:root{
  color-scheme: light;
  --bg:#f4f3ef; --surface-1:#fcfcfb; --surface-2:#f0efec; --border:#e2e0da;
  --text-primary:#0b0b0b; --text-secondary:#52514e; --text-muted:#7a7974;
  --accent:#256abf; --accent-ink:#ffffff; --accent-soft:#e6effa;
  --series-1:#2a78d6; --series-2:#eb6834; --series-3:#1baf7a; --series-4:#eda100;
  --grid:#e8e6e0;
  --good:#0ca30c; --warning:#fab219; --serious:#ec835a; --critical:#d03b3b;
  --good-ink:#006300; --warning-ink:#8a5a00; --critical-ink:#a52626;
  --seq-250:#86b6ef; --seq-350:#5598e7; --seq-450:#2a78d6; --seq-550:#1c5cab; --seq-650:#104281;
  --shadow:0 1px 2px rgba(0,0,0,.05),0 2px 8px rgba(0,0,0,.04);
  --radius:12px;
  font-family:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
@media (prefers-color-scheme: dark){
  :root{
    color-scheme: dark;
    --bg:#121211; --surface-1:#1a1a19; --surface-2:#242422; --border:#34332f;
    --text-primary:#f0efec; --text-secondary:#c3c2b7; --text-muted:#8f8e86;
    --accent:#3987e5; --accent-ink:#0b0b0b; --accent-soft:#1d2a3a;
    --series-1:#3987e5; --series-2:#d95926; --series-3:#199e70; --series-4:#c98500;
    --grid:#2c2c29;
    --good-ink:#5fd35f; --warning-ink:#fab219; --critical-ink:#ef7a7a;
    --seq-250:#184f95; --seq-350:#1c5cab; --seq-450:#2a78d6; --seq-550:#5598e7; --seq-650:#86b6ef;
    --shadow:none;
  }
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{background:var(--bg);color:var(--text-primary);font-size:14px;line-height:1.45}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--accent)}
.app{display:grid;grid-template-columns:248px 1fr;min-height:100vh}
/* sidebar */
.side{background:var(--surface-1);border-right:1px solid var(--border);padding:16px 12px;position:sticky;top:0;height:100vh;overflow:auto}
.brand{display:flex;gap:10px;align-items:center;padding:4px 8px 14px}
.brand-mark{width:34px;height:34px;border-radius:9px;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;font-weight:800}
.brand b{display:block;font-size:14px}.brand span{font-size:12px;color:var(--text-muted)}
.nav-group{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);padding:14px 10px 4px;font-weight:600}
.nav a{display:flex;gap:10px;align-items:center;padding:7px 10px;border-radius:8px;color:var(--text-secondary);text-decoration:none;font-weight:500}
.nav a:hover{background:var(--surface-2)}
.nav a.on{background:var(--accent-soft);color:var(--text-primary)}
.nav .num{width:22px;height:22px;border-radius:6px;background:var(--surface-2);display:grid;place-items:center;font-size:11px;font-weight:700;color:var(--text-secondary);flex:none}
.nav a.on .num{background:var(--accent);color:var(--accent-ink)}
.nav a.locked{opacity:.38;pointer-events:none}
/* main */
.main{min-width:0}
.top{display:flex;align-items:center;gap:12px;padding:12px 24px;background:var(--surface-1);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:5;flex-wrap:wrap}
.top h1{font-size:18px;margin:0;flex:1;min-width:200px}
.top .sub{display:block;font-size:12px;color:var(--text-muted);font-weight:400}
.pill{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;background:var(--surface-2);font-size:12px;color:var(--text-secondary);white-space:nowrap}
.demo-banner{background:#fff6dd;color:#5c4100;border-bottom:1px solid #f1dc9c;padding:7px 24px;font-size:12.5px}
@media (prefers-color-scheme: dark){.demo-banner{background:#2d2615;color:#f3d891;border-color:#4a3d16}}
.content{padding:20px 24px 60px;max-width:1400px}
.menu-btn{display:none}
/* cards & grid */
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.g-2-1{grid-template-columns:minmax(0,2fr) minmax(0,1fr)}
.g-1-2{grid-template-columns:minmax(0,1fr) minmax(0,2fr)}
.card{background:var(--surface-1);border:1px solid var(--border);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);min-width:0}
.card h3{margin:0 0 4px;font-size:14.5px}
.card .hint{margin:0 0 12px;color:var(--text-muted);font-size:12.5px}
.sec-title{font-size:13px;font-weight:700;margin:22px 0 10px;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em}
.lead{color:var(--text-secondary);margin:0 0 16px;max-width:900px}
/* KPI */
.kpi{display:flex;flex-direction:column;gap:6px}
.kpi .lbl{font-size:12.5px;color:var(--text-secondary)}
.kpi .val{font-size:28px;font-weight:700;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.kpi .foot{font-size:12px;color:var(--text-muted);display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.status{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:600;padding:2px 8px 2px 4px;border-radius:999px;background:var(--surface-2)}
.status i{font-style:normal;width:16px;height:16px;border-radius:50%;display:grid;place-items:center;font-size:10px;color:#fff;font-weight:800}
