:root{
  --ink:#132733; --ink-2:#1C3846; --ink-3:#27495B;
  --paper:#F3F6F5; --card:#FFFFFF; --line:#DDE6E4;
  --text:#22333D; --muted:#6B7F89;
  --amber:#E89B2E; --amber-soft:#FBEDD6;
  --red:#D14A4A; --red-soft:#FAE4E4;
  --green:#2C9A6A; --green-soft:#DDF2E8;
  --blue:#3D6E8F; --blue-soft:#E1EDF4;
  --violet:#7A5FA0; --violet-soft:#EDE6F6;
  --mono:'IBM Plex Mono',ui-monospace,monospace;
  --disp:'Archivo',sans-serif; --body:'Inter',system-ui,sans-serif;
  --r:10px; --shadow:0 1px 2px rgba(19,39,51,.06),0 4px 14px rgba(19,39,51,.05);
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%}
body{font-family:var(--body);background:var(--paper);color:var(--text);font-size:14px}
button,input,select{font-family:inherit}
button{cursor:pointer}
a{color:var(--blue)}

.topbar{height:56px;background:var(--ink);display:flex;align-items:center;gap:20px;padding:0 18px;color:#fff}
.menu-btn{display:none;background:none;border:1px solid #33505F;color:#fff;border-radius:8px;width:34px;height:34px;font-size:16px;flex-shrink:0}
.menu-btn:hover{border-color:#5B7A8A}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--disp);font-weight:800;font-size:17px}
.brand .dot{width:26px;height:26px;border-radius:8px;background:var(--amber);display:grid;place-items:center;color:var(--ink);font-size:13px}
.brand small{font-weight:600;color:#8FA6B1;font-size:10px;letter-spacing:1.4px;display:block;margin-top:-2px}
.live{display:flex;align-items:center;gap:7px;font-size:11px;color:#9FB4BE;font-weight:600;margin-left:auto;white-space:nowrap}
.live b{color:#fff;font-family:var(--mono)}
.pulse{width:8px;height:8px;border-radius:50%;background:#43C98B;animation:pulse 1.6s infinite}
.pulse.dry{background:var(--amber)}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(67,201,139,.5)}70%{box-shadow:0 0 0 7px rgba(67,201,139,0)}100%{box-shadow:0 0 0 0 rgba(67,201,139,0)}}
.userchip{display:flex;align-items:center;gap:9px;background:var(--ink-2);border-radius:999px;padding:5px 12px 5px 6px;font-size:12px}
.avatar{width:26px;height:26px;border-radius:50%;background:var(--blue);display:grid;place-items:center;font-weight:700;font-size:11px}
.userchip span small{display:block;color:#8FA6B1;font-size:10px}
.userchip button{background:none;border:1px solid #33505F;color:#B9C9D1;border-radius:999px;padding:4px 10px;font-size:11px;font-weight:600}
.userchip button:hover{color:#fff;border-color:#5B7A8A}

.shell{display:flex;height:calc(100% - 56px)}
.side{width:212px;background:var(--ink-2);padding:14px 10px;display:flex;flex-direction:column;gap:2px;flex-shrink:0;overflow-y:auto;overflow-x:hidden;transition:width .18s ease}
.side .nav-item, .side .sec{white-space:nowrap;overflow:hidden}
.collapse-btn{display:none;background:none;border:1px solid #33505F;color:#fff;border-radius:8px;width:34px;height:34px;font-size:14px;flex-shrink:0}
.collapse-btn:hover{border-color:#5B7A8A}
@media(min-width:861px){
  .collapse-btn{display:block}
  .side.collapsed{width:56px}
  .side.collapsed:hover{width:212px;z-index:35}
}
.side .sec{font-size:10px;letter-spacing:1.2px;color:#7A93A0;font-weight:700;padding:12px 10px 6px}
.nav-item{display:flex;align-items:center;gap:10px;color:#C4D3DA;border:none;background:none;width:100%;text-align:left;padding:9px 10px;border-radius:8px;font-size:13px;font-weight:500}
.nav-item:hover{background:var(--ink-3);color:#fff}
.nav-item.active{background:var(--amber);color:var(--ink);font-weight:700}
.nav-item .ic{width:18px;text-align:center;font-size:14px}
.nav-item .badge{margin-left:auto;background:var(--red);color:#fff;border-radius:999px;font-size:10px;font-weight:700;padding:2px 7px}
.nav-item.active .badge{background:var(--ink)}
.main{flex:1;min-width:0;overflow-y:auto;overflow-x:hidden;padding:22px 26px 60px}
.nav-scrim{display:none}

