:root{
  --ink:#14181c; --ink-2:#3b434c; --paper:#eef1f4; --canvas:#ffffff;
  --line:#cdd4db; --muted:#8a929b;
  --we:#2f63c8; --we-bg:#e8f0fb;
  --ns:#e0a32a; --ns-bg:#fdf6e3;
  --test:#d6473d; --test-bg:#fdeceb;
  --auf:#2f9e5f; --auf-bg:#e9f6ee;
  --lager:#7a5bd0; --lager-bg:#f1ecfb;
  --dec:#23407a; --ok:#1f8a55; --waste:#cf2f27;
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
[hidden]{display:none!important}   /* sonst überstimmt display:flex das hidden-Attribut → Ansicht schaltet nicht um */
html,body{margin:0;padding:0;height:100%}
body{background:var(--paper);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;line-height:1.5}
#appView{display:flex;flex-direction:column;height:100vh;overflow:hidden}

.btn{font-family:var(--sans);font-size:12.5px;font-weight:600;border:1px solid var(--line);background:#fff;color:var(--ink-2);padding:8px 12px;border-radius:7px;cursor:pointer;line-height:1;white-space:nowrap}
.btn:hover{border-color:#9aa6b3}
.btn:disabled{opacity:.5;cursor:default}
.btn.primary{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn.primary:hover{background:#000}
.btn.ghost{background:transparent}
.btn.block{display:block;width:100%;padding:11px;font-size:14px}
.btn.toggle[aria-pressed="true"]{background:var(--we);color:#fff;border-color:var(--we)}
.btn.route[aria-pressed="true"]{background:var(--ns);color:#3a2c06;border-color:var(--ns)}
.btn.danger{color:var(--waste);border-color:#f1cdcb}
.muted{color:var(--muted);font-size:12.5px}

/* ── Auth ── */
.auth-view{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.auth-card{background:var(--canvas);border:1px solid var(--line);border-top:3px solid var(--ink);border-radius:10px;width:100%;max-width:380px;padding:24px;box-shadow:0 6px 28px rgba(20,24,28,.08)}
.auth-brand{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.auth-logo{width:42px;height:42px;border-radius:9px;background:var(--we);color:#fff;font-weight:800;font-family:var(--mono);display:flex;align-items:center;justify-content:center;font-size:15px;letter-spacing:.04em}
.auth-title{font-weight:800;font-size:16px;letter-spacing:-.01em}
.auth-sub{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.auth-foot{margin-top:16px;text-align:center;font-size:11.5px;color:var(--muted)}
.auth-err{background:#fdeceb;border:1px solid #f1cdcb;color:var(--waste);border-radius:7px;padding:9px 11px;font-size:12.5px;margin-bottom:12px}
.ok-msg{background:var(--auf-bg);border:1px solid #bcdcc6;color:var(--ok);border-radius:7px;padding:9px 11px;font-size:12.5px;margin-bottom:12px}

.field{margin-bottom:13px}
.field label{display:block;font-size:11.5px;font-weight:600;color:var(--ink-2);margin-bottom:5px}
.field input,.field select,.field textarea{width:100%;font-family:var(--sans);font-size:14px;padding:9px 11px;border:1px solid var(--line);border-radius:7px;background:#fff;color:var(--ink)}
.field textarea{resize:vertical;min-height:54px;line-height:1.3}
.field input:focus,.field textarea:focus,.field select:focus{outline:2px solid var(--we);outline-offset:-1px;border-color:var(--we)}
.row2{display:flex;gap:8px}
.seg2{display:inline-flex;border:1px solid var(--line);border-radius:8px;background:#fff;padding:3px;width:100%;margin-bottom:18px}
.seg2 button{flex:1;font-family:var(--sans);font-size:13px;font-weight:600;border:0;background:transparent;color:var(--ink-2);padding:8px;border-radius:6px;cursor:pointer}
.seg2 button[aria-pressed="true"]{background:var(--ink);color:#fff}
.seg2.small{margin-bottom:10px}.seg2.small button{padding:6px;font-size:12px}

