:root{
  --navy:#0B3D91; --navy-d:#082a66; --blue:#1976d2; --sky:#e8f0fe;
  --bg:#f4f6fb; --panel:#ffffff; --ink:#1a2233; --muted:#6b7690; --line:#e3e8f2;
  --ok:#1a9d5a; --ok-bg:#e6f6ec; --warn:#c9820a; --warn-bg:#fef3d9;
  --crit:#d1384a; --crit-bg:#fdE7ea; --shadow:0 1px 3px rgba(16,24,48,.08),0 4px 16px rgba(16,24,48,.06);
  --r:12px;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink);font-size:14px}
a{color:var(--blue);text-decoration:none}
button{font-family:inherit;cursor:pointer}
.hidden{display:none!important}

/* ---------- Login ---------- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--navy),#123a86 60%,#1f5fbf)}
.login-card{background:#fff;border-radius:16px;box-shadow:var(--shadow);padding:36px;width:380px}
.login-card h1{font-size:19px;margin:0 0 4px}
.login-card p.sub{color:var(--muted);margin:0 0 22px;font-size:13px}
.brand-dot{width:42px;height:42px;border-radius:11px;background:var(--navy);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;margin-bottom:14px}
label{display:block;font-weight:600;margin:12px 0 6px;font-size:13px}
input,select,textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:9px;font-size:14px;background:#fff}
input:focus,select:focus,textarea:focus{outline:2px solid var(--sky);border-color:var(--blue)}
.btn{background:var(--navy);color:#fff;border:0;border-radius:9px;padding:11px 16px;font-weight:600;font-size:14px}
.btn:hover{background:var(--navy-d)}
.btn:disabled{background:#aeb6c8;cursor:not-allowed}
.btn.sec{background:#fff;color:var(--navy);border:1px solid var(--line)}
.btn.sec:hover{background:var(--sky)}
.btn.sm{padding:7px 12px;font-size:13px}
.err{color:var(--crit);font-size:13px;margin-top:10px;min-height:18px}

/* ---------- Shell ---------- */
.shell{display:flex;min-height:100vh}
.side{width:86px;background:var(--navy);color:#dbe6ff;flex-shrink:0;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.side .logo{padding:16px 0;display:flex;justify-content:center;border-bottom:1px solid rgba(255,255,255,.12)}
.side .logo .d{width:38px;height:38px;border-radius:11px;background:#fff;color:var(--navy);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:15px}
.nav{padding:8px 8px;flex:1;overflow-y:auto;overflow-x:hidden}
.nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;color:#c7d6f5;padding:9px 4px;border-radius:12px;font-weight:600;font-size:10.5px;text-align:center;line-height:1.1;margin-bottom:3px;cursor:pointer;transition:.12s}
.nav a .i{font-size:19px;line-height:1}
.nav a .t{white-space:nowrap}
.nav a:hover{background:rgba(255,255,255,.10);color:#fff}
.nav a.active{background:#fff;color:var(--navy);box-shadow:0 2px 8px rgba(0,0,0,.15)}
/* Énfasis: botón principal de Cargar */
.nav a.cta{background:var(--blue);color:#fff;border:2px solid #fff;padding:11px 4px;margin:2px 2px 10px;box-shadow:0 3px 10px rgba(0,0,0,.25)}
.nav a.cta .i{font-size:21px}
.nav a.cta:hover{background:#1565c0;color:#fff}
.nav a.cta.active{background:#fff;color:var(--navy);border-color:#fff}
.nav .sep{height:1px;background:rgba(255,255,255,.14);margin:8px 12px}
.side .who{padding:12px 6px;border-top:1px solid rgba(255,255,255,.12);text-align:center}
.side .who .avatar{width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.18);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;margin:0 auto 5px}
.side .who .rol{font-size:9.5px;color:#b9caee;text-transform:capitalize;line-height:1.2;word-break:break-word}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{background:#fff;border-bottom:1px solid var(--line);padding:14px 24px;display:flex;align-items:center;gap:16px;position:sticky;top:0;z-index:5}
.topbar h2{margin:0;font-size:17px}
.topbar .spacer{flex:1}
.pill{background:var(--sky);color:var(--navy);border-radius:20px;padding:5px 12px;font-size:12px;font-weight:600}
.content{padding:22px 24px;max-width:1400px;width:100%}

