:root{
  --rail:#0B141C; --bar:#10212c; --bar2:#16303c; --line:#D8E2E7; --line2:#E9EFF2;
  --ink:#16242F; --muted:#5E707C; --faint:#8DA0AB; --wash:#F1F6F8; --panel:#fff;
  --cyan:#0FA3BE; --cyan-dk:#0B7E93; --teal:#0E5A6B; --crit:#E0492F;
  --green:#2E9E5E; --amber:#E0A52B; --red:#DA4A4A; --sel:#DCF0F4;
  --pre:#6B7C88; --shut:#0E5A6B; --con:#0B7E93; --dis:#7A57B5; --res:#B5793A;
  --ui:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,Consolas,monospace;
  --disp:'Space Grotesk',var(--ui);
  --rh:30px; /* row height shared by grid + gantt */
}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{font-family:var(--ui);font-size:13px;color:var(--ink);background:var(--wash);overflow:hidden}
button{font-family:var(--ui);cursor:pointer;border:none;background:none;color:inherit;font-size:12px}
input,select{font-family:var(--ui);font-size:12px}
.mono{font-family:var(--mono)}
::-webkit-scrollbar{width:11px;height:11px}
::-webkit-scrollbar-thumb{background:#b9c8cf;border-radius:8px;border:2px solid var(--wash)}
::-webkit-scrollbar-corner{background:transparent}

#app{display:flex;flex-direction:column;height:100vh}

/* ribbon */
.ribbon{background:var(--rail);color:#dbe7ec;display:flex;align-items:center;gap:4px;padding:7px 12px;flex-wrap:wrap}
.ribbon .brand{display:flex;align-items:center;gap:9px;margin-right:10px}
.ribbon .logo{width:28px;height:28px;border-radius:7px;background:linear-gradient(150deg,#3b82f6,#1e40af);display:grid;place-items:center}
.ribbon .brand b{font-family:var(--disp);font-size:15px;letter-spacing:-.3px;color:#fff}
.ribbon .brand span{font-family:var(--mono);font-size:9px;letter-spacing:1.5px;color:#6f8794;display:block;margin-top:-1px}
.rgroup{display:flex;align-items:center;gap:2px;padding:0 7px;border-left:1px solid #243743}
.rgroup:first-of-type{border-left:none}
.tbtn{display:inline-flex;align-items:center;gap:5px;padding:6px 9px;border-radius:6px;color:#bccdd6;font-weight:500;white-space:nowrap}
.tbtn:hover{background:#1c2f3a;color:#fff}
.tbtn:disabled{opacity:.35;cursor:default;background:none}
.tbtn svg{width:15px;height:15px}

/* tabs */
.tabs{display:flex;background:var(--bar);padding:0 12px;gap:2px}
.tab{padding:9px 15px;color:#9fb4be;font-weight:600;font-size:12.5px;border-bottom:2px solid transparent}
.tab:hover{color:#dceaef}
.tab.on{color:#fff;border-bottom-color:var(--cyan)}

/* workspace */
.work{flex:1;min-height:0;display:flex;background:var(--panel)}
.viewport{flex:1;min-width:0;display:flex;flex-direction:column}

/* ===== Gantt split ===== */
.gv{flex:1;min-height:0;display:flex}
.grid-pane{width:600px;flex-shrink:0;display:flex;flex-direction:column;border-right:2px solid var(--line)}
.tl-pane{flex:1;min-width:0;display:flex;flex-direction:column}
.ghead,.thead{height:var(--rh);flex-shrink:0;background:var(--wash);border-bottom:1px solid var(--line);display:flex;align-items:stretch}
.thead{overflow:hidden;position:relative}
.grows{overflow:hidden;flex:1}
.trows{overflow:auto;flex:1;position:relative}

