:root{
  --yellow:#f2c31d; --yellow-d:#e0af00; --yellow-soft:#fef6d6;
  --ink:#16171d; --ink-2:#2a2c36; --paper:#ffffff; --bg:#f6f5f1; --bg-warm:#faf7ee;
  --muted:#8a8f9a; --line:#ecece6; --line-2:#e4e4dd;
  --good:#12805c; --good-soft:#e7f6ef; --bad:#c0392b; --warn:#b7791f; --warn-soft:#fdf3d9;
  --shadow:0 1px 2px rgba(22,23,29,.05),0 4px 14px rgba(22,23,29,.05);
  --shadow-lg:0 12px 34px -8px rgba(22,23,29,.22);
  --r:18px;
}
*{box-sizing:border-box}
body{margin:0;font-family:"Inter",-apple-system,Segoe UI,Roboto,system-ui,sans-serif;
  color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}

/* Topbar */
.topbar{display:flex;justify-content:space-between;align-items:center;background:var(--paper);
  padding:0 22px;height:60px;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.brand{font-size:16px;font-weight:800;letter-spacing:-.02em;display:flex;align-items:center;gap:9px}
.brand:before{content:"";width:26px;height:26px;border-radius:8px;background:var(--yellow);
  box-shadow:inset 0 0 0 3px var(--ink);display:inline-block}
.brand b{color:var(--ink)}
.top-controls select{margin-left:10px;padding:9px 13px;border-radius:11px;border:1px solid var(--line-2);
  font-size:13px;background:var(--bg-warm);color:var(--ink);cursor:pointer;font-weight:600}
.top-controls select:hover{border-color:var(--yellow-d)}

/* Layout */
.layout{display:flex;height:calc(100vh - 60px)}
.sidebar{width:216px;background:var(--ink);padding:16px 12px;flex-shrink:0;overflow:auto}
.sidebar a{display:flex;align-items:center;gap:11px;padding:12px 15px;color:#c7c9d1;text-decoration:none;
  font-size:14px;cursor:pointer;border-radius:12px;margin-bottom:3px;font-weight:600;transition:.13s}
.sidebar a:hover{background:var(--ink-2);color:#fff}
.sidebar a.active{background:var(--yellow);color:var(--ink);box-shadow:0 6px 16px -4px rgba(242,195,29,.5)}
.content{flex:1;overflow:auto;padding:30px 34px;background:var(--bg)}
h2{margin:0 0 6px;font-size:24px;font-weight:800;letter-spacing:-.03em}
h3{margin:0 0 10px;font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.07em;font-weight:700}

/* Segmented month tabs */
.tabs{display:inline-flex;gap:4px;background:#ecebe4;padding:5px;border-radius:14px;margin:16px 0 20px;flex-wrap:wrap}
.tabs button{border:0;background:transparent;padding:8px 15px;font-size:12.5px;font-weight:700;color:var(--muted);
  cursor:pointer;border-radius:10px;transition:.13s;letter-spacing:.02em}
.tabs button:hover:not(.active){color:var(--ink)}
.tabs button.active{background:var(--ink);color:var(--yellow);box-shadow:var(--shadow)}
.tabs button:disabled{opacity:.35;cursor:default}

/* Tabla */
.sheet-wrap{overflow:auto;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--shadow);max-height:calc(100vh - 240px)}
table.sheet{border-collapse:collapse;width:100%;font-size:13px}
table.sheet th{position:sticky;top:0;background:var(--ink);color:#e9eaee;padding:13px 15px;text-align:left;
  white-space:nowrap;font-weight:700;font-size:10.5px;text-transform:uppercase;letter-spacing:.05em;z-index:1}
table.sheet td{padding:12px 15px;border-bottom:1px solid #f2f1ec;white-space:nowrap;max-width:300px;
  overflow:hidden;text-overflow:ellipsis;color:#2f313a}
table.sheet tbody tr:hover{background:var(--yellow-soft)}
.num{text-align:right;font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
tr.suma td{background:var(--yellow-soft);font-weight:800;color:var(--ink);border-top:2px solid var(--yellow);
  border-bottom:0;position:sticky;bottom:0}
tr.sec td{background:#faf7ee;color:var(--warn);font-weight:800;text-transform:uppercase;font-size:10.5px;
  letter-spacing:.06em;padding:8px 15px}
.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:10.5px;font-weight:800}
.badge.ppd{background:var(--warn-soft);color:var(--warn)}
.badge.pue{background:var(--good-soft);color:var(--good)}

