@import "https://fonts.googleapis.com/css2?family=Geist:wght@300;400;500;600;700&family=Geist+Mono:wght@400;500&display=swap";.viewport-gate{z-index:var(--z-modal);padding:var(--space-6);background:var(--bg-base);place-items:center;display:grid;position:fixed;inset:0}.viewport-gate-card{text-align:center;gap:var(--space-3);max-width:42ch;display:grid}.viewport-gate-card h2{color:var(--text-primary);font-size:var(--text-xl);margin:0}.viewport-gate-card p{color:var(--text-secondary);font-size:var(--text-base);margin:0;line-height:1.55}.viewport-gate-hint{color:var(--text-tertiary);font-size:var(--text-sm)}.settings-backdrop{z-index:var(--z-modal);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);animation:settings-backdrop-fade var(--transition-base) ease;background:#20283c73;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}@keyframes settings-backdrop-fade{0%{opacity:0}to{opacity:1}}.settings-panel{border-radius:var(--radius-lg);border:1px solid var(--border-default);background:var(--bg-surface);width:min(560px,100vw - 32px);max-height:calc(100vh - 48px);box-shadow:var(--shadow-xl);animation:settings-panel-pop var(--transition-spring) ease;flex-direction:column;display:flex}@keyframes settings-panel-pop{0%{opacity:0;transform:translateY(8px)scale(.97)}to{opacity:1;transform:translateY(0)scale(1)}}.settings-header{padding:var(--space-4) var(--space-5);border-bottom:1px solid var(--border-subtle);justify-content:space-between;align-items:center;display:flex}.settings-header h2{font-size:var(--text-lg);font-weight:var(--weight-semibold)}.settings-header-actions{gap:var(--space-2);display:flex}.icon-btn.settings-reset,.settings-reset{font-size:var(--text-xs);align-items:center;gap:6px;display:inline-flex;width:auto!important;color:var(--text-secondary)!important;padding:4px 10px!important}.settings-reset:hover{border-color:var(--accent-primary);color:var(--accent-primary)!important}.settings-body{padding:var(--space-5);gap:var(--space-6);flex-direction:column;flex:1;display:flex;overflow-y:auto}.settings-section h3{font-size:var(--text-sm);text-transform:uppercase;letter-spacing:.05em;color:var(--text-tertiary);font-weight:var(--weight-semibold);margin-bottom:var(--space-2);padding-bottom:var(--space-1);border-bottom:1px solid var(--border-subtle)}.settings-help{font-size:var(--text-xs);color:var(--text-tertiary);margin-bottom:var(--space-3);line-height:1.5}.settings-row{align-items:center;gap:var(--space-3);padding:var(--space-2) 0;grid-template-columns:1fr 120px;display:grid}.settings-row.compact{grid-template-columns:1fr 100px;padding:4px 0}.settings-row-label{flex-direction:column;gap:2px;display:flex}.settings-row-label>span:first-child{font-size:var(--text-sm);color:var(--text-primary)}.settings-row-hint{font-size:var(--text-xs);color:var(--text-tertiary)}.settings-input{font-family:var(--font-mono);font-size:var(--text-sm);border-radius:var(--radius-sm);background:var(--bg-elevated);border:1px solid var(--border-default);color:var(--text-primary);text-align:right;transition:border-color var(--transition-fast);padding:6px 10px}.settings-input:focus{border-color:var(--accent-primary);outline:none}.settings-input::-webkit-outer-spin-button{opacity:.5;margin:0}.settings-input::-webkit-inner-spin-button{opacity:.5;margin:0}.utility-grid{flex-direction:column;gap:0;display:flex}.utility-grid .settings-row+.settings-row{border-top:1px dashed var(--border-subtle)}.settings-legal-links{gap:var(--space-2);flex-wrap:wrap;display:flex}.settings-legal-btn{border:1px solid var(--border-default);color:var(--text-secondary);font-size:var(--text-base);padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);cursor:pointer;background:0 0}.settings-legal-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.top-toolbar{height:var(--toolbar-height);z-index:var(--z-toolbar);border-bottom:1px solid var(--border-strong);justify-content:space-between;align-items:center;gap:var(--space-2);padding:0 var(--space-4);display:flex;position:absolute;top:0;left:0;right:0;box-shadow:0 1px 3px #262f4012}.toolbar-left,.toolbar-center,.toolbar-right{align-items:center;gap:var(--space-2);display:flex}.toolbar-left{gap:0}.toolbar-center{flex:1;justify-content:flex-start;min-width:0}@media (width>=1400px){.top-toolbar{gap:var(--space-6)}}.brand{align-items:center;display:flex}.brand-logo{border-radius:var(--radius-sm);background:#fff;width:auto;height:34px;padding:2px 5px;display:block}.divider{background:var(--border-strong);width:1px;height:24px;margin:0 var(--space-2)}.project-name,.project-name-input{font-family:var(--font-sans);font-size:var(--text-sm);border-radius:var(--radius-sm);background:0 0;border:1px solid #0000;max-width:240px;padding:4px 8px}.project-name{color:var(--text-secondary);cursor:pointer;transition:background var(--transition-fast), color var(--transition-fast);text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.project-name:hover{background:var(--bg-hover);color:var(--text-primary)}.project-name-input{color:var(--text-primary);background:var(--bg-surface);border-color:var(--accent-primary);outline:none;width:200px}.layer-tabs{background:var(--bg-base);border-radius:var(--radius-md);border:1px solid var(--border-default);scrollbar-width:none;min-width:0;padding:2px;display:flex;overflow-x:auto}.layer-tabs::-webkit-scrollbar{display:none}.layer-tabs.can-scroll-right{-webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 22px),#0000 100%);mask-image:linear-gradient(90deg,#000 calc(100% - 22px),#0000 100%)}.layer-tabs.can-scroll-left{-webkit-mask-image:linear-gradient(90deg,#0000 0,#000 22px);mask-image:linear-gradient(90deg,#0000 0,#000 22px)}.layer-tabs.can-scroll-left.can-scroll-right{-webkit-mask-image:linear-gradient(90deg,#0000 0,#000 22px calc(100% - 22px),#0000 100%);mask-image:linear-gradient(90deg,#0000 0,#000 22px calc(100% - 22px),#0000 100%)}.layer-tab{border-radius:var(--radius-sm);font-size:var(--text-sm);font-weight:var(--weight-medium);color:var(--text-secondary);transition:all var(--transition-fast);flex-shrink:0;padding:6px 12px}@media (width<=1340px){.layer-tab{padding:6px 8px}}.layer-tab:hover:not(.disabled){color:var(--text-primary);background:var(--bg-hover)}.layer-tab.active{background:var(--bg-surface);color:var(--accent-primary);font-weight:var(--weight-semibold);box-shadow:var(--shadow-sm);border:1px solid var(--border-default)}.layer-tab.disabled{opacity:.5;cursor:not-allowed}.pkg-select{background:var(--bg-surface);color:var(--text-primary);border:1px solid var(--border-default);border-radius:var(--radius-sm);font-size:var(--text-xs);font-family:var(--font-sans);cursor:pointer;transition:border-color var(--transition-fast);padding:4px 8px}.pkg-select:hover{border-color:var(--border-strong)}.pkg-select:focus{border-color:var(--accent-primary);outline:none}.solve-btn{border-radius:var(--radius-sm);background:var(--accent-primary);color:#fff;font-size:var(--text-xs);font-weight:var(--weight-semibold);cursor:pointer;transition:background var(--transition-fast), box-shadow var(--transition-fast);border:none;align-items:center;gap:6px;padding:5px 12px;display:inline-flex}.solve-btn:hover:not(:disabled){background:var(--accent-primary-hover,var(--accent-primary));box-shadow:var(--shadow-sm)}.solve-btn:disabled{opacity:.6;cursor:not-allowed}.solve-status{border-radius:var(--radius-sm);background:var(--bg-surface);border:1px solid var(--border-default);font-size:var(--text-xs);font-family:var(--font-mono);color:var(--text-secondary);align-items:center;gap:5px;padding:4px 8px;display:inline-flex}.solve-status.success{color:var(--color-success,#4ade80);border-color:#4ade804d}.solve-status.partial{color:var(--color-warning,#fbbf24);border-color:#fbbf244d}.solve-status.error{color:var(--color-error,#f87171);border-color:#f871714d}.status-icon.ok{color:var(--color-success,#4ade80)}.status-icon.warn{color:var(--color-warning,#fbbf24)}.status-icon.err{color:var(--color-error,#f87171)}.status-icon.spinning{animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.properties-panel{right:var(--space-3);top:calc(var(--content-top) + var(--space-3));bottom:var(--space-3);width:var(--properties-width);z-index:var(--z-panel);background:var(--bg-surface);border:1px