/* ── App-Header ── */
.app-header{background:var(--canvas);border-bottom:1px solid var(--line);padding:9px 14px;display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.app-title{font-weight:800;font-size:14.5px;letter-spacing:-.01em;display:flex;flex-direction:column;line-height:1.2}
.app-title small{font-family:var(--mono);font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:600}
.diagbar{display:flex;align-items:center;gap:8px;padding-left:12px;margin-left:6px;border-left:1px solid var(--line)}
.diag-name{font-weight:700;font-size:13.5px;max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.diag-badge{font-family:var(--mono);font-size:10px;font-weight:700;letter-spacing:.04em;padding:3px 7px;border-radius:5px;background:var(--paper);color:var(--ink-2)}
.diag-badge.shared{background:var(--auf-bg);color:var(--ok)}
.diag-badge.private{background:var(--we-bg);color:var(--we)}
.dirty{font-family:var(--mono);font-size:11px;color:var(--ns);font-weight:700}
.toolgroup{display:flex;align-items:center;gap:6px;padding-left:10px;border-left:1px solid var(--line)}
.spacer{flex:1}
.user-chip{font-size:12.5px;font-weight:600;color:var(--ink-2);background:var(--paper);border:1px solid var(--line);border-radius:999px;padding:6px 12px;cursor:pointer}
.user-chip:hover{border-color:#9aa6b3}

/* ── Ansichts-Umschalter im Header ── */
.seg2.viewseg{width:auto;margin:0;padding:2px}
.seg2.viewseg button{padding:6px 14px;font-size:12.5px}

/* ── PNG-Kopfbanner ── */
.process-banner{background:#14181c;color:#fff;border-bottom:1px solid #000;padding:12px 18px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.pb-left{flex:1;min-width:220px}
.pb-eyebrow{font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:#8e99a4;margin-bottom:3px}
.pb-title{font-size:18px;font-weight:800;letter-spacing:-.01em;line-height:1.15}
.pb-sub{font-size:12.5px;color:#cfd6dd;margin-top:3px}
.pb-meta{display:flex;border:1px solid #2c343b;border-radius:8px;overflow:hidden;background:#1f262c}
.pb-cell{padding:7px 14px;border-right:1px solid #2c343b}.pb-cell:last-child{border-right:0}
.pb-cell .k{font-family:var(--mono);font-size:9px;letter-spacing:.1em;text-transform:uppercase;color:#8e99a4}
.pb-cell .v{font-family:var(--mono);font-size:12px;font-weight:700;margin-top:2px;color:#fff}

/* ── Grundriss-Ansicht ── */
.grundriss{flex:1;min-width:0;overflow:auto;background:var(--paper);padding:16px}
#grCanvas svg{background:#fff;border:1px solid var(--line);border-radius:8px}
.chk{display:flex;align-items:center;gap:8px;font-size:13px;cursor:pointer;color:var(--ink-2)}
.chip-btn.active{background:var(--ink);color:#fff;border-color:var(--ink)}

/* ── Editor ── */
main{flex:1;display:flex;min-height:0}
.editor{flex:1;min-width:0;position:relative;overflow:auto;background:
   linear-gradient(#f4f6f8 1px,transparent 1px) 0 0/24px 24px,
   linear-gradient(90deg,#f4f6f8 1px,transparent 1px) 0 0/24px 24px, var(--paper)}
#canvas{position:relative;width:1320px;height:1140px}
.selbox{position:absolute;z-index:60;pointer-events:none;border:1.5px solid var(--accent,#1f5fd0);background:rgba(31,95,208,.12);border-radius:3px}
#edges{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
#edges .hit{stroke:transparent;stroke-width:16;fill:none;pointer-events:stroke;cursor:pointer}
.lanebg{position:absolute;left:0;right:0;pointer-events:none}
.lanegrip{position:absolute;left:0;right:0;height:11px;z-index:6;cursor:ns-resize;touch-action:none}
.lanegrip::after{content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:46px;height:4px;border-radius:3px;background:#c2cbd6;opacity:0;transition:opacity .12s}
.lanegrip:hover::after{opacity:1}
.lanelbl{position:absolute;left:8px;font-family:var(--mono);font-size:10.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#fff;padding:3px 9px;border-radius:5px;pointer-events:none}

