/* ===================== base.css — núcleo de shell compartido =====================
     Extraído verbatim de css/styles.css (Task 2 · separación de módulos).
     Reglas de reporting/RRHH específicas permanecen en css/styles.css (se reparten
     en tasks posteriores). Es correcto que haya solape leve: el objetivo es que una
     página de shell estilada solo con base.css se vea correctamente. */

  :root{
    --bg:#eef1f4; --panel:#ffffff; --ink:#1e2a36; --muted:#76838f;
    --line:#e7ebf0; --brand:#15a07a; --brand-d:#0f8062; --brand-soft:#e6f4ef; --brand-ink:#0d7053;
    --pos:#1f9d6b; --neg:#dd5b4d; --warn:#c79233; --blue:#3168c4; --blue-soft:#e9f1fb;
    --shadow:0 1px 2px rgba(16,38,64,.04),0 6px 18px rgba(16,38,64,.06);
    --shadow-sm:0 1px 2px rgba(16,38,64,.05);
  }
  *{box-sizing:border-box}
  body{margin:0;font-family:"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink);font-size:13px}
  svg{display:block}

  /* ===================== Shell ===================== */
  .app{display:flex;min-height:100vh}
  .main{flex:1;min-width:0}
  /* nivel 3 = pestañas horizontales en el borde superior */
  .htabs{display:flex;flex-wrap:wrap;gap:6px 4px;align-items:center;padding:8px 24px;border-bottom:1px solid var(--line);background:var(--panel);position:sticky;top:56px;z-index:20}
  .htabs:empty{display:none}
  .htabs::-webkit-scrollbar{height:6px}
  .htab{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:9px;font-size:12.5px;font-weight:600;color:var(--muted);cursor:pointer;white-space:nowrap;flex:0 0 auto;text-decoration:none}
  .htab:hover{background:#f4f6f8;color:var(--ink)}
  .htab.active{background:var(--brand-soft);color:var(--brand-ink)}
  .htabs-empty{font-size:12px;color:var(--muted);padding:6px 10px}
  body.dark .htab:hover{background:#232c37}
  /* navegación en cascada de 3 columnas (colapsables / fijas) */
  .navcol{width:200px;flex:0 0 auto;background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;position:sticky;top:0;height:100vh;transition:width .15s}
  .navcol.collapsed{width:40px}
  .navcol-h{display:flex;align-items:center;gap:8px;padding:13px 10px;border-bottom:1px solid var(--line);min-height:52px}
  .navcol-h .logo.sm{width:28px;height:28px;border-radius:8px;font-size:14px;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:800;flex:0 0 auto}
  .navcol-title{flex:1;font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);white-space:nowrap;overflow:hidden}
  .navcol-tog{background:none;border:1px solid var(--line);color:var(--muted);cursor:pointer;font-size:14px;line-height:1;width:24px;height:24px;border-radius:7px;flex:0 0 auto;display:grid;place-items:center}
  .navcol-tog:hover{background:#f4f6f8;color:var(--ink)}
  .navcol.collapsed .navcol-title,.navcol.collapsed .navcol-body,.navcol.collapsed .navcol-foot,.navcol.collapsed .logo.sm{display:none}
  .navcol.collapsed .navcol-h{padding:13px 6px;justify-content:center}
  .navcol.collapsed .navcol-tog{transform:rotate(180deg)}
  .navcol-body{flex:1;overflow-y:auto;padding:8px;display:flex;flex-direction:column;gap:3px}
  /* Apps con pinLast (p.ej. "Configuración"): la primera entrada pinned se empuja
     al fondo de #col1Body (flex-column) y lleva una línea separadora, para que
     quede claramente aparte de las apps normales aunque haya pocas encima. */
  .nav-it-pinned-first{margin-top:auto;padding-top:11px;border-top:1px solid var(--line)}
  .navcol-foot{padding:10px 12px;border-top:1px solid var(--line);display:flex;align-items:center;gap:7px;font-size:11px;color:var(--muted)}
  .nav-it{display:flex;align-items:center;gap:9px;padding:9px 10px;border-radius:10px;color:var(--ink);font-size:12.5px;font-weight:600;cursor:pointer;white-space:normal;line-height:1.25;text-decoration:none}
  .nav-it svg{width:18px;height:18px;flex:0 0 auto;fill:none;stroke:var(--muted);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
  .nav-it .lbl{flex:1;min-width:0}
  .nav-empty{padding:18px 12px;text-align:center;font-size:12px;color:var(--muted);line-height:1.6}
  .nav-empty span{font-size:8.5px;font-weight:700;text-transform:uppercase;letter-spacing:.3px;background:#eef1f4;border-radius:6px;padding:2px 6px}
  body.dark .nav-empty span{background:#222b36}
  .nav-it:hover{background:#f4f6f8}
  .nav-it.sel{background:var(--brand-soft);color:var(--brand-ink)}
  .nav-it.sel svg{stroke:var(--brand)}
  .nav-it.disabled{color:var(--muted);opacity:.6;cursor:default}
  .nav-it.disabled:hover{background:transparent}
  .nav-it .chev{margin-left:auto;font-size:11px;color:var(--muted);flex:0 0 auto}
  .nav-it .soon{margin-left:auto;font-size:8.5px;font-weight:700;text-transform:uppercase;letter-spacing:.3px;color:var(--muted);background:#eef1f4;border-radius:6px;padding:2px 5px;flex:0 0 auto}
  body.dark .nav-it:hover,body.dark .navcol-tog:hover{background:#232c37}
  body.dark .nav-it .soon{background:#222b36}
  .nav-badge{margin-left:auto;min-width:18px;height:18px;padding:0 5px;border-radius:9px;background:#fdecea;color:var(--neg);font-size:10.5px;font-weight:800;display:none;align-items:center;justify-content:center}
  .nav-badge.show{display:inline-flex}