solid var(--border-default);border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);transform:translateX(calc(100% + var(--space-6)));transition:transform var(--transition-spring);flex-direction:column;display:flex;position:absolute;overflow:hidden}.properties-panel.open{transform:translate(0)}.inspector-header{padding:var(--space-3) var(--space-4) var(--space-4);border-bottom:1px solid var(--border-subtle)}.inspector-eyebrow{margin-bottom:var(--space-3);justify-content:space-between;align-items:center;display:flex}.inspector-eyebrow-label{font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.08em;font-weight:var(--weight-semibold);color:var(--text-tertiary)}.inspector-identity{align-items:center;gap:var(--space-3);display:flex}.inspector-identity-icon{border-radius:var(--radius-md);background:var(--accent-primary-dim);border:1px solid var(--border-subtle);width:40px;height:40px;color:var(--accent-primary);flex-shrink:0;justify-content:center;align-items:center;display:flex}.inspector-identity-text{min-width:0}.inspector-title{font-size:var(--text-lg);font-weight:var(--weight-semibold);color:var(--text-primary);text-overflow:ellipsis;white-space:nowrap;line-height:1.2;overflow:hidden}.inspector-subtitle{font-size:var(--text-xs);color:var(--text-tertiary);text-overflow:ellipsis;white-space:nowrap;margin-top:2px;overflow:hidden}.header-actions{gap:var(--space-1);flex-shrink:0;display:flex}.inspector-tabs{padding:0 var(--space-3);border-bottom:1px solid var(--border-subtle);display:flex}.inspector-tab{font-size:var(--text-sm);font-weight:var(--weight-medium);color:var(--text-tertiary);cursor:pointer;transition:all var(--transition-fast);background:0 0;border:none;border-bottom:2px solid #0000;flex:1;justify-content:center;align-items:center;gap:5px;margin-bottom:-1px;padding:8px 4px;display:inline-flex}.inspector-tab:hover{color:var(--text-secondary);background:var(--bg-hover)}.inspector-tab.active{color:var(--accent-primary);border-bottom-color:var(--accent-primary)}.inspector-tab-label{white-space:nowrap}.stat-grid{gap:var(--space-3);margin-bottom:var(--space-4);flex-direction:column;display:flex}.stat-card{background:var(--bg-overlay);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:var(--space-3) var(--space-4)}.stat-card-label{font-size:var(--text-xs);font-weight:var(--weight-medium);color:var(--text-secondary);margin-bottom:2px}.stat-card-value{font-size:var(--text-2xl);font-weight:var(--weight-semibold);color:var(--text-primary);font-family:var(--font-mono);line-height:1.2}.stat-card-unit{font-size:var(--text-md);font-weight:var(--weight-medium);color:var(--text-secondary);margin-left:5px}.stat-card-sub{font-size:var(--text-xs);color:var(--text-tertiary);margin-top:2px}.stat-row{gap:var(--space-2);margin-bottom:var(--space-4);grid-template-columns:repeat(3,1fr);display:grid}.stat-mini{background:var(--bg-overlay);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:var(--space-2) var(--space-3);min-width:0}.stat-mini-value{font-size:var(--text-md);font-weight:var(--weight-semibold);font-family:var(--font-mono);color:var(--text-primary);white-space:nowrap}.stat-mini .stat-card-unit{font-size:var(--text-xs);margin-left:3px}.insp-bars{flex-direction:column;gap:6px;display:flex}.insp-bar-row{align-items:center;gap:var(--space-2);font-size:var(--text-xs);grid-template-columns:88px 1fr 52px;display:grid}.insp-bar-name{color:var(--text-secondary);text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.insp-bar-track{border-radius:var(--radius-full);background:var(--bg-active);height:8px;overflow:hidden}.insp-bar-fill{border-radius:var(--radius-full);background:var(--accent-primary);min-width:2px;height:100%}.insp-bar-pct{text-align:right;font-family:var(--font-mono);color:var(--text-primary)}.inspector-empty{color:var(--text-tertiary);font-size:var(--text-sm);text-align:center;padding:var(--space-4) var(--space-3);font-style:italic;line-height:1.5}.delete-btn{color:var(--color-error)!important}.delete-btn:hover{background:#e236361a!important}.properties-content{padding:var(--space-4);flex:1;overflow-y:auto}.empty-state{height:100%;color:var(--text-tertiary);text-align:center;font-size:var(--text-sm);padding:var(--space-4);justify-content:center;align-items:center;display:flex}.properties-form{gap:var(--space-6);flex-direction:column;display:flex}.properties-section