:root{--green: #86C62E;--green-dark: #6aA024;--dark: #0a0a0a;--surface: #141414;--surface2: #1e1e1e;--surface3: #2a2a2a;--border: #333;--text: #e8e8e8;--text-muted: #888;--text-dim: #555;--red: #e53935;--orange: #ff9800;--blue: #42a5f5;--yellow: #ffd600;--radius: 6px;--shadow: 0 2px 8px rgba(0,0,0,.4)}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--dark);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:14px;line-height:1.5}button{cursor:pointer;border:none;border-radius:var(--radius);font-size:13px;padding:7px 14px;transition:background .15s;font-family:inherit}button.primary{background:var(--green);color:#fff;font-weight:600}button.primary:hover{background:var(--green-dark)}button.secondary{background:var(--surface3);color:var(--text)}button.secondary:hover{background:#333}button.ghost{background:transparent;color:var(--text-muted)}button.ghost:hover{color:var(--text);background:var(--surface2)}button.danger{background:var(--red);color:#fff}button:disabled{opacity:.45;cursor:not-allowed}input,select,textarea{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-size:13px;padding:6px 10px;width:100%;outline:none;transition:border-color .15s;font-family:inherit}input:focus,select:focus,textarea:focus{border-color:var(--green)}input[type=number]{-moz-appearance:textfield}input[type=number]::-webkit-outer-spin-button,input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.card-header{font-weight:600;font-size:13px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:12px}label{font-size:12px;color:var(--text-muted);display:block;margin-bottom:4px}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--surface)}::-webkit-scrollbar-thumb{background:var(--surface3);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#444}.flex{display:flex}.flex-col{display:flex;flex-direction:column}.gap-8{gap:8px}.gap-12{gap:12px}.gap-16{gap:16px}.mt-8{margin-top:8px}.mt-16{margin-top:16px}.text-muted{color:var(--text-muted)}.text-green{color:var(--green)}.text-red{color:var(--red)}.text-sm{font-size:12px}.font-mono{font-family:JetBrains Mono,Fira Code,monospace}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.loading-screen{display:flex;align-items:center;justify-content:center;height:100vh;background:var(--dark)}.loading-spinner{width:32px;height:32px;border:3px solid var(--surface3);border-top-color:var(--green);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.topbar{height:52px;background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 16px;gap:16px;position:sticky;top:0;z-index:100;flex-shrink:0}.topbar-brand{display:flex;align-items:baseline;gap:8px}.topbar-logo{font-size:18px;font-weight:700;color:var(--green);letter-spacing:-.5px}.topbar-subtitle{font-size:11px;color:var(--text-dim)}.topbar-breadcrumb{flex:1;display:flex;align-items:center;gap:6px;font-size:13px;color:var(--text-muted)}.topbar-breadcrumb .sep{color:var(--text-dim)}.topbar-breadcrumb .quote-name{color:var(--text)}.topbar-actions{display:flex;align-items:center;gap:8px}.icon-btn{display:flex;align-items:center;gap:4px;font-size:12px;padding:5px 10px}.icon-btn.active{color:var(--green);background:#86c62e1a}.user-menu{display:flex;align-items:center;gap:8px;padding-left:8px;border-left:1px solid var(--border)}.user-name{font-size:13px;color:var(--text-muted)}.sidebar{width:240px;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow-y:auto;flex-shrink:0;transition:width .2s}.sidebar.collapsed{width:0;overflow:hidden}.sidebar-section{padding:12px}.sidebar-label{font-size:10px;font-weight:600;color:var(--text-dim);text-transform:uppercase;letter-spacing:1px;padding:8px 12px 4px}.project-item{padding:8px 12px;border-radius:var(--radius);cursor:pointer;font-size:13px;transition:background .1s;border-left:2px solid transparent}.project-item:hover{background:var(--surface2)}.project-item.active{background:#86c62e1a;color:var(--green);border-left-color:var(--green)}.project-item .client{font-size:11px;color:var(--text-muted)}.new-project-btn{margin:8px 12px;width:calc(100% - 24px)}.app-shell{display:flex;flex-direction:column;height:100vh;overflow:hidden}.app-body{display:flex;flex:1;overflow:hidden}.main-content{flex:1;overflow-y:auto;position:relative}.status-badge{display:inline-block;font-size:10px;font-weight:600;padding:2px 7px;border-radius:10px;text-transform:uppercase;letter-spacing:.4px}.status-badge.draft{background:#88888826;color:var(--text-muted)}.status-badge.active{background:#86c62e26;color:var(--green)}.status-badge.review{background:#ff980026;color:var(--orange)}.status-badge.approved{background:#42a5f526;color:var(--blue)}.status-badge.closed{background:#e5393526;color:var(--red)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000a6;display:flex;align-items:center;justify-content:center;z-index:200}.modal{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;width:420px;max-width:calc(100vw - 32px);box-shadow:0 16px 48px #0009}.modal-title{font-size:16px;font-weight:600;margin-bottom:20px}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:20px}.form-group{margin-bottom:14px}.form-row{display:flex;gap:12px}.form-row .form-group{flex:1}.toast-container{position:fixed;bottom:20px;right:20px;z-index:999}.toast{padding:10px 16px;border-radius:var(--radius);font-size:13px;color:#fff;box-shadow:var(--shadow);animation:toast-in .2s ease;max-width:320px}.toast.info{background:var(--surface3);color:var(--text)}.toast.success{background:var(--green-dark)}.toast.error{background:var(--red)}.toast.warning{background:var(--orange);color:#000}@keyframes toast-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.dashboard{padding:24px}.dashboard-header{margin-bottom:24px}.dashboard-header h1{font-size:22px;font-weight:600}.dashboard-header p{color:var(--text-muted);font-size:13px;margin-top:4px}.stats-row{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px;margin-bottom:24px}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px}.stat-card .stat-label{font-size:11px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.stat-card .stat-value{font-size:24px;font-weight:600;margin-top:4px}.stat-card .stat-value.green{color:var(--green)}.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.section-title{font-size:13px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.projects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}.project-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;cursor:pointer;transition:border-color .15s,background .15s}.project-card:hover{border-color:var(--green);background:var(--surface2)}.project-card-name{font-size:14px;font-weight:600;margin-bottom:4px}.project-card-client{font-size:12px;color:var(--text-muted);margin-bottom:10px}.project-card-meta{display:flex;align-items:center;justify-content:space-between;margin-top:10px}.project-card-date{font-size:11px;color:var(--text-dim)}.empty-state{text-align:center;padding:48px 24px;color:var(--text-muted)}.empty-state h3{font-size:15px;margin-bottom:8px;color:var(--text)}.empty-state p{font-size:13px;margin-bottom:20px}.auth-screen{display:flex;align-items:center;justify-content:center;height:100vh;background:var(--dark)}.auth-card{width:380px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:32px;box-shadow:0 8px 32px #00000080}.auth-logo{text-align:center;margin-bottom:24px}.auth-logo .brand{font-size:28px;font-weight:700;color:var(--green);letter-spacing:-1px}.auth-logo .tagline{font-size:12px;color:var(--text-dim);margin-top:2px}.auth-tabs{display:flex;border-bottom:1px solid var(--border);margin-bottom:20px}.auth-tab{flex:1;padding:8px;font-size:13px;font-weight:500;background:transparent;color:var(--text-muted);border-radius:0;border-bottom:2px solid transparent;transition:color .15s,border-color .15s}.auth-tab:hover{color:var(--text)}.auth-tab.active{color:var(--green);border-bottom-color:var(--green)}.auth-error{background:#e539351a;border:1px solid rgba(229,57,53,.3);border-radius:var(--radius);color:var(--red);font-size:12px;padding:8px 12px;margin-bottom:14px}.auth-submit{width:100%;margin-top:6px;padding:10px;font-size:14px}.project-view{display:flex;flex-direction:column;height:100%}.project-header{padding:20px 24px 12px;display:flex;align-items:flex-start;justify-content:space-between;border-bottom:1px solid var(--border)}.project-title{font-size:20px;font-weight:700}.project-client{font-size:13px;color:var(--text-muted);margin-top:2px}.project-meta{display:flex;align-items:center;gap:12px}.status-draft{background:#88888826;color:var(--text-muted)}.status-active{background:#86c62e26;color:var(--green)}.status-in_review,.status-review{background:#42a5f526;color:var(--blue)}.status-approved{background:#86c62e26;color:var(--green)}.status-archived{background:#64646426;color:var(--text-muted)}.status-closed{background:#e5393526;color:var(--red)}.quote-tabs-bar{display:flex;align-items:center;gap:2px;padding:0 24px;border-bottom:1px solid var(--border);background:var(--surface);overflow-x:auto;flex-shrink:0}.quote-tab{padding:10px 16px;border-radius:0;background:transparent;border:none;border-bottom:2px solid transparent;color:var(--text-muted);font-size:13px;display:flex;align-items:center;gap:8px;white-space:nowrap;cursor:pointer}.quote-tab:hover{color:var(--text);background:var(--surface2)}.quote-tab.active{color:var(--text);border-bottom-color:var(--green)}.tab-cost{font-size:11px;color:var(--green);font-weight:600;font-family:monospace}.tab-add-btn{padding:10px 12px;color:var(--text-dim);font-size:13px}.tab-add-form{display:flex;align-items:center;gap:6px;padding:6px 0}.tab-add-form input{width:180px}.quote-editor{display:flex;flex-direction:column;flex:1;overflow:hidden;min-height:0}.quote-editor-toolbar{padding:8px 24px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);background:var(--surface);flex-shrink:0}.quote-editor-body{display:flex;flex:1;overflow:hidden;min-height:0}.section-nav{width:160px;flex-shrink:0;display:flex;flex-direction:column;border-right:1px solid var(--border);overflow-y:auto;padding:8px 6px;background:var(--surface)}.section-nav-group{font-size:10px;color:var(--text-dim);text-transform:uppercase;letter-spacing:.08em;padding:10px 8px 3px}.section-nav-item{text-align:left;padding:7px 10px;border-radius:var(--radius);font-size:12px;color:var(--text-muted);background:transparent;border:none;cursor:pointer;width:100%}.section-nav-item:hover{background:var(--surface2);color:var(--text)}.section-nav-item.active{background:#86c62e1f;color:var(--green);font-weight:500}.section-content{width:400px;flex-shrink:0;overflow-y:auto;padding:20px;border-right:1px solid var(--border);background:var(--surface)}.section-title{font-size:13px;font-weight:600;color:var(--text);margin-bottom:16px;padding-bottom:8px;border-bottom:1px solid var(--border)}.section-fields{display:flex;flex-direction:column;gap:12px}.field{display:flex;flex-direction:column;gap:4px}.field-hint{font-size:11px;color:var(--text-dim);margin-top:2px;line-height:1.4}.info-row{display:flex;justify-content:space-between;align-items:center;padding:6px 0;border-bottom:1px solid var(--border);font-size:13px}.info-row span:last-child{font-weight:600;font-family:monospace}.results-panel{flex:1;overflow-y:auto;padding:16px;background:var(--dark)}.results-summary{display:flex;flex-direction:column;gap:12px}.result-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px}.no-results{display:flex;align-items:center;justify-content:center;height:200px;color:var(--text-muted);font-size:13px}.key-metrics-bar{display:flex;align-items:stretch;border-bottom:1px solid