  .main{display:flex;flex-direction:column;min-width:0}
  .topbar{display:flex;align-items:center;gap:16px;padding:12px 24px;position:sticky;top:0;z-index:30;background:var(--bg)}
  .crumbs{font-size:13px;color:var(--muted)} .crumbs b{color:var(--ink);font-weight:700}
  .crumbs .crumb-link{cursor:pointer}
  .crumbs .crumb-link:hover{text-decoration:underline;color:var(--brand-ink)}
  .crumbs .crumb-sep{color:var(--muted);font-weight:400}
  .crumbs .crumb-cur{color:var(--ink)}
  .tb-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
  #langSel{background:var(--panel);border:1px solid var(--line);border-radius:10px;color:var(--ink);font-size:13px;padding:6px 8px;cursor:pointer}
  .tb-toggle{display:flex;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:3px;cursor:pointer}
  .tb-toggle span{width:28px;height:24px;display:grid;place-items:center;border-radius:7px}
  .tb-toggle span svg{width:15px;height:15px;fill:none;stroke:var(--muted);stroke-width:1.8}
  .tb-toggle span.on{background:#fdf3df}.tb-toggle span.on svg{stroke:var(--warn)}
  .tb-ic{position:relative;width:36px;height:36px;border-radius:10px;background:var(--panel);border:1px solid var(--line);display:grid;place-items:center;cursor:pointer}
  .tb-ic svg{width:17px;height:17px;fill:none;stroke:var(--muted);stroke-width:1.8;stroke-linejoin:round}
  .tb-ic.bell::after{content:'';position:absolute;top:8px;right:9px;width:6px;height:6px;border-radius:50%;background:var(--neg)}
  .avatar{width:36px;height:36px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:12px;font-weight:800}

  .content{padding:8px 24px 40px}

  .btn{display:inline-flex;align-items:center;gap:8px;background:var(--brand);color:#fff;border:none;border-radius:11px;padding:10px 16px;font-size:13px;font-weight:600;cursor:pointer;box-shadow:0 1px 2px rgba(21,160,122,.35)}
  .btn:hover{background:var(--brand-d)}
  .btn svg{width:15px;height:15px;fill:currentColor;stroke:none}
  .btn.ghost{background:var(--panel);color:var(--ink);border:1px solid var(--line);box-shadow:none}
  .btn.ghost svg{fill:none;stroke:currentColor;stroke-width:1.9}
  .btn.ghost:hover{border-color:var(--brand);color:var(--brand)}
  .btn.mini{padding:6px 12px;font-size:12px;border-radius:9px}

  /* ===================== KPI genérico ===================== */
  .kpi{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:14px 16px;box-shadow:var(--shadow);position:relative}
  .kpi .lbl{font-size:10px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted);font-weight:700}
  .kpi .val{font-size:23px;font-weight:800;margin-top:6px;color:var(--ink)}
  .kpi .val small{font-size:11px;font-weight:600;color:var(--muted)}
  .kpi .sub{font-size:11px;color:var(--muted);margin-top:4px}

  /* ===================== Panels & tables ===================== */
  .panel{background:var(--panel);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);margin-bottom:18px;overflow:hidden}
  .panel .phead{display:flex;align-items:center;gap:10px;padding:16px 18px;border-bottom:1px solid var(--line)}
  .panel .phead h3{margin:0;font-size:16px;font-weight:700}
  .panel .phead .note{font-size:12px;color:var(--muted)}
  /* Colapsar tarjetas con tabla (no las KPI) para reducir scroll vertical */
  .pcoll-tog{flex:0 0 auto;width:22px;height:22px;border:1px solid var(--line);border-radius:7px;background:var(--panel);color:var(--muted);cursor:pointer;font-size:11px;line-height:1;display:flex;align-items:center;justify-content:center;transition:transform .15s,color .15s}
  .pcoll-tog:hover{color:var(--brand-ink);border-color:var(--brand)}
  .panel.pcoll .pcoll-tog{transform:rotate(-90deg)}
  .panel.pcoll .phead{border-bottom:none}
  .panel.pcoll > *:not(.phead){display:none}
  .panelpad{padding:16px 18px}
  /* Tarjeta desplegada a pantalla completa */
  .panel.panel-full{position:fixed;inset:0;z-index:300;margin:0;border:none;border-radius:0;box-shadow:none;
    display:flex;flex-direction:column;background:var(--panel)}
  .panel.panel-full .phead{flex:0 0 auto}
  .panel.panel-full .panelpad{flex:1 1 auto;min-height:0;display:flex;padding:0 16px 16px}
  body.has-full{overflow:hidden}

  /* ===================== Tema oscuro ===================== */
  body.dark{
    --bg:#0f141b; --panel:#1a212b; --ink:#e7edf3; --muted:#8b97a4; --line:#2a323d;
    --brand:#1bb189; --brand-d:#159372; --brand-soft:#16302a; --brand-ink:#62d3ad;
    --blue:#5b8def; --blue-soft:#1b2740; --warn:#d6a447; --neg:#e9695b; --pos:#3bbd86;
    --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.45); --shadow-sm:0 1px 2px rgba(0,0,0,.4);
  }
  body.dark .nav-badge{background:#3a1f1d}
  body.dark .tb-toggle span.on{background:#26303d}
  body.dark .tb-toggle span.on svg{stroke:#9fb3c8}

  @media(max-width:760px){.navcol{width:150px}.navcol#col2{display:none}}