@media(max-width:860px){
  .menu-btn{display:block}
  .live{display:none}
  .userchip span{display:none}
  .shell{position:relative;overflow:hidden}
  .side{position:fixed;top:56px;left:0;bottom:0;z-index:40;transform:translateX(-100%);transition:transform .2s ease;box-shadow:4px 0 18px rgba(0,0,0,.25);overflow-y:auto}
  .side.open{transform:translateX(0)}
  .nav-scrim{display:none;position:fixed;top:56px;left:0;right:0;bottom:0;background:rgba(10,20,26,.45);z-index:30}
  .nav-scrim.open{display:block}
  .main{padding:16px 14px 60px}
}

h1.page{font-family:var(--disp);font-weight:800;font-size:22px;color:var(--ink)}
.page-sub{color:var(--muted);font-size:13px;margin-top:3px}
.page-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:18px;flex-wrap:wrap;gap:12px}
.btn{border:none;border-radius:8px;padding:9px 15px;font-weight:600;font-size:13px}
.btn-amber{background:var(--amber);color:var(--ink)}
.btn-ghost{background:#fff;border:1px solid var(--line);color:var(--text)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);max-width:100%;overflow-x:auto}
.grid{display:grid;gap:14px}
.kpis{grid-template-columns:repeat(auto-fit,minmax(168px,1fr));margin-bottom:16px}
.kpi{padding:14px 16px;position:relative;overflow:hidden}
.kpi .lbl{font-size:11px;font-weight:700;letter-spacing:.8px;color:var(--muted);text-transform:uppercase}
.kpi .val{font-family:var(--disp);font-weight:800;font-size:27px;color:var(--ink);margin-top:5px}
.kpi .bar{position:absolute;left:0;top:0;bottom:0;width:4px}
.tag{display:inline-block;border-radius:6px;padding:3px 8px;font-size:11px;font-weight:700}
.t-red{background:var(--red-soft);color:var(--red)}
.t-green{background:var(--green-soft);color:var(--green)}
.t-amber{background:var(--amber-soft);color:#A96A0E}
.t-blue{background:var(--blue-soft);color:var(--blue)}
.t-violet{background:var(--violet-soft);color:var(--violet)}
.t-grey{background:#EDF1F0;color:var(--muted)}
.mono{font-family:var(--mono);font-size:12.5px}
table{width:100%;border-collapse:collapse}
th{font-size:10.5px;letter-spacing:.8px;text-transform:uppercase;color:var(--muted);font-weight:700;text-align:left;padding:10px 14px;border-bottom:1px solid var(--line);background:#FAFCFB}
td{padding:11px 14px;border-bottom:1px solid #ECF1F0;font-size:13px;vertical-align:top}
tr:last-child td{border-bottom:none}
tr.row-click{cursor:pointer}
tr.row-click:hover td{background:#F6FAF9}
tr.row-click.active td{background:var(--amber-soft)}