h4{font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.06em;font-weight:var(--weight-semibold);color:var(--text-tertiary);margin-bottom:var(--space-2)}.property-field{justify-content:space-between;align-items:center;gap:var(--space-3);flex-wrap:wrap;min-height:30px;padding:2px 0;display:flex}.property-field>p{text-align:left;flex:1 0 100%;margin-top:2px}.property-label{font-size:var(--text-base);color:var(--text-secondary);flex-shrink:0}.property-input-wrapper{flex:1 1 0;justify-content:flex-end;align-items:center;gap:6px;min-width:0;display:flex}.property-input,.property-select{width:100%;font-family:var(--font-mono);font-size:var(--text-base)}.property-field .property-input{text-align:right;border-radius:var(--radius-sm);width:100%;min-width:0;color:var(--text-primary);font-weight:var(--weight-medium);background:0 0;border:1px solid #0000;flex:auto;padding:3px 6px}.property-field .property-input:hover{border-color:var(--border-default);background:var(--bg-base)}.property-field .property-input:focus{border-color:var(--accent-primary);background:var(--bg-surface);box-shadow:0 0 0 2px var(--accent-primary-glow)}.property-field .property-select{appearance:none;text-align:right;text-align-last:right;width:100%;min-width:0;color:var(--text-primary);font-weight:var(--weight-medium);border-radius:var(--radius-sm);cursor:pointer;background-color:#0000;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23808a99' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-position:right 5px center;background-repeat:no-repeat;background-size:11px;border:1px solid #0000;flex:auto;padding:3px 20px 3px 6px}.property-field .property-select:hover{border-color:var(--border-default);background-color:var(--bg-base)}.property-field .property-select:focus{border-color:var(--accent-primary);background-color:var(--bg-surface);box-shadow:0 0 0 2px var(--accent-primary-glow)}.property-unit{font-size:var(--text-xs);color:var(--text-tertiary);pointer-events:none;flex-shrink:0}.composition-table{border-collapse:collapse;width:100%;font-size:var(--text-xs)}.composition-table td{border-bottom:1px solid var(--border-subtle);color:var(--text-secondary);padding:4px 6px}.composition-table tr:last-child td{border-bottom:none}.composition-empty{font-size:var(--text-xs);color:var(--text-tertiary);margin-bottom:var(--space-2);font-style:italic}.composition-editor{border-collapse:collapse;width:100%;margin-bottom:var(--space-2)}.composition-editor td{vertical-align:middle;padding:3px 0}.composition-name{font-size:var(--text-xs);color:var(--text-secondary);text-overflow:ellipsis;white-space:nowrap;max-width:140px;overflow:hidden;padding-right:6px!important}.port-ref{font-family:var(--font-mono);font-weight:var(--weight-semibold);color:var(--text-primary)}.port-target{color:var(--text-secondary)}.port-unconnected{color:var(--text-tertiary);font-style:italic}.composition-input-cell{width:70px}.charge-mode-toggle{margin-bottom:var(--space-2);background:var(--bg-base);border:1px solid var(--border-subtle);border-radius:var(--radius-md);gap:2px;padding:2px;display:flex}.charge-mode-btn{font-size:var(--text-xs);font-weight:var(--weight-medium);color:var(--text-tertiary);border-radius:var(--radius-sm);cursor:pointer;transition:color var(--transition-fast), background var(--transition-fast);background:0 0;border:none;flex:1;padding:4px 8px}.charge-mode-btn:hover{color:var(--text-secondary)}.charge-mode-btn.active{color:var(--text-primary);background:var(--bg-elevated);box-shadow:var(--shadow-sm)}.charge-basis-editor{border-collapse:collapse;width:100%;margin-bottom:var(--space-2)}.charge-basis-editor td{vertical-align:middle;padding:3px 