.tile{position:absolute;z-index:12;border:1.5px solid var(--we);background:var(--we-bg);border-radius:10px;padding:7px 9px;font-size:11.5px;line-height:1.25;color:var(--ink);cursor:grab;white-space:pre-line;text-align:center;display:flex;flex-direction:column;justify-content:center;box-shadow:0 1px 2px rgba(20,24,28,.05);user-select:none;touch-action:none;overflow:hidden}
.tile:active{cursor:grabbing}
.tile .code{font-family:var(--mono);font-size:9.5px;font-weight:700;color:var(--muted);margin-bottom:2px;letter-spacing:.04em}
.tile .body{font-weight:600}
.tile .loc{position:absolute;bottom:3px;right:4px;font-family:var(--mono);font-size:8px;font-weight:700;color:#fff;padding:1px 4px;border-radius:4px;letter-spacing:.02em}
.tile .tsec{position:absolute;bottom:3px;left:4px;font-family:var(--mono);font-size:8px;font-weight:700;color:#fff;background:#3b434c;padding:1px 4px;border-radius:4px;letter-spacing:.02em}
.tile .del{position:absolute;top:2px;right:3px;width:17px;height:17px;border-radius:50%;background:#fff;border:1.5px solid var(--waste);color:var(--waste);font-size:11px;font-weight:800;line-height:14px;text-align:center;cursor:pointer;display:none;z-index:25}
.tile:hover .del,.tile.selected .del{display:block}
.tile .del:hover{background:var(--waste);color:#fff}
.tile.cat-we{border-color:var(--we);background:var(--we-bg)}
.tile.cat-ns{border-color:var(--ns);background:var(--ns-bg)}
.tile.cat-test{border-color:var(--test);background:var(--test-bg)}
.tile.cat-auf{border-color:var(--auf);background:var(--auf-bg)}
.tile.cat-lager{border-color:var(--lager);background:var(--lager-bg)}
.tile.cat-dec{border-color:var(--dec);background:#fff}
.tile.cat-dec::before{content:"?";position:absolute;top:2px;left:5px;font-family:var(--mono);font-weight:800;color:var(--dec);font-size:12px}
.tile.cat-start,.tile.cat-end{background:var(--ink);color:#fff;border-color:var(--ink);font-weight:800;letter-spacing:.04em}
.tile.cat-start .code,.tile.cat-end .code{color:#aeb8c4}
.tile.selected{outline:3px solid #1f5fd0;outline-offset:2px;z-index:20}
.tile.connect-src{outline:3px dashed var(--we);outline-offset:2px}
.tile.route-on{outline:3px solid var(--ns);outline-offset:2px}
.tile .seq{position:absolute;bottom:2px;left:4px;font-family:var(--mono);font-size:9px;font-weight:800;background:var(--ns);color:#3a2c06;border-radius:50%;width:15px;height:15px;display:flex;align-items:center;justify-content:center}
/* Icons je Kategorie (PNG-Look) */
.tile{padding:8px 10px;border-radius:12px}
.tile .ticon{display:flex;justify-content:center;margin-bottom:3px;line-height:0}
.tile .ticon svg{width:20px;height:20px}
.tile.cat-we .ticon{color:var(--we)} .tile.cat-ns .ticon{color:#b6610f}
.tile.cat-test .ticon{color:var(--test)} .tile.cat-auf .ticon{color:var(--auf)} .tile.cat-lager .ticon{color:var(--lager)}
.tile.cat-start .ticon,.tile.cat-end .ticon{color:#fff}
.lanelbl{display:flex;align-items:center;gap:5px}
.laneico{display:inline-flex;line-height:0}.laneico svg{width:13px;height:13px;color:#fff}
/* Legende */
.legend-list{display:flex;flex-direction:column;gap:8px}
.legend-row{display:flex;align-items:center;gap:9px;font-size:12.5px;color:var(--ink-2)}
.legend-ic{width:26px;height:26px;border-radius:8px;display:flex;align-items:center;justify-content:center;flex:0 0 26px;border:1.5px solid}
.legend-ic svg{width:15px;height:15px}