.jobs{grid-template-columns:repeat(auto-fill,minmax(270px,1fr))}
.job{padding:15px 16px}
.job .top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:8px}
.job h4{font-family:var(--disp);font-size:15px;color:var(--ink)}
.job .veh{font-size:12.5px;color:var(--muted);margin-bottom:10px}
.job .kv{display:flex;justify-content:space-between;font-size:12.5px;padding:4px 0;border-top:1px dashed #ECF1F0}
.job .kv span:first-child{color:var(--muted)}
.job .foot{display:flex;gap:7px;margin-top:12px;flex-wrap:wrap}
.card-h{display:flex;align-items:center;justify-content:space-between;padding:13px 16px;border-bottom:1px solid var(--line);gap:10px;flex-wrap:wrap}
.card-h h3{font-family:var(--disp);font-size:14.5px;font-weight:700;color:var(--ink)}
.mini{border:1px solid var(--line);background:#fff;border-radius:7px;padding:7px 11px;font-size:12px;font-weight:600}
.mini:hover{border-color:var(--amber);background:var(--amber-soft)}
.mini.primary{background:var(--ink);color:#fff;border-color:var(--ink)}
.mini.primary:hover{background:var(--ink-3)}
.mini.danger{border-color:var(--red);color:var(--red)}
.note{background:var(--blue-soft);border:1px solid #CBDEEA;border-radius:var(--r);padding:11px 14px;font-size:12.5px;color:var(--ink);margin-bottom:16px}
.note.warn{background:var(--amber-soft);border-color:#EAD3A0}
.note b{color:var(--blue)}
.search{display:flex;gap:8px;margin-bottom:14px;flex-wrap:wrap}
.search input,.search select{border:1px solid var(--line);border-radius:8px;padding:9px 12px;font-size:13px;background:#fff;min-width:150px}
.toast{position:fixed;bottom:22px;right:22px;background:var(--ink);color:#fff;border-radius:10px;padding:12px 16px;font-size:13px;font-weight:600;box-shadow:0 8px 24px rgba(0,0,0,.25);opacity:0;transform:translateY(8px);transition:.25s;pointer-events:none;z-index:50}
.toast.show{opacity:1;transform:none}
.hide{display:none!important}
.modal-bg{position:fixed;inset:0;background:rgba(19,39,51,.45);display:flex;align-items:flex-start;justify-content:center;padding:40px 20px;overflow-y:auto;z-index:60}
.modal{background:#fff;border-radius:var(--r);max-width:720px;width:100%;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.modal .card-h{position:sticky;top:0;background:#fff;border-radius:var(--r) var(--r) 0 0}
.modal-body{padding:16px}
pre.payload{background:#0F1E27;color:#BFE3D0;padding:14px;border-radius:8px;font-family:var(--mono);font-size:11.5px;overflow-x:auto;max-height:320px}
form.stack{display:flex;flex-direction:column;gap:10px;padding:16px;max-width:420px}
form.stack label{font-size:12px;font-weight:600;color:var(--muted)}
form.stack input,form.stack select{border:1px solid var(--line);border-radius:7px;padding:9px 11px;font-size:13px}
.login-wrap{min-height:100%;display:flex;align-items:center;justify-content:center;background:var(--ink)}
.login-card{background:#fff;border-radius:14px;padding:34px;width:100%;max-width:360px;box-shadow:0 20px 60px rgba(0,0,0,.35)}
.login-card h1{font-family:var(--disp);color:var(--ink);font-size:19px;margin-bottom:4px}
.login-card p{color:var(--muted);font-size:12.5px;margin-bottom:20px}
.login-err{background:var(--red-soft);color:var(--red);border-radius:8px;padding:8px 11px;font-size:12.5px;margin-bottom:10px}

/* ---------- alert cards + disposition panel ---------- */
.alert-card{display:flex;gap:14px;padding:14px 16px;border-bottom:1px solid #ECF1F0;align-items:center}
.alert-card:last-child{border-bottom:none}
.sev{width:44px;height:44px;border-radius:10px;display:grid;place-items:center;font-size:19px;flex-shrink:0}
.sev.crit{background:var(--red-soft)}.sev.med{background:var(--amber-soft)}.sev.low{background:var(--blue-soft)}
.a-body{flex:1;min-width:0}
.a-top{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.a-title{font-weight:700;color:var(--ink);font-size:13.5px}
.a-meta{color:var(--muted);font-size:12px;margin-top:3px}
.sla{font-family:var(--mono);font-weight:600;font-size:12px;border-radius:6px;padding:4px 8px;white-space:nowrap}
.sla.ok{background:var(--green-soft);color:var(--green)}
.sla.warn{background:var(--amber-soft);color:#A96A0E}
.sla.breach{background:var(--red);color:#fff}
.a-actions{display:flex;gap:6px;flex-shrink:0}
.dispo{background:#F8FBFA;border-top:1px dashed var(--line);padding:12px 16px;display:none;gap:8px;flex-wrap:wrap;align-items:center}
.dispo.open{display:flex}
.dispo b{font-size:12px;color:var(--muted);margin-right:4px}
.mini.sel{background:var(--green);border-color:var(--green);color:#fff}