/* grid columns */
.gcol{display:flex;align-items:center;padding:0 7px;font-size:10.5px;font-weight:700;color:var(--muted);letter-spacing:.3px;border-right:1px solid var(--line2);flex-shrink:0}
.cell{display:flex;align-items:center;padding:0 7px;border-right:1px solid var(--line2);overflow:hidden;white-space:nowrap;flex-shrink:0;height:100%}
.c-wbs{width:36px;justify-content:flex-end;color:var(--faint)}
.c-name{flex:1 1 auto;min-width:0}
.c-dur{width:48px;justify-content:flex-end}
.c-start,.c-finish{width:72px;justify-content:flex-end}
.c-pred{width:58px;justify-content:flex-end}
.c-res{width:96px;color:var(--muted);font-size:11px}
.c-pct{width:42px;justify-content:flex-end}
.grow{display:flex;height:var(--rh);align-items:stretch;border-bottom:1px solid var(--line2);cursor:pointer}
.grow:hover{background:#f6fafb}
.grow.sel{background:var(--sel)}
.grow.summary{font-weight:700}
.grow.summary .c-name{font-weight:700}
.twirl{width:13px;flex-shrink:0;color:var(--muted);text-align:center;font-size:9px;cursor:pointer}
.nm{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.nm.crit{color:var(--crit)}
.mi{color:var(--cyan-dk);font-size:11px;margin-right:3px}
.cell input{width:100%;border:1px solid var(--cyan);border-radius:3px;padding:2px 3px;font-size:12px;outline:none}
.cell input.r{text-align:right}

/* timeline */
.tl-canvas{position:relative}
.tcol{position:absolute;top:0;bottom:0;width:0;border-left:1px solid var(--line2)}
.tcol.wk{border-left:1px solid #cdd9df}
.tcol.we{background:#f5f9fa}
.tday{position:absolute;top:0;height:var(--rh);font-size:9px;color:var(--faint);font-family:var(--mono);display:flex;align-items:center;justify-content:center}
.tmon{position:absolute;top:1px;font-size:9px;font-weight:700;color:var(--muted);font-family:var(--mono);padding-left:4px}
.statusline{position:absolute;top:0;bottom:0;width:2px;background:var(--cyan);opacity:.6;z-index:6}
.trow{position:absolute;left:0;right:0;height:var(--rh)}
.trow:hover{background:#f6fafb}
.trow.sel{background:var(--sel)}
.bar{position:absolute;height:13px;top:7px;border-radius:4px;overflow:hidden;cursor:grab;z-index:3}
.bar .fill{height:100%;opacity:.92}
.bar .lab{position:absolute;left:100%;top:-2px;padding-left:6px;font-size:10px;color:var(--muted);white-space:nowrap;line-height:17px}
.bar.crit{box-shadow:0 0 0 1px var(--crit)}
.sbar{position:absolute;height:7px;top:6px;background:var(--ink);border-radius:2px;z-index:3}
.sbar::before,.sbar::after{content:'';position:absolute;bottom:-4px;width:0;height:0;border-top:5px solid var(--ink)}
.sbar::before{left:0;border-right:5px solid transparent}
.sbar::after{right:0;border-left:5px solid transparent}
.dia{position:absolute;width:13px;height:13px;top:7px;transform:rotate(45deg);border-radius:2px;z-index:4}
.bl{position:absolute;height:4px;top:21px;background:#9aa;border-radius:2px;z-index:2;opacity:.7}
.handle{position:absolute;right:0;top:0;width:6px;height:100%;cursor:ew-resize}
svg.deps{position:absolute;top:0;left:0;pointer-events:none;z-index:2;overflow:visible}

/* task panel */
.panel{width:286px;flex-shrink:0;border-left:1px solid var(--line);background:var(--panel);overflow:auto;padding:15px}
.panel h3{margin:0 0 2px;font-family:var(--disp);font-size:15px;line-height:1.15}
.panel .wbs{font-family:var(--mono);font-size:11px;color:var(--cyan-dk);font-weight:600}
.frow{display:flex;justify-content:space-between;align-items:center;padding:6px 0;border-bottom:1px solid var(--line2);font-size:12px;gap:8px}
.frow .k{color:var(--muted)}
.frow .v{font-weight:600;text-align:right}
.frow select,.frow input{border:1px solid var(--line);border-radius:5px;padding:4px 6px;max-width:150px}
.pl{font-size:10px;font-weight:700;letter-spacing:.6px;color:var(--faint);margin:14px 0 5px;font-family:var(--mono)}
.range{width:100%;accent-color:var(--cyan)}
.asg{display:flex;justify-content:space-between;font-size:11.5px;padding:4px 0;border-bottom:1px solid var(--line2)}
.btn{background:var(--cyan-dk);color:#fff;padding:7px 11px;border-radius:7px;font-weight:600}
.btn.sm{padding:5px 9px;font-size:11px}
.btn.ghost{background:var(--wash);color:var(--ink);border:1px solid var(--line)}