/* ── Sidebar ── */
.sidebar{width:330px;flex:0 0 330px;border-left:1px solid var(--line);background:var(--canvas);overflow-y:auto;padding:14px}
.panel{border:1px solid var(--line);border-radius:8px;margin-bottom:14px;overflow:hidden}
.panel h3{margin:0;padding:10px 12px;font-size:12px;font-family:var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2);background:var(--paper);border-bottom:1px solid var(--line)}
.panel .bd{padding:12px}
.big-num{font-family:var(--mono);font-size:30px;font-weight:800;line-height:1}
.big-num .u{font-size:15px;color:var(--muted);font-weight:600}
.legtable{width:100%;border-collapse:collapse;font-size:12px}
.legtable td{padding:5px 6px;border-top:1px solid var(--line)}
.legtable td.m{font-family:var(--mono);text-align:right;font-weight:600;white-space:nowrap}
.legtable tr.tot td{border-top:2px solid var(--ink);font-weight:700;background:var(--paper)}
.legtable td.m.zero{color:var(--muted);font-weight:400}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip-btn{font-size:11.5px;font-weight:600;border:1px solid var(--line);background:#fff;border-radius:999px;padding:5px 10px;cursor:pointer;color:var(--ink-2)}
.chip-btn:hover{border-color:#9aa6b3}
details summary{cursor:pointer;font-size:11px;font-family:var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2);padding:8px 0}
.matrix{width:100%;border-collapse:collapse;font-size:11px}
.matrix th,.matrix td{border:1px solid var(--line);padding:2px;text-align:center}
.matrix th{background:var(--paper);font-family:var(--mono);font-weight:700;font-size:10px}
.matrix input{width:42px;border:0;text-align:center;font-family:var(--mono);font-size:11px;background:transparent;color:var(--ink);padding:3px 0}
.matrix input:focus{outline:1px solid var(--we);background:#fff}
.hint{font-size:11.5px;color:var(--ink-2);background:var(--paper);border-radius:6px;padding:9px 10px;line-height:1.4}
.wrow{display:flex;align-items:center;gap:8px;margin-bottom:6px}
.wrow span{flex:1;font-size:12px}
.wrow input{width:60px;font-family:var(--mono);font-size:12px;padding:5px 7px;border:1px solid var(--line);border-radius:6px;text-align:right;background:#fff;color:var(--ink)}
.heat-legend{margin:4px 0 12px}
.hl-bar{height:11px;border-radius:6px;background:linear-gradient(90deg,rgb(58,160,99),rgb(232,184,30),rgb(232,120,28),rgb(207,47,39))}
.hl-lbls{display:flex;justify-content:space-between;font-size:10px;font-family:var(--mono);color:var(--muted);margin-top:3px}
.heat-row{position:relative;margin-bottom:5px;border:1px solid var(--line);border-radius:5px;overflow:hidden;background:#fff}
.hr-bar{position:absolute;left:0;top:0;bottom:0;opacity:.22}
.hr-txt{position:relative;display:flex;justify-content:space-between;gap:8px;padding:5px 8px}
.hr-nm{font-size:11.5px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hr-v{font-family:var(--mono);font-size:11px;font-weight:700;white-space:nowrap;color:var(--ink-2)}
.seg-loc{display:inline-block;width:9px;height:9px;border-radius:2px;margin-right:5px;vertical-align:middle}