/* ---------- charts ---------- */
.chart-wrap{padding:16px}
.bars{display:flex;align-items:flex-end;gap:10px;height:150px;padding-top:8px}
.bcol{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;height:100%;justify-content:flex-end}
.bcol .b{width:100%;max-width:38px;border-radius:6px 6px 0 0;background:var(--blue);position:relative;transition:.3s}
.bcol .b.amb{background:var(--amber)}
.bcol label{font-size:10.5px;color:var(--muted);font-weight:600}
.legend{display:flex;gap:14px;font-size:11.5px;color:var(--muted);font-weight:600;padding:0 16px 12px}
.legend i{width:10px;height:10px;border-radius:3px;display:inline-block;margin-right:5px;vertical-align:-1px}
.donut-row{display:flex;align-items:center;gap:20px;padding:18px;flex-wrap:wrap}
.donut{width:120px;height:120px;border-radius:50%;flex-shrink:0;display:grid;place-items:center}
.donut .hole{width:76px;height:76px;border-radius:50%;background:#fff;display:grid;place-items:center;text-align:center;font-family:var(--disp);font-weight:800;font-size:19px;color:var(--ink)}
.donut .hole small{display:block;font-family:var(--body);font-weight:600;font-size:9.5px;color:var(--muted);letter-spacing:.5px}
.d-legend{display:flex;flex-direction:column;gap:8px;font-size:12.5px}
.d-legend .row{display:flex;align-items:center;gap:8px}
.d-legend i{width:10px;height:10px;border-radius:3px}
.d-legend b{margin-left:auto;font-family:var(--mono);font-size:12px}

/* ---------- timeline ---------- */
.timeline{padding:6px 18px 16px}
.tl-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed #ECF1F0}
.tl-item:last-child{border-bottom:none}
.tl-dot{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;font-size:14px;flex-shrink:0}
.tl-item .when{font-family:var(--mono);font-size:11px;color:var(--muted);margin-top:2px}
.two-col{display:grid;grid-template-columns:1.6fr 1fr;gap:14px}
@media(max-width:1000px){.two-col{grid-template-columns:1fr}}
.kpi .trend{font-size:11.5px;font-weight:600;margin-top:4px}
.up{color:var(--green)}.down{color:var(--red)}.flat{color:var(--muted)}

/* ---------- letters ---------- */
.letter{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:38px 44px;font-size:13.5px;line-height:1.65;color:#1E2C34}
.letter .lhead{display:flex;justify-content:space-between;align-items:flex-start;border-bottom:3px solid var(--ink);padding-bottom:14px;margin-bottom:20px}
.letter .lbrand{font-family:var(--disp);font-weight:800;font-size:20px;color:var(--ink)}
.letter .lbrand small{display:block;font-weight:600;font-size:10px;letter-spacing:1.4px;color:var(--muted)}
.letter .lref{font-family:var(--mono);font-size:11.5px;color:var(--muted);text-align:right;line-height:1.7}
.letter p{margin-bottom:10px}
.letter .sig{display:flex;justify-content:space-between;margin-top:38px}
.letter .sig div{border-top:1px solid #9FB0B8;padding-top:6px;font-size:12px;color:var(--muted);width:180px;text-align:center}

.page-loader{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;background:rgba(19,39,51,.12);backdrop-filter:blur(1.5px);opacity:0;pointer-events:none;transition:opacity .15s ease}
.page-loader.show{opacity:1;pointer-events:auto}
.page-loader .spinner{width:40px;height:40px;border-radius:50%;border:3px solid rgba(255,255,255,.5);border-top-color:var(--amber);background:var(--ink);box-shadow:var(--shadow);animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion: reduce){.page-loader .spinner{animation:none}}

.letter mark{background:var(--amber-soft);color:inherit;padding:0 3px;border-radius:3px;font-weight:600}
.letter table{margin:12px 0}
.letter table th{background:#FAFCFB;font-size:10px}
@media print{.topbar,.side,.nav-scrim,.page-head,#toast,.modal-bg .card-h,.modal-bg .btn,.modal-bg .search{display:none!important}.modal-bg{position:static;background:none}.modal-bg .modal{box-shadow:none;max-width:100%}}