc-radio-title{color:var(--pc-text);font-size:.8125rem;font-weight:500;transition:color .15s}._pc-radio-hint{color:var(--pc-text-muted);font-size:.6875rem;font-family:var(--main-font-mono)}._pc-custom-coverage{margin-top:.5rem}._pc-chip-group{flex-wrap:wrap;gap:.375rem;display:flex}._pc-chip{border-style:solid;border-width:1.5px;border-color:var(--pc-border);border-radius:var(--pc-radius);background:var(--pc-bg);color:var(--pc-text-secondary);cursor:pointer;padding:.375rem .875rem;font-size:.8125rem;font-weight:500;transition:border-color .15s,color .15s,background .15s}._pc-chip:hover{border-color:var(--pc-primary);color:var(--pc-primary)}._pc-chip--active{border-color:var(--pc-primary);background:var(--pc-primary-bg);color:var(--pc-primary)}@media (max-width:480px){._pc-radio-group{grid-template-columns:1fr}}._pc-result-card{background:var(--pc-bg);border-radius:var(--pc-radius-lg);border-style:solid;border-width:1px;border-color:var(--pc-border);box-shadow:var(--pc-shadow);text-align:center;padding:1.5rem}._pc-result-card--primary{background:linear-gradient(135deg,#fff7ed,#ffedd5);border-color:#fed7aa}._pc-result-icon{width:48px;height:48px;color:var(--pc-primary);background:#ea580c1a;border-radius:50%;justify-content:center;align-items:center;margin:0 auto .75rem;display:flex}._pc-result-value{color:var(--pc-primary);font-size:2.5rem;font-weight:700;line-height:1.1;font-family:var(--main-font-mono)}._pc-result-unit{color:var(--pc-text-secondary);margin-top:.25rem;font-size:.875rem}._pc-result-label{color:var(--pc-text-muted);margin-top:.375rem;font-size:.8125rem}._pc-result-details{background:var(--pc-bg);border-radius:var(--pc-radius-lg);border-style:solid;border-width:1px;border-color:var(--pc-border);box-shadow:var(--pc-shadow);padding:.875rem 1rem}._pc-detail-header{text-transform:uppercase;letter-spacing:.05em;color:var(--pc-primary);margin-bottom:.375rem;font-size:.6875rem;font-weight:600}._pc-detail-row{justify-content:space-between;align-items:center;padding:.4375rem 0;display:flex}._pc-detail-row+._pc-detail-row{border-top-style:solid;border-top-width:1px;border-top-color:var(--pc-border)}._pc-detail-row--highlight{background:var(--pc-primary-bg);border-radius:var(--pc-radius);margin:.25rem -.5rem;padding:.5rem;border-top:none!important}._pc-detail-row--highlight+._pc-detail-row{border-top:none}._pc-detail-label{color:var(--pc-text-secondary);font-size:.8125rem}._pc-detail-value{color:var(--pc-text);font-size:.8125rem;font-weight:600;font-family:var(--main-font-mono)}._pc-detail-row--highlight ._pc-detail-label{color:var(--pc-text);font-weight:600}._pc-detail-row--highlight ._pc-detail-value{color:var(--pc-primary);font-size:.875rem}._pc-can-suggestion{background:var(--pc-bg);border-radius:var(--pc-radius-lg);border-style:solid;border-width:1px;border-color:var(--pc-border);box-shadow:var(--pc-shadow);padding:.875rem 1rem}._pc-suggestion-title{color:var(--pc-text);margin:0 0 .625rem;font-size:.8125rem;font-weight:600}._pc-suggestion-items{flex-direction:column;gap:.375rem;min-height:24px;display:flex}._pc-suggestion-item{background:var(--pc-bg-secondary);border-radius:var(--pc-radius);justify-content:space-between;align-items:center;padding:.375rem .5rem;font-size:.8125rem;display:flex}._pc-suggestion-item-name{color:var(--pc-text);font-weight:500}._pc-suggestion-item-count{color:var(--pc-primary);font-weight:600;font-family:var(--main-font-mono)}._pc-cost-result{background:var(--pc-bg);border-radius:var(--pc-radius-lg);border-style:solid;border-width:1px;border-color:var(--pc-border);box-shadow:var(--pc-shadow);padding:.75rem 1rem}._pc-actions{gap:.5rem;display:flex}._pc-export-btn{border-style:solid;border-width:1px;border-color:var(--pc-border);border-radius:var(--pc-radius);background:var(--pc-bg);color:var(--pc-text-secondary);cursor:pointer;flex:1;justify-content:center;align-items:center;gap:.375rem;padding:.5rem;font-size:.8125rem;transition:border-color .15s,color .15s;display:flex}._pc-export-btn:hover{border-color:var(--pc-primary);color:var(--pc-primary)}._pc-export-icon{align-items:center;display:flex}._pc-reset-btn{border-style:solid;border-width:1px;border-color:var(--pc-border);border-radius:var(--pc-radius);background:var(--pc-bg);color:var(--pc-text-muted);cursor:pointer;flex:1;justify-content:center;align-items:center;gap:.375rem;padding:.5rem;font-size:.8125rem;transition:border-color .15s,color .15s;display:flex}._pc-reset-btn:hover{color:#ef4444;border-color:#ef4444}._pc-reset-icon{align-items:center;display:flex}._pc-diagram-card{background:var(--pc-bg);border-radius:var(--pc-radius-lg);border-style:solid;border-width:1px;border-color:var(--pc-border);box-shadow:var(--pc-shadow);justify-content:center;align-items:center;min-height:180px;padding:.75rem;display:flex}._pc-diagram-svg{width:100%;height:auto;max-height:200px}._pc-diagram-wall{stroke:none}._pc-diagram-wall--right{fill:var(--pc-primary);opacity:.2}._pc-diagram-wall--left{fill:var(--pc-primary);opacity:.3}._pc-diagram-wall--back-right{fill:var(--pc-primary);opacity:.12}._pc-diagram-wall--back-left,._pc-diagram-ceiling{fill:var(--pc-primary);opacity:.15}._pc-diagram-floor{fill:var(--pc-text-muted);opacity:.06}._pc-diagram-edge{stroke:var(--pc-text);stroke-width:1.5px;fill:none;opacity:.25}._pc-diagram-edge--back{stroke-dasharray:4 3;opacity:.12}._pc-diagram-opening{fill:var(--pc-bg);stroke:var(--pc-text);stroke-width:.75px;opacity:.7}._pc-diagram-label{fill:var(--pc-text-secondary);font-size:10px;font-weight:600;font-family:var(--main-font-mono)}._pc-diagram-dim-line{stroke:var(--pc-text-muted);stroke-width:.75px;stroke-dasharray:2 2;opacity:.4}._pc-diagram-placeholder{fill:var(--pc-text-muted);font-size:12px}body.dark-mode ._pc-diagram-opening{fill:var(--pc-bg-secondary)}