/* Cards / panorama */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(390px,1fr));gap:22px}
.card{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:var(--shadow)}
.card h3{color:var(--ink);font-size:14px;letter-spacing:0;text-transform:none;font-weight:800}
.kpis{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin:16px 0}
.kpi{background:var(--bg-warm);border-radius:14px;padding:15px 17px;border:1px solid var(--line-2)}
.kpi .l{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;font-weight:700}
.kpi .v{font-size:25px;font-weight:800;font-variant-numeric:tabular-nums;margin-top:5px;letter-spacing:-.03em}
.kpi.big{grid-column:span 2;background:var(--ink)}
.kpi.big .l{color:var(--yellow)}
.kpi.big .v{color:#fff}
.mini{width:100%;font-size:12px;border-collapse:collapse;margin-top:13px}
.mini th{padding:8px 10px;text-align:right;color:var(--muted);font-size:10.5px;text-transform:uppercase;
  border-bottom:1px solid var(--line-2);font-weight:700}
.mini td{padding:8px 10px;border-bottom:1px solid #f5f4ee;text-align:right;font-variant-numeric:tabular-nums}
.mini th:first-child,.mini td:first-child{text-align:left;font-weight:700}
.mini tr:hover td{background:var(--yellow-soft)}

/* Papel de trabajo */
.pt{max-width:660px;background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:var(--shadow)}
.pt>div:first-child{font-size:16px;font-weight:700;margin-bottom:6px}
.pt .fila{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid #f2f1ec;font-size:14px}
.pt .fila b{font-variant-numeric:tabular-nums;font-weight:700}
.pt .grp{margin:16px 0;padding:17px 19px;background:var(--bg-warm);border-radius:14px;border:1px solid var(--line-2)}
.pt .grp h3{margin-bottom:6px;color:var(--warn)}
.pt .fila.tot{border-bottom:0;font-weight:800;font-size:15px;color:var(--ink);margin-top:4px}
.pt .fila.tot b{font-size:20px;background:var(--yellow-soft);padding:2px 10px;border-radius:9px}

/* Paneles / forms */
.panel{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:26px;max-width:780px;box-shadow:var(--shadow)}
.row{display:flex;gap:12px;align-items:center;margin:13px 0;flex-wrap:wrap}
label{font-size:13px;color:var(--muted);font-weight:600}
input[type=text],input[type=password],select,textarea{padding:10px 13px;border:1px solid var(--line-2);
  border-radius:11px;font:inherit;background:var(--bg-warm)}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--yellow);background:#fff;box-shadow:0 0 0 3px var(--yellow-soft)}
button.btn{background:var(--ink);color:var(--yellow);border:0;padding:11px 20px;border-radius:12px;cursor:pointer;
  font-weight:800;font-size:14px;transition:.13s}
button.btn:hover{background:#000}
.drop{border:2px dashed #d8d6cc;border-radius:16px;padding:36px;text-align:center;color:var(--muted);
  background:var(--bg-warm);transition:.13s;margin:8px 0}
.drop:hover{border-color:var(--yellow-d);background:var(--yellow-soft)}
.muted{color:var(--muted);font-size:13px}
.ok{color:var(--good);font-weight:700}.err{color:var(--bad);font-weight:700}

/* Chat IA */
.chat{display:flex;flex-direction:column;height:calc(100vh - 210px);max-width:900px}
.chat-log{flex:1;overflow:auto;border:1px solid var(--line);border-radius:20px;background:var(--paper);padding:20px;box-shadow:var(--shadow)}
.msg{margin:12px 0;padding:13px 17px;border-radius:16px;max-width:78%;white-space:pre-wrap;font-size:14px;line-height:1.5}
.msg.u{background:var(--ink);color:#fff;margin-left:auto;border-bottom-right-radius:5px}
.msg.a{background:var(--yellow-soft);border:1px solid var(--line-2);border-bottom-left-radius:5px}
.msg .who{font-size:10px;text-transform:uppercase;opacity:.6;margin-bottom:4px;font-weight:800;letter-spacing:.06em}
.chat-in{display:flex;gap:10px;margin-top:12px}
.chat-in input{flex:1;border-radius:13px}
.tools{font-size:11px;color:var(--muted);margin-top:6px;font-style:italic}