.status.good{color:var(--good-ink)} .status.good i{background:var(--good)}
.status.warn{color:var(--warning-ink)} .status.warn i{background:var(--warning);color:#3a2700}
.status.bad{color:var(--critical-ink)} .status.bad i{background:var(--critical)}
/* tables */
.tbl-wrap{overflow:auto;max-height:440px;border:1px solid var(--border);border-radius:10px}
table{border-collapse:collapse;width:100%;font-size:13px}
th,td{padding:8px 10px;text-align:left;border-bottom:1px solid var(--border);white-space:nowrap}
th{position:sticky;top:0;background:var(--surface-2);font-weight:600;color:var(--text-secondary);font-size:12px;z-index:1}
td.n,th.n{text-align:right;font-variant-numeric:tabular-nums}
tr:last-child td{border-bottom:none}
td select{width:auto;padding:4px 6px}
tbody tr:hover{background:var(--surface-2)}
tr.click{cursor:pointer}
/* forms */
.form{display:grid;gap:10px}
.form .row{display:grid;gap:10px;grid-template-columns:repeat(2,minmax(0,1fr))}
label.f{display:flex;flex-direction:column;gap:4px;font-size:12.5px;color:var(--text-secondary);font-weight:500}
input[type=text],input[type=number],input[type=date],input[type=datetime-local],input[type=time],input[type=email],input[type=tel],select,textarea{
  border:1px solid var(--border);background:var(--surface-1);border-radius:8px;padding:8px 10px;width:100%;min-width:0}
textarea{min-height:80px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:-1px}
.check{display:flex;gap:8px;align-items:flex-start;font-size:13px}
.check input{margin-top:3px}
.consent{background:var(--surface-2);border-radius:10px;padding:10px 12px;font-size:12.5px;color:var(--text-secondary)}
.btn{border:1px solid var(--border);background:var(--surface-1);padding:8px 14px;border-radius:8px;cursor:pointer;font-weight:600;font-size:13px}
.btn:hover{background:var(--surface-2)}
.btn.pri{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.pri:hover{filter:brightness(1.07)}
.btn.sm{padding:4px 10px;font-size:12px}
.btn.danger{color:var(--critical-ink)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.msg{border-radius:10px;padding:10px 12px;font-size:13px;margin-top:4px}
.msg.ok{background:color-mix(in srgb,var(--good) 12%,transparent);color:var(--good-ink)}
.msg.warn{background:color-mix(in srgb,var(--warning) 18%,transparent);color:var(--warning-ink)}
.msg.bad{background:color-mix(in srgb,var(--critical) 12%,transparent);color:var(--critical-ink)}
.msg.info{background:var(--accent-soft);color:var(--text-primary)}
/* AI box */
.ai{border:1px dashed color-mix(in srgb,var(--accent) 55%,transparent);background:color-mix(in srgb,var(--accent) 5%,var(--surface-1))}
.ai h3::before{content:"IA · ";color:var(--accent)}
.ai-note{font-size:11.5px;color:var(--text-muted);margin-top:8px}
/* alerts */
.alerts{display:flex;flex-direction:column;gap:8px}
.alert{display:flex;gap:10px;align-items:flex-start;padding:10px 12px;border-radius:10px;background:var(--surface-2);font-size:13px}
.alert .ic{flex:none;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;color:#fff;font-size:11px;font-weight:800}
.alert.bad .ic{background:var(--critical)} .alert.warn .ic{background:var(--warning);color:#3a2700} .alert.good .ic{background:var(--good)} .alert.info .ic{background:var(--accent)}
.alert small{display:block;color:var(--text-muted)}
/* bars */
.hbars{display:flex;flex-direction:column;gap:7px}
.hbar{display:grid;grid-template-columns:minmax(90px,170px) 1fr 74px;gap:10px;align-items:center;font-size:12.5px}
.hbar .l{color:var(--text-secondary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hbar .t{position:relative;height:14px;background:var(--surface-2);border-radius:4px}
.hbar .b{position:absolute;left:0;top:0;bottom:0;border-radius:0 4px 4px 0;background:var(--series-1)}
.hbar .m{position:absolute;top:-3px;bottom:-3px;width:2px;background:var(--text-primary);border-radius:1px}
.hbar .v{text-align:right;font-variant-numeric:tabular-nums;color:var(--text-primary)}
.funnel{display:flex;flex-direction:column;gap:6px}
.funnel .st{display:grid;grid-template-columns:130px 1fr 90px;gap:10px;align-items:center;font-size:13px}
.funnel .bar{height:26px;border-radius:0 6px 6px 0}
.funnel .v{font-variant-numeric:tabular-nums;text-align:right}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:12px;color:var(--text-secondary);margin-bottom:8px}
.legend span{display:inline-flex;gap:6px;align-items:center}
.legend i{width:10px;height:10px;border-radius:3px;display:inline-block}
.legend i.line{height:3px;width:14px;border-radius:2px}
svg text{fill:var(--text-muted);font-size:11px;font-family:inherit}
svg .lbl-strong{fill:var(--text-primary);font-weight:600}