/* ---------- Cards / KPIs ---------- */
.grid{display:grid;gap:16px}
.kpis{grid-template-columns:repeat(auto-fill,minmax(210px,1fr))}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
.kpi{padding:16px 18px}
.kpi .lbl{color:var(--muted);font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.03em;display:flex;align-items:center;gap:6px}
.kpi .val{font-size:28px;font-weight:800;margin-top:6px;line-height:1.1}
.kpi .sub{font-size:12px;color:var(--muted);margin-top:4px}
.kpi.good{border-left:4px solid var(--ok)} .kpi.warn{border-left:4px solid var(--warn)} .kpi.crit{border-left:4px solid var(--crit)}
.tag{display:inline-block;padding:2px 9px;border-radius:20px;font-size:11px;font-weight:700}
.tag.ok{background:var(--ok-bg);color:var(--ok)} .tag.warn{background:var(--warn-bg);color:var(--warn)} .tag.crit{background:var(--crit-bg);color:var(--crit)}
.section-title{font-size:15px;font-weight:700;margin:26px 0 12px;display:flex;align-items:center;gap:8px}
.panel{padding:18px}
.panel h3{margin:0 0 12px;font-size:14px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.row3{display:grid;grid-template-columns:2fr 1fr;gap:16px}
@media(max-width:900px){.row2,.row3{grid-template-columns:1fr}}

/* ---------- Tables ---------- */
.tbl-wrap{overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:13px}
th,td{padding:9px 11px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
th{background:#f7f9fd;font-weight:700;color:#41506e;position:sticky;top:0;cursor:pointer;user-select:none}
th:hover{background:#eef3fb}
tbody tr:hover{background:#fafcff}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
.mini{font-size:12px;color:var(--muted)}
.toolbar{display:flex;gap:10px;align-items:center;margin-bottom:12px;flex-wrap:wrap}
.toolbar input[type=search]{max-width:260px}
.hl{background:#fff6d6!important}

/* ---------- Upload ---------- */
.drops{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:900px){.drops{grid-template-columns:1fr}}
.drop{border:2px dashed var(--line);border-radius:var(--r);padding:22px;text-align:center;background:#fff;transition:.15s}
.drop.over{border-color:var(--blue);background:var(--sky)}
.drop.filled{border-style:solid;border-color:var(--ok);background:var(--ok-bg)}
.drop h4{margin:0 0 6px;font-size:14px}
.drop .fn{font-size:12px;color:var(--ink);font-weight:600;margin-top:8px;word-break:break-all}
.drop .meta{font-size:11px;color:var(--muted)}
.stages{display:flex;flex-direction:column;gap:8px;margin-top:8px}
.stage{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
.stage .dot{width:18px;height:18px;border-radius:50%;border:2px solid var(--line);flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:11px}
.stage.done .dot{background:var(--ok);border-color:var(--ok);color:#fff}
.stage.active{color:var(--ink);font-weight:700}
.stage.active .dot{border-color:var(--blue);animation:pulse 1s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(25,118,210,.4)}50%{box-shadow:0 0 0 5px rgba(25,118,210,0)}}
.progress{height:8px;background:var(--line);border-radius:6px;overflow:hidden;margin:14px 0}
.progress>i{display:block;height:100%;background:linear-gradient(90deg,var(--blue),var(--navy));transition:width .3s}
.problem{background:var(--crit-bg);border:1px solid #f3c6cd;border-radius:9px;padding:10px 12px;margin-bottom:8px;font-size:13px}
.problem b{color:var(--crit)}
.note{background:var(--sky);border-radius:9px;padding:10px 12px;font-size:12.5px;color:#2c4a86}
.delta-up{color:var(--ok);font-weight:700}.delta-down{color:var(--crit);font-weight:700}.delta-flat{color:var(--muted)}
.spin{width:16px;height:16px;border:2px solid var(--line);border-top-color:var(--navy);border-radius:50%;display:inline-block;animation:sp .7s linear infinite;vertical-align:-3px}
@keyframes sp{to{transform:rotate(360deg)}}
.chart-box{position:relative;height:300px}
.chart-box.sm{height:240px}
.legend-note{font-size:11px;color:var(--muted);margin-top:6px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}