/* ── Diagramm-/Nutzer-Liste ── */
.dl-group{margin-bottom:14px}
.dl-h{font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.diag-item{display:flex;align-items:center;gap:8px;padding:8px 10px;border:1px solid var(--line);border-radius:7px;margin-bottom:6px}
.diag-item.active{border-color:var(--we);background:var(--we-bg)}
.di-main{flex:1;cursor:pointer;overflow:hidden}
.di-nm{font-weight:600;font-size:13.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.di-meta{font-family:var(--mono);font-size:10.5px;color:var(--muted);margin-top:2px}
.di-vis{font-size:11px;font-weight:600;border:1px solid var(--line);background:#fff;border-radius:6px;padding:5px 8px;cursor:pointer;color:var(--ink-2)}
.di-vis:hover{border-color:#9aa6b3}
.di-ren{cursor:pointer;border:1px solid var(--line);border-radius:6px;width:26px;height:26px;line-height:22px;text-align:center;background:#fff;font-size:12px;color:var(--ink-2)}
.di-ren:hover{border-color:#9aa6b3}
.gr-sec{width:52px;border:1px solid var(--line);border-radius:6px;padding:4px 6px;font-size:12px;text-align:right;background:#fff;color:var(--ink)}
.gr-secu{font-size:11px;color:var(--muted);margin:0 2px 0 -1px}
.di-del{cursor:pointer;color:var(--waste);font-weight:800;border:1px solid #f1cdcb;border-radius:6px;width:26px;height:26px;line-height:22px;text-align:center;background:#fff;font-size:13px}
.di-del:hover{background:var(--waste);color:#fff}
.sub-h{font-size:12px;font-family:var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2);margin:6px 0 10px}

/* ── Modal ── */
.modal-bg{position:fixed;inset:0;background:rgba(20,24,28,.45);display:none;align-items:flex-start;justify-content:center;z-index:100;padding:40px 16px;overflow:auto}
.modal-bg.open{display:flex}
.modal{background:#fff;border-radius:12px;max-width:560px;width:100%;box-shadow:0 16px 48px rgba(0,0,0,.28);overflow:hidden}
.modal.onb{max-width:760px}
.onb-intro{font-size:13.5px;color:var(--ink-2);margin-bottom:14px;line-height:1.5}
.onb-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.onb-card{border:1px solid var(--line);border-radius:10px;padding:10px 12px;background:var(--paper,#f8fafc)}
.onb-h{font-weight:700;font-size:13px;margin-bottom:3px}
.onb-t{font-size:12.5px;color:var(--ink-2);line-height:1.5}
.onb-new{margin-top:14px;border:1px solid var(--accent,#2f63c8);background:rgba(47,99,200,.06);border-radius:10px;padding:10px 13px}
.onb-new-h{font-weight:700;font-size:13px;margin-bottom:5px}
.onb-new ul{margin:0;padding-left:18px}.onb-new li{font-size:12.5px;color:var(--ink-2);line-height:1.5;margin:2px 0}
.onb-foot{display:flex;justify-content:space-between;gap:10px;padding:14px 18px;border-top:1px solid var(--line);background:var(--paper,#f8fafc)}
@media(max-width:620px){.onb-grid{grid-template-columns:1fr}}
.modal .mh{display:flex;align-items:center;gap:10px;padding:15px 18px;border-bottom:1px solid var(--line)}
.modal .mh h2{margin:0;font-size:16px;flex:1;letter-spacing:-.01em}
.modal .mh .x{cursor:pointer;border:1px solid var(--line);background:#fff;border-radius:7px;width:30px;height:30px;font-size:16px;font-weight:700;color:var(--ink-2);line-height:1}
.modal .mb{padding:14px 18px 18px;max-height:72vh;overflow:auto}
.modal .mb input,.modal .mb select{width:100%;font-family:var(--sans);font-size:14px;padding:9px 11px;border:1px solid var(--line);border-radius:7px;background:#fff;color:var(--ink)}
.cl-item{padding:14px 0;border-top:1px solid var(--line)}.cl-item:first-child{border-top:0}
.cl-ver{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;margin-bottom:6px}
.cl-ver .v{font-family:var(--mono);font-weight:800;font-size:13.5px;color:var(--we);background:var(--we-bg);padding:2px 7px;border-radius:5px}
.cl-ver .t{font-weight:700;font-size:13.5px}.cl-ver .d{font-family:var(--mono);font-size:11px;color:var(--muted);margin-left:auto}
.cl-item ul{margin:0;padding-left:18px}.cl-item li{font-size:13px;color:var(--ink-2);margin:4px 0;line-height:1.45}

@media(max-width:860px){
  main{flex-direction:column}
  .sidebar{width:auto;flex:none;border-left:0;border-top:1px solid var(--line);max-height:44vh}
  .editor{flex:1}
}