/* status bar */
.status{height:30px;background:var(--bar);color:#bccdd6;display:flex;align-items:center;gap:18px;padding:0 14px;font-size:11.5px;flex-shrink:0}
.status .mono{color:#dceaef}
.status .warn{color:var(--amber)}
.tag{font-family:var(--mono);font-size:10px;font-weight:700;padding:1px 6px;border-radius:999px}

/* generic table views */
.tv{flex:1;overflow:auto;padding:18px}
.tbl{width:100%;border-collapse:collapse;background:var(--panel);font-size:12.5px}
.tbl th{position:sticky;top:0;background:var(--wash);text-align:left;padding:8px 10px;font-size:10.5px;letter-spacing:.4px;color:var(--muted);border-bottom:2px solid var(--line);z-index:1}
.tbl td{padding:7px 10px;border-bottom:1px solid var(--line2)}
.tbl tr:hover td{background:#f6fafb}
.tbl td.r,.tbl th.r{text-align:right;font-family:var(--mono)}
.over{background:#fbe7e7 !important;color:var(--red);font-weight:700}
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px}
.grid2{display:grid;gap:14px}
.sec-h{font-family:var(--disp);font-size:13.5px;font-weight:700;margin:0 0 10px}

/* network */
.net{flex:1;overflow:auto;padding:24px;position:relative;background:
  linear-gradient(#eef4f6 1px,transparent 1px) 0 0/100% 26px,
  linear-gradient(90deg,#eef4f6 1px,transparent 1px) 0 0/26px 100%,var(--panel)}
.node{position:absolute;width:150px;background:var(--panel);border:1.5px solid var(--cyan-dk);border-radius:8px;padding:7px 9px;z-index:2;box-shadow:0 2px 6px rgba(20,40,50,.08)}
.node.crit{border-color:var(--crit)}
.node.ms{border-style:dashed}
.node .nt{font-weight:700;font-size:11.5px;line-height:1.2;margin-bottom:5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.node .nr{display:flex;justify-content:space-between;font-family:var(--mono);font-size:9.5px;color:var(--muted)}
svg.netlines{position:absolute;inset:0;z-index:1;pointer-events:none;overflow:visible}

/* calendar */
.cal{flex:1;overflow:auto;padding:16px}
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}
.cal-h{font-weight:700;font-size:11px;color:var(--muted);text-align:center;padding:4px}
.cal-cell{min-height:84px;border:1px solid var(--line2);border-radius:7px;padding:5px;background:var(--panel)}
.cal-cell.we{background:var(--wash)}
.cal-cell.today{outline:2px solid var(--cyan)}
.cal-d{font-size:11px;font-weight:700;color:var(--faint);font-family:var(--mono)}
.cal-ev{font-size:10px;padding:2px 5px;border-radius:4px;margin-top:3px;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* gauges */
.gauge{display:flex;align-items:center;gap:13px}
.gauge .gl{font-weight:700;font-size:13px}.gauge .gs{color:var(--muted);font-size:11px;margin-top:2px}
.kpi{display:flex;flex-direction:column;gap:2px}
.kpi .kv{font-family:var(--mono);font-size:20px;font-weight:600}
.kpi .kl{font-size:11px;color:var(--muted)}
@media print{.ribbon,.tabs,.panel,.status{display:none}.work{display:block}}

/* ===== cloud layer (server build only) ===== */
.lg-overlay{position:fixed;inset:0;z-index:1000;background:rgba(8,16,22,.86);backdrop-filter:blur(3px);display:grid;place-items:center}
.lg-card{width:340px;background:var(--panel);border-radius:16px;padding:26px;box-shadow:0 24px 60px rgba(0,0,0,.4)}
.lg-brand{display:flex;align-items:center;gap:11px;margin-bottom:20px}
.lg-logo{width:38px;height:38px;border-radius:10px;background:linear-gradient(150deg,#3b82f6,#1e40af);display:grid;place-items:center}
.lg-brand b{font-family:var(--disp);font-size:18px;display:block}
.lg-brand span{font-family:var(--mono);font-size:9px;letter-spacing:1.5px;color:var(--faint)}
.lg-card label{display:block;font-size:11px;font-weight:700;color:var(--muted);margin:10px 0 4px;letter-spacing:.3px}
.lg-card input{width:100%;border:1px solid var(--line);border-radius:9px;padding:10px 11px;font-size:14px}
.lg-card input:focus{outline:none;border-color:var(--cyan)}
.lg-err{color:var(--red);font-size:12px;min-height:16px;margin-top:8px}
.lg-hint{font-size:10.5px;color:var(--faint);margin-top:12px;text-align:center}

