:root{font-family:Inter,"Segoe UI",Arial,sans-serif;color:#243348;background:#f4f6fa;font-synthesis:none;--blue:#2463d4;--blue-soft:#edf4ff;--line:#e0e6ef;--muted:#687991;--green:#16856b;--red:#b42e37;--shadow:0 6px 24px #1a315c08}
*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit;color:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button,a{cursor:pointer}button:disabled{opacity:.5;cursor:default}a{color:var(--blue);text-decoration:none}button{border:1px solid var(--line);border-radius:7px;background:white;padding:9px 13px;display:inline-flex;align-items:center;justify-content:center;gap:7px;font-size:13px;font-weight:500;min-height:36px}button:hover{background:#f0f4fa}button.primary{color:white;background:var(--blue);border-color:var(--blue)}button.primary:hover{background:#1e54b7}button.ghost{border-color:transparent;background:transparent}button.danger{color:var(--red)}button.icon{padding:8px;min-width:35px}button:focus-visible,a:focus-visible{outline:3px solid #89b2ff;outline-offset:2px}input,select,textarea{width:100%;min-width:0;padding:10px 12px;border:1px solid #d9e1ec;border-radius:7px;background:white;font-size:14px;min-height:40px}input:focus,select:focus,textarea:focus{outline:2px solid #91b8ff;outline-offset:1px;border-color:var(--blue)}input[type=checkbox]{width:16px;min-height:16px;accent-color:var(--blue)}textarea{resize:vertical;min-height:85px}h1,h2,h3,p{margin:0}h1{font-size:26px;line-height:1.25;font-weight:650;letter-spacing:-.025em}h2{font-size:19px;line-height:1.3;font-weight:600}h3{font-size:15px;font-weight:600}small,.small{font-size:12px;color:var(--muted)}.muted{color:var(--muted)}.icon-svg{width:17px;height:17px;flex-shrink:0;stroke:currentColor;stroke-width:1.7;fill:none;stroke-linecap:round;stroke-linejoin:round}.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;letter-spacing:.04em;white-space:nowrap}.brand-mark{background:var(--blue);color:white;width:34px;height:38px;border-radius:9px;display:grid;place-items:center}.brand small{display:block;font-size:10px;letter-spacing:.1em;font-weight:500;margin-top:1px}.app-header{min-height:74px;background:white;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:32px;padding:14px 32px}.nav{display:flex;gap:6px;margin-left:24px}.nav button{border:0;color:var(--muted)}.nav button.active{background:var(--blue-soft);color:var(--blue)}.user-menu{display:flex;align-items:center;gap:9px;margin-left:auto}.avatar{width:32px;height:32px;display:grid;place-items:center;border-radius:50%;background:#e9eff9;color:#365581;font-weight:600;font-size:12px}.user-name{max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.page{max-width:1280px;margin:0 auto;padding:38px 32px 50px}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:26px}.page-heading p{color:var(--muted);font-size:14px;margin-top:8px}.toolbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.page-tabs{display:flex;gap:5px;margin-bottom:22px}.page-tabs button{border:0;background:transparent;color:var(--muted)}.page-tabs button.active{background:#e7eefb;color:var(--blue)}.project-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px}.project-card{background:white;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);overflow:hidden}.project-main{display:block;width:100%;text-align:left;border:0;border-radius:0;padding:22px;background:white}.project-icon{width:38px;height:38px;background:var(--blue-soft);color:var(--blue);border-radius:9px;display:grid;place-items:center;margin-bottom:18px}.project-main h3{font-size:17px;overflow-wrap:anywhere}.project-main p{color:var(--muted);font-size:13px;margin-top:8px;line-height:1.6;min-height:41px;overflow-wrap:anywhere}.project-numbers{display:flex;gap:24px;margin-top:24px}.project-numbers b{font-size:19px;font-weight:600;display:block;font-variant-numeric:tabular-nums}.project-numbers small{font-size:11px;display:block;margin-top:3px}.project-footer{display:flex;justify-content:space-between;align-items:center;padding:10px 