.band .guide{opacity:0;stroke:var(--text-muted);stroke-width:1;stroke-dasharray:3 3}
.band:hover .guide{opacity:1}
.mark{cursor:pointer}
.mark:hover{filter:brightness(1.12)}
#tip{position:fixed;pointer-events:none;z-index:50;background:var(--text-primary);color:var(--surface-1);padding:7px 10px;border-radius:8px;font-size:12px;max-width:280px;opacity:0;transition:opacity .08s;line-height:1.4;white-space:pre-line}
/* tabs */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:16px;flex-wrap:wrap}
.tabs button{border:none;background:none;padding:8px 12px;cursor:pointer;color:var(--text-secondary);font-weight:600;border-bottom:2px solid transparent;margin-bottom:-1px}
.tabs button.on{color:var(--text-primary);border-color:var(--accent)}
.filters{display:flex;gap:10px;align-items:end;flex-wrap:wrap;margin-bottom:16px}
.filters label.f{min-width:160px}
.tag{display:inline-block;padding:1px 8px;border-radius:999px;font-size:11.5px;font-weight:600;background:var(--surface-2);color:var(--text-secondary)}
.tag.b{background:color-mix(in srgb,var(--series-1) 15%,transparent);color:var(--text-primary)}
.tag.o{background:color-mix(in srgb,var(--series-2) 15%,transparent);color:var(--text-primary)}
.tag.a{background:color-mix(in srgb,var(--series-3) 15%,transparent);color:var(--text-primary)}
.tag.y{background:color-mix(in srgb,var(--series-4) 20%,transparent);color:var(--text-primary)}
.muted{color:var(--text-muted)} .small{font-size:12px}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}
.phone{max-width:380px;margin:0 auto;border:10px solid #222;border-radius:34px;padding:16px 14px;background:var(--surface-1);box-shadow:0 10px 30px rgba(0,0,0,.15)}
.phone .ph-top{text-align:center;font-weight:700;margin-bottom:10px}
.toast{position:fixed;right:20px;bottom:20px;z-index:60;display:flex;flex-direction:column;gap:8px}
.toast div{background:var(--text-primary);color:var(--surface-1);padding:10px 14px;border-radius:10px;font-size:13px;max-width:360px;box-shadow:0 6px 20px rgba(0,0,0,.2)}
.org{display:flex;flex-direction:column;gap:6px}
.org-node{padding:6px 10px;border-radius:8px;background:var(--surface-2);font-size:13px;display:flex;justify-content:space-between;gap:10px}
.org-children{margin-left:18px;border-left:2px solid var(--border);padding-left:10px;display:flex;flex-direction:column;gap:6px}
details summary{cursor:pointer;list-style:none}
details summary::-webkit-details-marker{display:none}
.crumbs{display:flex;gap:6px;align-items:center;font-size:13px;margin-bottom:10px;flex-wrap:wrap}
.crumbs button{border:none;background:none;color:var(--accent);cursor:pointer;padding:0;font-weight:600}
.empty{padding:20px;text-align:center;color:var(--text-muted)}
.matrix td,.matrix th{text-align:center}
.matrix td:first-child,.matrix th:first-child{text-align:left}
@media (max-width:1100px){.g4{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:860px){
  .app{grid-template-columns:1fr}
  .side{position:fixed;left:0;top:0;z-index:30;width:270px;transform:translateX(-100%);transition:transform .2s;box-shadow:0 0 30px rgba(0,0,0,.2)}
  .side.open{transform:none}
  .menu-btn{display:inline-flex}
  .g2,.g3,.g-2-1,.g-1-2{grid-template-columns:1fr}
  .g4{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .kpi .val{font-size:22px}
  .content{padding:16px}
  .top{padding:10px 16px}
  .form .row{grid-template-columns:1fr}
  .hbar{grid-template-columns:100px 1fr 60px}
}

/* ====== Aplicación real: piezas adicionales ====== */
.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:20px}
.auth-card{width:100%;max-width:420px}
.auth-card .brand{justify-content:center;padding-bottom:18px}
.dialog-bg{position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:40;display:grid;place-items:center;padding:16px}
.dialog{background:var(--surface-1);border-radius:14px;padding:18px;max-width:560px;width:100%;max-height:90vh;overflow:auto;box-shadow:0 20px 50px rgba(0,0,0,.25)}
.dialog h3{margin-top:0}
.loading{padding:40px;text-align:center;color:var(--text-muted)}
.pager{display:flex;gap:8px;align-items:center;justify-content:flex-end;margin-top:8px;font-size:12.5px}
.code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:var(--surface-2);padding:2px 6px;border-radius:6px;font-weight:700;letter-spacing:.05em}
.map{height:420px;border-radius:10px;border:1px solid var(--border)}
.qr img{width:200px;height:200px;background:#fff;border-radius:8px;padding:6px}
.side-foot{padding:14px 10px;border-top:1px solid var(--border);margin-top:14px;display:flex;flex-direction:column;gap:8px}
.badge-rol{display:inline-block;padding:2px 8px;border-radius:999px;background:var(--accent-soft);font-size:11.5px;font-weight:600}
.err-box{white-space:pre-wrap}