.modal-bg{position:fixed;inset:0;z-index:900;background:rgba(8,16,22,.5);display:grid;place-items:center}
.modal{width:480px;max-height:80vh;overflow:auto;background:var(--panel);border-radius:14px;padding:20px}
.modal h3{font-family:var(--disp);margin:0 0 14px}
.pick-row{display:flex;align-items:center;justify-content:space-between;padding:11px 12px;border:1px solid var(--line2);border-radius:10px;margin-bottom:7px;cursor:pointer}
.pick-row:hover{border-color:var(--cyan);background:var(--wash)}
.pick-sub{font-size:11px;color:var(--muted);font-family:var(--mono);margin-top:2px}
.pick-go{color:var(--cyan-dk);font-weight:600;font-size:12px}

.toast{position:fixed;bottom:46px;left:50%;transform:translateX(-50%);z-index:1100;background:var(--ink);color:#fff;padding:10px 16px;border-radius:10px;font-size:13px;box-shadow:0 8px 24px rgba(0,0,0,.25);transition:opacity .35s}
.toast.ok{background:var(--cyan-dk)} .toast.err{background:var(--red)}
.cbanner{position:fixed;top:0;left:0;right:0;z-index:950;background:#FFF4E0;border-bottom:1px solid #E0A52B;color:#7a5a10;display:flex;align-items:center;gap:12px;padding:9px 16px;font-size:13px}
.cbanner .btn{margin-left:auto}.cbanner .btn+.btn{margin-left:8px}


/* welcome chooser (server build) */
.wc-lead{color:var(--muted);font-size:13px;margin:-4px 0 14px}
.wc-opt{display:flex;gap:12px;align-items:center;padding:13px;border:1px solid var(--line2);border-radius:11px;margin-bottom:9px;cursor:pointer}
.wc-opt:hover{border-color:var(--cyan);background:var(--wash)}
.wc-ic{width:38px;height:38px;flex-shrink:0;border-radius:9px;background:#0b7e93;color:#fff;display:grid;place-items:center;font-size:20px;font-weight:600}
.wc-t{font-weight:700;font-size:14px}
.wc-s{font-size:11.5px;color:var(--muted);margin-top:1px}
.wc-skip{display:block;margin:10px auto 0;color:var(--muted);font-size:12px;background:none;border:none;cursor:pointer}
.wc-skip:hover{color:var(--ink)}

/* admin console (server build) */
.adm-nav{display:flex;align-items:center;gap:12px;background:var(--rail);color:#dbe7ec;padding:12px 22px}
.adm-brand{display:flex;align-items:center;gap:10px}
.adm-logo{width:30px;height:30px;border-radius:8px;background:linear-gradient(150deg,#3b82f6,#1e40af);display:grid;place-items:center}
.adm-brand b{font-family:var(--disp);color:#fff;font-size:16px;line-height:1}
.adm-brand span{font-family:var(--mono);font-size:8px;letter-spacing:2px;color:#6f8794;display:block;margin-top:2px}
.adm-link{color:#bccdd6;background:none;border:none;cursor:pointer;font-size:13px;font-weight:600;text-decoration:none;padding:6px 10px;border-radius:7px}
.adm-link:hover{background:#1c2f3a;color:#fff}
.adm-who{color:#6f8794;font-size:12px}
.adm-wrap{max-width:920px;margin:0 auto;padding:26px 22px 80px}
.adm-h1{font-family:var(--disp);font-size:26px;margin-bottom:16px}
.adm-form{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.adm-lbl{display:block;font-size:11px;font-weight:700;color:var(--muted);letter-spacing:.3px;margin-bottom:4px}
.adm-form input,.adm-form select{width:100%;border:1px solid var(--line);border-radius:8px;padding:8px 10px;font-size:13px}
.adm-msg{font-size:12.5px;word-break:break-word}
.adm-msg.ok{color:var(--green);font-family:var(--mono);font-weight:600}
.adm-msg.err{color:var(--red)}
.adm-roles{font-size:11.5px;color:var(--faint);margin-top:10px}
.pill{font-family:var(--mono);font-size:10px;font-weight:700;padding:2px 8px;border-radius:999px}
.pill.on{background:#2E9E5E1e;color:var(--green)} .pill.off{background:#8DA0AB1e;color:var(--muted)}
@media(max-width:640px){.adm-form{grid-template-columns:1fr}}