var(--border);background:var(--surface);overflow-x:auto;flex-shrink:0}.metric-item{padding:10px 16px;border-right:1px solid var(--border);min-width:100px}.metric-item.highlight .metric-value{color:var(--green)}.metric-value{font-size:15px;font-weight:700;color:var(--text)}.metric-label{font-size:10px;color:var(--text-muted);margin-top:2px;text-transform:uppercase;letter-spacing:.05em}.component-list{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}.component-item{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);padding:12px}.component-header{display:flex;align-items:center;gap:8px;margin-bottom:4px;justify-content:space-between}.component-badge{font-size:10px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-dim);background:var(--surface3);padding:2px 6px;border-radius:3px}.component-name{font-size:13px;font-weight:600;flex:1}.component-detail{font-size:11px;color:var(--text-muted);margin-top:2px}.component-cost{font-size:13px;font-weight:600;color:var(--green);margin-top:4px}.add-component-btn{width:100%;padding:9px;border:1px dashed var(--border);background:transparent;color:var(--text-dim);border-radius:var(--radius);font-size:12px;cursor:pointer;margin-top:4px}.add-component-btn:hover{border-color:var(--green);color:var(--green);background:#86c62e0a}.component-form{background:var(--surface2);border:1px solid var(--green);border-radius:var(--radius);padding:14px;margin-top:8px;display:flex;flex-direction:column;gap:10px}.component-form-row{display:grid;grid-template-columns:1fr 1fr;gap:8px}.derating-chart{margin:12px 0}.derating-bar-row{display:flex;align-items:center;gap:8px;margin-bottom:4px}.derating-month{width:30px;font-size:11px;color:var(--text-muted);flex-shrink:0}.derating-bar-track{flex:1;height:14px;background:var(--surface3);border-radius:3px;overflow:hidden}.derating-bar-fill{height:100%;border-radius:3px}.derating-pct{width:40px;font-size:11px;color:var(--text-muted);text-align:right;flex-shrink:0}.derating-temp{width:36px;font-size:11px;color:var(--text-dim);text-align:right;flex-shrink:0}.derating-stats{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:16px}.derating-stat{background:var(--surface2);border-radius:var(--radius);padding:10px 12px;text-align:center}.derating-stat-val{font-size:20px;font-weight:700}.derating-stat-lbl{font-size:10px;color:var(--text-muted);margin-top:2px}.temp-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-top:10px}.temp-cell label{font-size:10px;color:var(--text-dim);display:block;margin-bottom:2px;text-align:center}.temp-cell input{text-align:center;padding:4px;font-size:12px}.project-summary{padding:12px 24px;border-bottom:1px solid var(--border);background:var(--surface);flex-shrink:0}.summary-label{font-size:10px;font-weight:600;color:var(--text-dim);text-transform:uppercase;letter-spacing:.08em;margin-bottom:8px}.summary-grid{display:flex;gap:10px;overflow-x:auto;padding-bottom:4px}.summary-quote-card{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);padding:12px 14px;cursor:pointer;flex-shrink:0;min-width:160px;transition:border-color .15s}.summary-quote-card:hover{border-color:var(--green)}.summary-quote-card.active{border-color:var(--green);background:#86c62e0d}.summary-qname{font-size:12px;font-weight:600;margin-bottom:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:160px}.summary-metric{display:flex;justify-content:space-between;gap:8px;font-size:11px;margin-bottom:3px}.summary-metric-lbl{color:var(--text-muted)}.summary-metric-val{font-weight:600}.summary-metric-val.green{color:var(--green)}.power-flow{display:flex;flex-direction:column;gap:6px;margin:10px 0}.power-flow-row{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;background:var(--surface2);border-radius:var(--radius);border-left:3px solid