16px;border-top:1px solid #edf0f5;gap:8px}.project-footer small{font-size:11px}.empty{border:1px dashed #cbd5e3;border-radius:12px;background:#ffffff70;text-align:center;padding:65px 24px;color:var(--muted)}.empty .icon-svg{width:36px;height:36px;margin-bottom:14px;color:#869abd}.empty h2{color:#324660;margin-bottom:10px}.empty p{font-size:14px;line-height:1.6;max-width:440px;margin:0 auto 22px}.empty.compact{border:0;background:transparent;padding:50px 24px}.auth-shell{min-height:100vh;display:grid;grid-template-columns:1fr 1fr}.auth-aside{background:#182c4e;color:#f1f5fc;padding:52px 12%;display:flex;flex-direction:column;justify-content:space-between;min-height:640px;position:relative;overflow:hidden}.auth-aside .brand small{color:#a4b8d7}.auth-aside h1{font-size:38px;line-height:1.22;font-weight:600;max-width:440px;letter-spacing:-.03em}.auth-aside p{font-size:15px;line-height:1.8;color:#b5c5dd;margin-top:20px;max-width:420px}.auth-line{margin-top:40px;border-left:1px solid #536c91;padding-left:22px;display:grid;gap:16px;font-size:13px;color:#c3d2e6}.auth-aside>small{color:#8ea5c6;margin-top:50px}.auth-content{display:flex;align-items:center;justify-content:center;padding:32px;background:white}.auth-card{width:360px;max-width:100%}.auth-card h2{font-size:25px}.auth-card>p{margin-top:10px;margin-bottom:28px;color:var(--muted);font-size:14px;line-height:1.65}.form-stack{display:grid;gap:17px}.field{display:flex;flex-direction:column;gap:7px;font-size:12px;color:#5e7088;font-weight:500;min-width:0}.field small{font-size:11px;line-height:1.45;font-weight:400}.field.wide{grid-column:1/-1}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.error{padding:11px 13px;border-radius:7px;background:#fff0f0;color:#a62834;font-size:13px;line-height:1.5;overflow-wrap:anywhere}.notice{padding:12px 15px;border-radius:8px;background:#fff8e8;color:#886422;font-size:13px;line-height:1.55}.notice a,.notice button{color:inherit}.success{color:var(--green);font-size:12px}.auth-foot{margin-top:25px;font-size:12px;color:var(--muted);line-height:1.6}.loading{padding:80px;text-align:center;color:var(--muted)}.section-card{padding:25px;background:white;border:1px solid var(--line);border-radius:12px;margin-bottom:20px;max-width:760px}.section-card h2{margin-bottom:20px}.section-card .primary{margin-top:18px}.data-table{width:100%;border-collapse:separate;border-spacing:0;background:white;border:1px solid var(--line);border-radius:9px;overflow:hidden;font-size:13px}.data-table th{text-align:left;font-size:12px;color:var(--muted);font-weight:500;background:#f8fafd;padding:13px 14px;border-bottom:1px solid var(--line)}.data-table td{padding:12px 14px;border-bottom:1px solid #edf0f5}.data-table tr:last-child td{border-bottom:0}.pill{padding:4px 7px;background:#edf4ff;color:#3266bd;border-radius:5px;font-size:11px;white-space:nowrap}.pill.off{background:#f0f1f4;color:#77849a}.table-scroll{overflow-x:auto}.workspace-top{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:20px 24px;background:white;border-bottom:1px solid var(--line);flex-wrap:wrap}.project-title{display:flex;align-items:center;gap:11px;min-width:0}.project-title h1{font-size:19px;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.project-title p{font-size:12px;color:var(--muted);margin-top:3px}.workspace-tools{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 24px;border-bottom:1px solid var(--line);background:white;flex-wrap:wrap}.modes{display:flex;gap:3px;background:#f2f5f9;border:1px solid var(--line);padding:4px;border-radius:9px}.modes button{border:0;background:transparent;color:var(--muted);font-size:13px;min-height:32px;padding:7px 13px}.modes button.active{color:var(--blue);background:white;box-shadow:0 1px 4px #1f355015}.calc-status{font-size:12px;display:flex;gap:7px;align-items:center;color:var(--green)}.status-dot{width:6px;height:6px;border-radius:50%;background:currentColor}.calc-status.pending{color:#a97b23}.calc-status.error{background:transparent;padding:0;color:var(--red)}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 5px minmax(0,1fr);align-items:stretch;min-height:calc(100vh - 220px)}.workspace[data-view=sources],.workspace[data-view=scheme]{grid-template-columns:minmax(0,1fr)}.workspace[data-view=sources] .scheme-pane,.workspace[data-view=scheme] .sources-pane,.workspace:not([data-view=split]) .splitter{display:none}.splitter{background:#edf1f7;border-left:1px solid var(--line);border-right:1px solid var(--line)}.sources-pane{background:white;min-width:0}.pane-head{display:flex;justify-content:space-between;align-items:center;padding:20px 17px 12px;gap:10px}.pane-head h2{font-size:16px}.pane-head p{font-size:12px;color:var(--muted);margin-top:4px}.source-toolbar{padding:0 12px 12px;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}.col-tabs{display:flex;gap:3px;flex-wrap:wrap}.col-tabs button{font-size:12px;padding:6px 8px;border:0;color:var(--muted);min-height:30px}.col-tabs button.active{background:#f0f4fa;color:#354d70}.source-table{width:100%;table-layout:fixed;border-collapse:collapse;font-size:13px}.source-table th{padding:11px 8px;background:#f5f8fc;font-weight:500;font-size:12px;vertical-align:bottom;text-align:left;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.source-table th small{font-size:11px;display:block;margin-top:2px}.source-table td{padding:10px 8px;border-bottom:1px solid #e8edf5;overflow-wrap:anywhere;vertical-align:middle;height:48px}.source-table td small{display:block;font-size:11px;margin-top:3px}.source-table .num{text-align:right;font-variant-numeric:tabular-nums}.source-table .group{font-size:12px}.source-table button{display:block;padding:0;background:none;border:0;text-align:left;font-size:inherit;min-height:0;line-height:1.4}.source-table tr[data-id]{cursor:pointer}.source-table tr[data-id]:hover{background:#f8faff}.source-table tr.related{background:#f6f9ff}.source-table tr.selected{background:#eaf2ff}.source-table tr.selected td:first-child{box-shadow:inset 3px 0 var(--blue)}.source-table[data-cols=loads]{min-width:430px}.source-table[data-cols=lines]{min-width:450px}.source-table[data-cols=all]{min-width:930px}.source-total{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:14px 17px;background:#f8fafd;font-size:12px;color:var(--muted);border-bottom:1px solid var(--line)}.source-total b{font-size:14px;color:#243348;margin-left:5px;font-variant-numeric:tabular-nums}.source-hint{padding:12px 17px;font-size:12px;color:var(--muted)}.scheme-pane{min-width:0;background-color:#f4f7fb;background-image:radial-gradient(#dce4f0 1px,transparent 1px);background-size:20px 20px}.scheme-pane .pane-head{background:#f4f7fb}.scheme-content{padding:6px 18px 28px}.panel-diagram{margin-bottom:24px}.panel-parent{font-size:11px;color:var(--muted);margin:0 0 10px 10px}.panel-layout{display:grid;grid-template-columns:145px minmax(0,1fr);gap:28px;align-items:center}.panel-node{background:white;border:1px solid #cbded9;border-radius:9px;overflow:hidden;box-shadow:var(--shadow)}.panel-node h3{background:#e9f7f1;color:#16806b;padding:11px 13px;font-size:14px}.panel-node .panel-value{padding:14px}.panel-node b{font-size:22px;font-weight:500;display:block;margin:4px 0 12px;white-space:nowrap}.panel-node small{font-size:11px}.panel-node .minor{font-size:12px;color:#64758c;margin-top:5px}.branch-stack{position:relative;display:grid;gap:12px}.branch-stack:before{position:absolute;content:'';left:-15px;top:74px;bottom:74px;border-left:1px solid #b7c7de}.branch-stack:after{position:absolute;content:'';left:-28px;width:13px;top:50%;border-top:1px solid #b7c7de}.line-wrap{position:relative}.line-wrap:before{position:absolute;content:'';left:-15px;width:15px;top:74px;border-top:1px solid #b7c7de}.line-card{padding:0;display:block;width:100%;text-align:left;border-radius:9px;overflow:hidden;box-shadow:var(--shadow);background:white;min-width:0}.line-card.active{border-color:var(--blue);box-shadow:0 0 0 2px #2463d41b}.line-card .line-title{padding:10px 11px 5px;display:flex;justify-content:space-between;gap:8px;font-size:12px;font-weight:600}.line-card .line-title span:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.line-card .line-title small{flex-shrink:0;font-size:11px;font-weight:400}.line-main{display:flex;justify-content:space-between;gap:10px;align-items:center;padding:0 11px 9px;font-size:11px;color:var(--muted);min-height:30px}.line-main strong{font-size:16px;color:#2b3d56;font-weight:500;white-space:nowrap}.line-main strong small{font-size:11px}.line-cable{display:flex;justify-content:space-between;gap:8px;border-top:1px solid var(--line);padding:6px 11px;background:#f8fafd;font-size:11px;color:#657791}.line-protection{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;padding:7px 11px 9px;border-top:1px solid #eaf0f6;background:#f8fafd;font-size:12px;font-variant-numeric:tabular-nums}.line-protection small{display:block;font-size:10px;margin-bottom:3px;font-weight:400}.line-alert{font-size:11px;padding:5px 11px;background:#fff6e6;color:#956c20}.scheme-footer{padding:12px 17px;border-top:1px solid var(--line);font-size:11px;color:var(--muted);background:white}.workspace-warning{padding:10px 24px;background:#fff8e8;border-bottom:1px solid #efe1bf;display:flex;align-items:center;justify-content:space-between;gap:12px;color:#856220;font-size:12px}.workspace-warning button{padding:5px 8px;font-size:12px;background:transparent;border-color:#dec68d;white-space:nowrap}.workspace[data-view=scheme] .scheme-content{max-width:880px;margin:auto}.workspace[data-view=scheme] .panel-layout{grid-template-columns:200px minmax(0,1fr);gap:40px}.workspace[data-view=scheme] .branch-stack:before{left:-22px}.workspace[data-view=scheme] .branch-stack:after{left:-40px;width:18px}.workspace[data-view=scheme] .line-wrap:before{left:-22px;width:22px}.workspace[data-view=scheme] .line-protection small{font-size:11px}.workspace[data-view=scheme] .line-card{max-width:480px}.workspace[data-view=scheme] .line-main{font-size:12px}.modal-head{display:flex;justify-content:space-between;align-items:flex-start;gap:15px;margin-bottom:12px}.modal-head h2{padding-top:6px}.modal-description{color:var(--muted);font-size:13px;line-height:1.6;margin-bottom:22px}.modal-actions{display:flex;justify-content:flex-end;align-items:center;gap:9px;margin-top:24px;flex-wrap:wrap}.modal-actions .success{margin-right:auto}.modal-error{margin-top:15px}dialog{border:1px solid #e1e7f0;border-radius:13px;padding:26px;width:660px;max-width:calc(100% - 28px);max-height:calc(100vh - 40px);color:#243348;box-shadow:0 20px 80px #17243e44}dialog::backdrop{background:#182a4690}dialog.wide{width:920px}.form-section{padding-top:20px;border-top:1px solid var(--line);margin-top:22px}.form-section h3{margin-bottom:15px}.check-label{display:flex;align-items:center;gap:8px;font-size:13px;color:#53657e}.panel-setting{padding:14px 0;border-bottom:1px solid var(--line)}.panel-setting h3{margin-bottom:10px}.panel-setting .form-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.results-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.result-value{padding:13px;background:#f4f7fb;border-radius:8px}.result-value small{display:block;margin-bottom:8px}.result-value b{font-size:18px;font-weight:550}.details-table{width:100%;border-collapse:collapse;font-size:13px;margin-top:20px}.details-table td{padding:10px 0;border-bottom:1px solid var(--line)}.details-table td:first-child{color:var(--muted)}.details-table td:last-child{text-align:right}.import-zone{padding:22px;border:1px dashed #b9cce7;background:#f6f9ff;border-radius:10px}.import-zone input{background:white;margin-top:10px}.import-summary{padding:16px 