/* AI board briefing modal (server build) */
.brief-note{font-size:12px;color:var(--muted);background:var(--wash);border-radius:9px;padding:10px 12px;margin-bottom:12px}
.brief-load{color:var(--muted);font-size:13px;padding:10px 4px;display:flex;align-items:center;gap:10px}
.brief-load::before{content:'';width:15px;height:15px;border:2px solid var(--line);border-top-color:#3b82f6;border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.brief-err{color:var(--red);font-size:13px;padding:12px;background:#fbe7e7;border-radius:9px}
.brief-out{font-size:13.5px;line-height:1.55;max-height:55vh;overflow:auto}
.brief-out h2{font-family:var(--disp);font-size:16px;margin:14px 0 6px}
.brief-out h2:first-child{margin-top:0}
.brief-out h3{font-family:var(--disp);font-size:13.5px;margin:13px 0 4px;color:var(--cyan-dk)}
.brief-out h4{font-size:12.5px;margin:10px 0 4px;color:var(--muted)}
.brief-out p{margin:6px 0}
.brief-out ul{margin:6px 0 6px 18px}.brief-out li{margin:3px 0}
.brief-foot{margin-top:14px;padding-top:10px;border-top:1px solid var(--line);font-size:10.5px;color:var(--faint);font-family:var(--mono)}
.brief-bar{display:flex;gap:8px;justify-content:flex-end;margin-top:12px}

/* ---- Scenarios view ---- */
.scn-help{color:var(--muted);font-size:12.5px;max-width:880px;margin:2px 0 12px}
.scn-cap{display:flex;gap:8px;align-items:center;margin-bottom:14px}
.scn-name{flex:0 1 460px;max-width:460px;padding:7px 10px;border:1px solid var(--line);border-radius:8px;font-size:12.5px;color:var(--ink);background:var(--panel)}
.scn-name:focus{outline:none;border-color:var(--cyan-dk)}
.scn-table{width:100%;border-collapse:collapse;font-size:12.5px}
.scn-table th{text-align:left;color:var(--muted);font-weight:600;font-size:11px;text-transform:uppercase;letter-spacing:.04em;padding:6px 10px;border-bottom:1px solid var(--line)}
.scn-table td{padding:9px 10px;border-bottom:1px solid var(--line);vertical-align:middle}
.scn-table th.num,.scn-table td.num{text-align:right;font-family:var(--mono)}
.scn-table td.mid{text-align:center;width:34px}
.scn-table tr.is-ref{background:color-mix(in srgb,var(--cyan) 8%,transparent)}
.scn-table tr.is-ref .scn-pn{color:var(--cyan-dk)}
.scn-pn{font-weight:600;color:var(--ink)}
.scn-meta{font-size:10.5px;color:var(--faint);font-family:var(--mono);margin-top:2px}
.scn-err{color:var(--red);font-size:11px}
.dlt{font-family:var(--mono);font-size:12px;font-weight:600}
.dlt.dpos{color:var(--green)} .dlt.dneg{color:var(--red)} .dlt.dzero{color:var(--faint);font-weight:400}
.scn-actions{white-space:nowrap;text-align:right}
.lnk{background:none;border:none;color:var(--cyan-dk);font-size:11.5px;cursor:pointer;padding:2px 6px;border-radius:6px}
.lnk:hover{background:var(--wash)} .lnk.danger{color:var(--red)}
.scn-brow{display:flex;align-items:center;gap:10px;margin:7px 0}
.scn-blab{flex:0 0 150px;font-size:11.5px;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.scn-btrack{flex:1;height:14px;background:var(--wash);border-radius:7px;overflow:hidden}
.scn-bfill{height:100%;border-radius:7px}
.scn-bval{flex:0 0 150px;text-align:right;font-family:var(--mono);font-size:11px;color:var(--muted)}
.scn-empty{color:var(--faint);font-size:12.5px;margin-top:14px;padding:14px;border:1px dashed var(--line);border-radius:10px;text-align:center}