:root{
  --bg:#f4f5f7;--panel:#fff;--line:#c3cad3;--line-soft:#e2e6ec;--text:#1b2027;--muted:#6b7683;
  --head:#eef1f5;--sel:#2f7de1;--sel-text:#fff;--accent:#5b2a86;--btn:#f0f1f3;--btn-line:#b7bfc9;
  --hi:#c0272d;--lo:#1f5fbf;--ok:#1c7a4a;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{font-family:"Segoe UI",system-ui,Roboto,Arial,sans-serif;font-size:12.5px;color:var(--text);background:var(--bg)}
.layout{display:flex;height:100vh}

/* menú lateral */
.side{width:230px;flex-shrink:0;background:var(--panel);border-right:1px solid var(--line);overflow:auto;padding:8px 0}
.side h2{font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);margin:12px 12px 4px}
.side .group{font-weight:600;color:var(--text);padding:4px 12px;margin-top:6px}
.side a{display:block;padding:3px 12px 3px 22px;color:#33404f;text-decoration:none;cursor:pointer;font-size:12px}
.side a:hover{background:#eef4fc}
.side a.active{background:var(--sel);color:#fff}
.brand{padding:10px 12px;border-top:1px solid var(--line-soft);color:var(--accent);font-weight:700;margin-top:10px}
.brand small{display:block;color:var(--muted);font-weight:400}

/* cabecera de marca: icono de laboratorio + nombre + usuario conectado */
.brand-top{display:flex;align-items:center;gap:10px;padding:14px 14px 12px}
.brand-icon{position:relative;flex-shrink:0;width:36px;height:36px;border-radius:10px;
  background:linear-gradient(135deg,var(--accent),#8a4fc4);box-shadow:0 2px 8px rgba(91,42,134,.35);
  display:flex;align-items:center;justify-content:center;color:#fff}
.brand-icon svg{width:19px;height:19px}
.brand-dot{position:absolute;right:-2px;bottom:-2px;width:9px;height:9px;border-radius:50%;
  background:var(--muted);border:2px solid var(--panel)}
.brand-dot.ok{background:var(--ok)}
.brand-dot.bad{background:var(--hi)}
.brand-info{min-width:0;flex:1}
.brand-name{font-weight:800;color:var(--accent);font-size:15px;letter-spacing:.4px;line-height:1.2}
.brand-user{font-size:11px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-user a{color:var(--sel);text-decoration:none;margin-left:5px}
.brand-user a:hover{text-decoration:underline}
.status-error{margin:0 12px 10px;padding:6px 8px;background:#fbeaea;border:1px solid #e0a3a3;
  color:#a12;border-radius:4px;font-size:11px}

/* grupos de menú plegables ("persiana"): todos salvo Peticiones */
.menu-group{margin-top:2px}
.menu-head{display:flex;align-items:center;gap:6px;font-size:11px;text-transform:uppercase;
  letter-spacing:.5px;color:var(--muted);margin:12px 12px 4px;cursor:pointer;user-select:none}
.menu-head:hover{color:var(--text)}
.menu-chev{display:inline-block;font-size:9px;transition:transform .18s}
.menu-group.open .menu-chev{transform:rotate(90deg)}
.menu-body{max-height:0;overflow:hidden;transition:max-height .22s ease}
.menu-group.open .menu-body{max-height:1200px}

/* contenido */
.main{flex:1;overflow:auto;padding:14px 16px}
.main h1{font-size:16px;margin:0 0 12px;font-weight:600}
.bar{display:flex;gap:8px;align-items:center;margin-bottom:10px;flex-wrap:wrap}
.bar label{color:var(--muted)}
input,select{font-family:inherit;font-size:12.5px;padding:3px 6px;height:26px;border:1px solid var(--line);border-radius:2px;background:#fff;color:var(--text)}
input:focus,select:focus{outline:2px solid #9bc2f0;outline-offset:-1px;border-color:var(--sel)}
.btn{padding:4px 13px;border:1px solid var(--btn-line);background:var(--btn);cursor:pointer;border-radius:3px;font-size:12px;height:27px}
.btn:hover{background:#e4e9f1}.btn:active{background:#d7dee8}
.btn.primary{background:#eaf1fb;border-color:#9bc2f0}
.btn.danger{background:#fbeaea;border-color:#e0a3a3;color:#a12}
.grow{flex:1}