transparent}.power-flow-row.highlight{border-left-color:var(--green)}.power-flow-row.secondary{border-left-color:var(--blue)}.power-flow-row.warning{border-left-color:var(--orange)}.power-flow-label{font-size:12px;color:var(--text-muted)}.power-flow-value{font-size:13px;font-weight:600}.sizing-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:8px}.sizing-stat{text-align:center;padding:8px;background:var(--surface2);border-radius:var(--radius)}.sizing-value{font-size:20px;font-weight:700;color:var(--green);font-family:monospace}.sizing-label{font-size:11px;color:var(--text-muted);margin-top:2px}.cost-table{width:100%;border-collapse:collapse;font-size:13px}.cost-table td{padding:5px 0;border-bottom:1px solid var(--border);vertical-align:middle}.cost-value{text-align:right;font-family:monospace;font-size:12px;padding-right:8px}.cost-pct{text-align:right;color:var(--text-muted);font-size:11px;width:46px}.total-row td{padding-top:10px;border-bottom:none}.emissions-grid{display:flex;flex-direction:column;gap:10px}.emission-item{display:grid;grid-template-columns:44px 1fr 130px;align-items:center;gap:8px}.emission-label{font-size:12px;font-weight:600}.emission-bar-wrap{height:6px;background:var(--surface3);border-radius:3px;overflow:hidden}.emission-bar{height:100%;border-radius:3px;transition:width .3s ease}.emission-value{font-size:11px;font-family:monospace;text-align:right}.omm-stats{display:flex;flex-direction:column}.donut-chart-wrap{display:flex;align-items:flex-start;gap:16px}.donut-legend{display:flex;flex-direction:column;gap:5px;flex:1;min-width:0}.legend-item{display:flex;align-items:center;gap:6px;font-size:11px;min-width:0}.legend-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.legend-label{flex:1;color:var(--text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.legend-pct{color:var(--text);font-weight:600;flex-shrink:0}.ai-panel{position:fixed;right:0;top:0;bottom:0;width:400px;background:var(--surface);border-left:1px solid var(--border);display:flex;flex-direction:column;z-index:200;box-shadow:-4px 0 20px #0006}.ai-panel-header{padding:14px 16px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:14px;color:var(--green);flex-shrink:0}.ai-messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:16px}.ai-welcome{text-align:center;padding:24px 8px}.ai-welcome-icon{font-size:32px;color:var(--green);margin-bottom:12px}.ai-welcome-title{font-size:18px;font-weight:700;color:var(--green);margin-bottom:8px}.ai-welcome-sub{color:var(--text-muted);font-size:13px;margin-bottom:20px;line-height:1.5}.quick-prompts{display:flex;flex-direction:column;gap:8px;text-align:left}.quick-prompt{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);padding:10px 12px;font-size:12px;text-align:left;color:var(--text);cursor:pointer;transition:border-color .15s,background .15s}.quick-prompt:hover{background:var(--surface3);border-color:var(--green)}.ai-message{display:flex;gap:10px}.ai-message.user{flex-direction:row-reverse}.ai-avatar{width:28px;height:28px;border-radius:50%;background:#86c62e26;color:var(--green);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex-shrink:0}.ai-bubble{background:var(--surface2);border-radius:var(--radius);padding:10px 12px;font-size:13px;line-height:1.6;max-width:85%;word-break:break-word}.ai-message.user .ai-bubble{background:#86c62e1a;border:1px solid rgba(134,198,46,.3)}.ai-message.error .ai-bubble{background:#e539351a;border:1px solid var(--red)}.ai-bubble code{background:var(--surface3);padding:1px 4px;border-radius:3px;font-family:monospace;font-size:12px}.cursor{animation:blink 1s step-end infinite}@keyframes blink{50%{opacity:0}}.ai-input-bar{padding:12px;border-top:1px solid var(--border);display:flex;gap:8px;align-items:center;flex-shrink:0}.ai-input-bar input{flex:1}.stop-btn{background:transparent;border:1px solid var(--red);color:var(--red);border-radius:var(--radius);padding:6px 10px;font-size:12px;flex-shrink:0}