0;font-size:14px}.import-errors{max-height:210px;overflow:auto;font-size:12px;padding:12px 16px;background:#fff0f0;color:#a72f37;border-radius:8px;line-height:1.6}.import-preview-table{max-height:240px;overflow:auto;margin-top:16px}.import-preview-table table{font-size:12px;width:100%;border-collapse:collapse}.import-preview-table th,.import-preview-table td{text-align:left;border-bottom:1px solid var(--line);padding:8px}.import-preview-table th{position:sticky;top:0;background:#f5f8fc}.import-modes{display:flex;gap:18px;margin:14px 0;font-size:13px}.import-modes label{display:flex;gap:7px;align-items:center}.import-modes input{width:16px;min-height:16px}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);max-width:min(90%,560px);padding:12px 18px;background:#243b5d;color:white;font-size:13px;border-radius:9px;box-shadow:0 5px 30px #182a4630;z-index:1000}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}[hidden]{display:none!important}
@media(max-width:1000px){.app-header{padding:12px 20px;gap:16px}.nav{margin-left:0}.panel-layout{grid-template-columns:120px minmax(0,1fr);gap:23px}.panel-node .panel-value{padding:11px}.panel-node b{font-size:19px}.scheme-content{padding:4px 12px 24px}.line-protection{gap:4px;padding-left:9px;padding-right:9px}.source-toolbar .toolbar{gap:5px}.source-toolbar button{padding-left:8px;padding-right:8px}}
@media(max-width:820px){.auth-shell{grid-template-columns:1fr}.auth-aside{display:none}.auth-content{min-height:100vh;padding:32px 24px}.page{padding:25px 18px}.app-header{flex-wrap:wrap;gap:10px}.nav{order:3;width:100%;border-top:1px solid #eef2f7;padding-top:8px}.user-name{max-width:110px}.workspace{grid-template-columns:1fr}.splitter{height:6px;border:0}.workspace-top,.workspace-tools{padding:12px 16px}.project-title h1{max-width:70vw}.workspace-warning{padding:10px 16px}.panel-layout{grid-template-columns:145px minmax(0,1fr);gap:28px}.workspace[data-view=scheme] .panel-layout{grid-template-columns:145px minmax(0,1fr);gap:28px}.workspace[data-view=scheme] .branch-stack:before{left:-15px}.workspace[data-view=scheme] .branch-stack:after{left:-28px;width:13px}.workspace[data-view=scheme] .line-wrap:before{left:-15px;width:15px}.scheme-content{padding:5px 20px 25px}.page-heading{align-items:flex-start}.page-heading h1{font-size:23px}.section-card{padding:20px}.data-table{min-width:650px}}
@media(max-width:480px){.brand small{display:none}.app-header{padding:12px}.user-menu{gap:2px}.user-name{display:none}.nav button{font-size:12px;padding:7px}.page-heading{flex-direction:column;gap:18px}.page-heading>.primary{width:100%}.project-grid{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.modal-head h2{font-size:18px}dialog{padding:18px;max-width:calc(100% - 18px)}.modal-actions .success{width:100%}.panel-setting .form-grid{grid-template-columns:1fr}.results-grid{grid-template-columns:1fr 1fr}.workspace-top>.toolbar{width:100%;gap:5px}.workspace-top>.toolbar button{font-size:12px;padding:7px 9px}.workspace-top>.toolbar .button-label{display:none}.modes{width:100%;justify-content:space-between}.modes button{padding:7px 8px;font-size:12px}.workspace-tools{gap:10px}.calc-status{font-size:11px}.workspace-warning{align-items:flex-start;flex-wrap:wrap}.panel-layout,.workspace[data-view=scheme] .panel-layout{grid-template-columns:minmax(0,1fr);gap:22px}.panel-node{width:190px;margin-left:16px}.branch-stack{margin-left:16px}.branch-stack:after,.workspace[data-view=scheme] .branch-stack:after{left:-15px;width:110px;top:-12px}.branch-stack:before,.workspace[data-view=scheme] .branch-stack:before{top:-12px;bottom:74px;left:-15px}.workspace[data-view=scheme] .line-wrap:before{left:-15px;width:15px}.import-modes{flex-direction:column;gap:9px}.source-toolbar{gap:6px}.source-toolbar .toolbar{width:100%}}
@media(pointer:coarse){button{min-height:44px}input,select,textarea{font-size:16px;min-height:44px}}
.line-protection small{font-size:11px}