/* tabla */
.grid-wrap{background:var(--panel);border:1px solid var(--line-soft);border-radius:4px;overflow:auto}
table{width:100%;border-collapse:collapse}
th{position:sticky;top:0;background:var(--head);text-align:left;font-weight:600;font-size:11px;color:var(--muted);padding:5px 8px;border-bottom:1px solid var(--line);white-space:nowrap;z-index:1}
td{padding:3px 8px;border-bottom:1px solid #f1f3f6;font-size:12px;white-space:nowrap;max-width:340px;overflow:hidden;text-overflow:ellipsis}
tbody tr{cursor:pointer}
tbody tr:hover td{background:#f7f9fc}
tbody tr.sel td{background:#e7f0fc}
.pill{display:inline-block;background:#eef1f5;border:1px solid var(--line-soft);border-radius:3px;padding:0 6px;color:var(--muted);font-size:11px}

/* formulario de edición (panel deslizante) */
.editor{position:fixed;top:0;right:0;width:640px;max-width:92vw;height:100vh;background:#fff;border-left:1px solid var(--line);box-shadow:-8px 0 24px rgba(0,0,0,.12);transform:translateX(100%);transition:transform .18s;overflow:auto;z-index:20}
.editor.open{transform:translateX(0)}
.editor .ehead{display:flex;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid var(--line-soft);position:sticky;top:0;background:#fff;z-index:2}
.editor h3{margin:0;font-size:14px}
.editor .ebody{padding:14px 16px}
.frow{display:grid;grid-template-columns:150px 26px 1fr;gap:6px 8px;align-items:center;margin-bottom:7px}
.frow.noicon{grid-template-columns:150px 1fr}
.frow.noicon input,.frow.noicon select{grid-column:2}
.frow label{color:var(--muted);font-size:11.5px;text-align:right}
.frow input,.frow select{width:100%}
.frow.readonly input{background:#f3f4f6;color:var(--muted)}
.fk-badge{width:22px;height:22px;border-radius:4px;display:flex;align-items:center;justify-content:center;font-size:9.5px;font-weight:700;flex-shrink:0}

/* campo principal (Nombre) destacado sobre las pestañas */
.frow-main{margin-bottom:12px}
.frow-main label{display:block;color:var(--muted);font-size:11px;margin-bottom:3px}
.frow-main input{width:100%;height:32px;font-size:14px;padding:4px 8px}

/* pestañas del formulario de maestro (subformularios, no todo en una columna) */
.etabs{display:flex;gap:2px;border-bottom:1px solid var(--line);margin-bottom:12px;flex-wrap:wrap}
.etab{padding:6px 14px;border:1px solid var(--line);border-bottom:none;background:var(--head);cursor:pointer;border-radius:4px 4px 0 0;color:var(--muted);font-size:12px;position:relative;top:1px}
.etab.active{background:#fff;color:var(--text);font-weight:600;border-bottom:1px solid #fff}
.epanel{display:none}
.epanel.active{display:block}

/* checkboxes de un maestro: agrupados en fila, no intercalados con el resto */
.echecks{display:flex;flex-wrap:wrap;gap:4px 18px;margin-top:10px;padding-top:10px;border-top:1px solid var(--line-soft)}
.echecks .chk{display:flex;align-items:center;gap:5px;font-size:12px;color:var(--text);cursor:pointer}

.efoot{display:flex;gap:8px;padding:12px 16px;border-top:1px solid var(--line-soft);position:sticky;bottom:0;background:#fff}
.hint{color:var(--muted);font-size:11px;margin-left:4px}
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.15);opacity:0;pointer-events:none;transition:opacity .18s;z-index:15}
.overlay.open{opacity:1;pointer-events:auto}

/* toast */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#2b3440;color:#fff;padding:9px 16px;border-radius:6px;font-size:12.5px;box-shadow:0 6px 20px rgba(0,0,0,.25);opacity:0;pointer-events:none;transition:opacity .2s;z-index:60}
.toast.show{opacity:1}.toast.err{background:#8a1f1f}
.status{font-size:11px;color:var(--muted);padding:6px 12px}
.status b.ok{color:var(--ok)}.status b.bad{color:var(--hi)}