0}.charge-row-sub{font-family:var(--font-mono);color:var(--text-tertiary);white-space:nowrap;font-size:10px;display:block}.charge-amount-cell{width:62px}.charge-unit-cell{width:54px;padding-left:4px!important}.charge-unit-select{width:100%;font-size:var(--text-xs);padding:3px 4px}.charge-summary{padding:var(--space-2);margin-bottom:var(--space-2);background:var(--bg-base);border:1px solid var(--border-subtle);border-radius:var(--radius-md)}.charge-summary-row{justify-content:space-between;gap:var(--space-2);font-size:var(--text-xs);color:var(--text-secondary);line-height:1.7;display:flex}.charge-summary-row.subtle{color:var(--text-tertiary)}.charge-summary-value{font-family:var(--font-mono);color:var(--text-primary)}.charge-summary-value.over{color:var(--color-error)}.charge-fill-track{background:var(--bg-surface);border-radius:var(--radius-full);height:4px;margin-top:6px;overflow:hidden}.charge-fill-bar{background:var(--accent-primary);border-radius:var(--radius-full);height:100%;transition:width var(--transition-base)}.charge-fill-bar.over{background:var(--color-error)}.charge-warning{margin:0 0 var(--space-2) 0;font-size:var(--text-xs);color:var(--color-warning);align-items:flex-start;gap:5px;line-height:1.45;display:flex}.charge-warning svg{flex-shrink:0;margin-top:2px}.charge-role{margin:0 0 var(--space-2) 0;font-size:var(--text-xs);border-radius:0 var(--radius-sm) var(--radius-sm) 0;border-left:2px solid;padding:5px 8px;line-height:1.45}.charge-role.source{color:var(--text-secondary);border-left-color:var(--accent-primary);background:var(--bg-base)}.charge-role.buffer{color:var(--text-tertiary);border-left-color:var(--border-strong);background:var(--bg-base)}.composition-input{text-align:right;width:100%;font-size:var(--text-xs);padding:3px 6px!important}.composition-remove-cell{text-align:right;width:24px}.composition-remove{color:var(--text-tertiary)!important;padding:2px!important}.composition-remove:hover{color:var(--color-error)!important;background:#e236361a!important}.composition-sum{align-items:center;gap:var(--space-2);border-radius:var(--radius-sm);font-size:var(--text-xs);font-family:var(--font-mono);margin-bottom:var(--space-2);padding:4px 8px;display:flex}.composition-sum.ok{color:var(--color-success,#4ade80);background:#22c3581a}.composition-sum.warn{color:var(--color-warning,#fbbf24);background:#f2a60d1a}.composition-sum-label{opacity:.7}.composition-sum-value{flex:1}.normalize-btn{font-size:var(--text-xs);border-radius:var(--radius-sm);background:var(--bg-surface);border:1px solid var(--border-default);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);padding:2px 8px}.normalize-btn:hover{border-color:var(--accent-primary);color:var(--accent-primary)}.composition-add{margin-top:var(--space-2)}.add-component-btn{border-radius:var(--radius-sm);background:var(--bg-surface);border:1px dashed var(--border-default);color:var(--text-secondary);font-size:var(--text-xs);cursor:pointer;transition:all var(--transition-fast);align-items:center;gap:4px;padding:4px 10px;display:inline-flex}.add-component-btn:hover{border-style:solid;border-color:var(--accent-primary);color:var(--accent-primary)}.component-picker{border:1px solid var(--border-default);border-radius:var(--radius-md);background:var(--bg-surface);overflow:hidden}.component-search-row{border-bottom:1px solid var(--border-subtle);align-items:center;gap:6px;padding:6px 8px;display:flex}.component-search-icon{color:var(--text-tertiary);flex-shrink:0}.component-search{font-size:var(--text-sm);flex:1;background:0 0!important;border:none!important;padding:2px 0!important}.component-search:focus{outline:none;box-shadow:none!important}.component-results{max-height:220px;margin:0;padding:0;list-style:none;overflow-y:auto}.component-result{justify-content:space-between;align-items:baseline;gap:var(--space-2);text-align:left;cursor:pointer;width:100%;color:var(--text-primary);font-size:var(--text-sm);transition:background var(--transition-fast);background:0 0;border:none;padding:5px 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