/* Tallerix — sistema de estilos propio, sin dependencias ni build step. */
:root{
  --primary:#1d4ed8; --primary-dark:#1e40af; --primary-050:#eff6ff;
  --ink:#0f172a; --muted:#64748b; --line:#e2e8f0; --bg:#f1f5f9; --card:#ffffff;
  --sidebar:#0f172a; --sidebar-ink:#cbd5e1; --sidebar-active:#1d4ed8;
  --ok:#16a34a; --ok-bg:#dcfce7; --warn:#d97706; --warn-bg:#fef3c7;
  --danger:#dc2626; --danger-bg:#fee2e2; --info:#0284c7; --info-bg:#e0f2fe;
  --radius:10px; --shadow:0 1px 2px rgba(15,23,42,.06),0 1px 3px rgba(15,23,42,.1);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:var(--bg);font-size:14px;line-height:1.5}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{margin:0 0 .5rem;line-height:1.25}
h1{font-size:1.4rem}h2{font-size:1.15rem}h3{font-size:1rem}

/* Layout */
.layout{display:flex;min-height:100vh}
.sidebar{width:250px;background:var(--sidebar);color:var(--sidebar-ink);flex-shrink:0;
  display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0;overflow-y:auto;z-index:40}
.sidebar .brand{padding:1.1rem 1.25rem;font-weight:700;color:#fff;font-size:1.15rem;
  display:flex;align-items:center;gap:.5rem;border-bottom:1px solid rgba(255,255,255,.08)}
.sidebar .brand small{display:block;font-weight:400;font-size:.68rem;color:#94a3b8}
.nav{padding:.5rem 0;flex:1}
.nav .group{padding:.75rem 1.25rem .35rem;font-size:.68rem;text-transform:uppercase;
  letter-spacing:.05em;color:#64748b}
/* Acordeón del menú lateral */
.nav-group-header{width:100%;display:flex;align-items:center;justify-content:space-between;gap:.5rem;
  background:none;border:none;cursor:pointer;color:#94a3b8;font-size:.68rem;text-transform:uppercase;
  letter-spacing:.05em;padding:.7rem 1.25rem .4rem;text-align:left}
.nav-group-header:hover{color:#fff}
.nav-group-header .chev{font-size:.6rem;transition:transform .15s;opacity:.8}
.nav-group:not(.open) .nav-group-header .chev{transform:rotate(-90deg)}
.nav-group .nav-group-items{display:none}
.nav-group.open .nav-group-items{display:block}
.nav a{display:flex;align-items:center;gap:.6rem;padding:.55rem 1.25rem;color:var(--sidebar-ink);
  font-size:.9rem;border-left:3px solid transparent}
.nav a:hover{background:rgba(255,255,255,.05);text-decoration:none;color:#fff}
.nav a.active{background:rgba(29,78,216,.18);border-left-color:var(--primary);color:#fff}
.nav a .ico{width:18px;text-align:center;opacity:.9}
.main{flex:1;margin-left:250px;display:flex;flex-direction:column;min-width:0}
.topbar{background:var(--card);border-bottom:1px solid var(--line);padding:.6rem 1.25rem;
  display:flex;align-items:center;gap:1rem;position:sticky;top:0;z-index:30}
.topbar .spacer{flex:1}
.topbar .search{flex:1;max-width:420px}
.topbar .search input{width:100%}
.content{padding:1.5rem;max-width:1280px;width:100%;margin:0 auto}
.page-head{display:flex;align-items:center;gap:1rem;margin-bottom:1.25rem;flex-wrap:wrap}
.page-head h1{margin:0}
.page-head .spacer{flex:1}

/* Cards / grid */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow)}
.card .card-body{padding:1.1rem}
.card .card-head{padding:.85rem 1.1rem;border-bottom:1px solid var(--line);font-weight:600}
.grid{display:grid;gap:1rem}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-4{grid-template-columns:repeat(4,1fr)}
.stat{display:flex;flex-direction:column;gap:.25rem}
.stat .label{color:var(--muted);font-size:.8rem}
.stat .value{font-size:1.6rem;font-weight:700}

/* Tables */
.table-wrap{overflow-x:auto;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:.7rem .9rem;border-bottom:1px solid var(--line);vertical-align:middle}
th{font-size:.72rem;text-transform:uppercase;letter-spacing:.03em;color:var(--muted);
  background:#f8fafc}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:#f8fafc}
.text-right{text-align:right}.text-center{text-align:center}
.muted{color:var(--muted)}.small{font-size:.8rem}

/* Forms */
label{display:block;font-weight:600;font-size:.82rem;margin-bottom:.3rem}
input,select,textarea{width:100%;padding:.55rem .7rem;border:1px solid var(--line);
  border-radius:8px;font-size:.9rem;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);
  box-shadow:0 0 0 3px var(--primary-050)}
.field{margin-bottom:1rem}
.field .hint{color:var(--muted);font-size:.78rem;margin-top:.25rem}
.field .error{color:var(--danger);font-size:.78rem;margin-top:.25rem}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 1rem}
.checks{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:.4rem}
.check{display:flex;align-items:center;gap:.5rem;font-weight:400}
.check input{width:auto}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.45rem;padding:.55rem .95rem;border-radius:8px;
  border:1px solid transparent;font-size:.88rem;font-weight:600;cursor:pointer;background:#fff;
  color:var(--ink);line-height:1}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}
.btn-light{background:#fff;border-color:var(--line);color:var(--ink)}.btn-light:hover{background:#f8fafc}
.btn-danger{background:var(--danger);color:#fff}
.btn-sm{padding:.35rem .6rem;font-size:.8rem}
.btn[disabled]{opacity:.5;cursor:not-allowed}

/* Badges / alerts */
.badge{display:inline-block;padding:.2rem .55rem;border-radius:999px;font-size:.72rem;font-weight:600}
.badge-ok{background:var(--ok-bg);color:var(--ok)}
.badge-warn{background:var(--warn-bg);color:var(--warn)}
.badge-danger{background:var(--danger-bg);color:var(--danger)}
.badge-info{background:var(--info-bg);color:var(--info)}
.badge-muted{background:#f1f5f9;color:var(--muted)}
.alert{padding:.8rem 1rem;border-radius:8px;margin-bottom:1rem;border:1px solid transparent}
.alert-success{background:var(--ok-bg);color:#166534;border-color:#bbf7d0}
.alert-danger{background:var(--danger-bg);color:#991b1b;border-color:#fecaca}
.alert-info{background:var(--info-bg);color:#075985;border-color:#bae6fd}

/* Auth */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#0f172a,#1e3a8a);padding:1rem}
.auth-card{background:#fff;border-radius:14px;box-shadow:0 20px 40px rgba(0,0,0,.25);
  width:100%;max-width:400px;padding:2rem}
.auth-card .brand{font-size:1.5rem;font-weight:700;color:var(--ink);text-align:center;margin-bottom:.25rem}
.auth-card .tag{text-align:center;color:var(--muted);margin-bottom:1.5rem;font-size:.85rem}

/* Utils */
.flex{display:flex}.items-center{align-items:center}.items-end{align-items:flex-end}.gap{gap:.5rem}.gap-lg{gap:1rem}
.mt{margin-top:1rem}.mb{margin-bottom:1rem}.mb-0{margin-bottom:0}
.hidden{display:none}
.dropdown{position:relative}
.dropdown-menu{position:absolute;right:0;top:calc(100% + 6px);background:#fff;border:1px solid var(--line);
  border-radius:10px;box-shadow:var(--shadow);min-width:200px;padding:.35rem;z-index:50}
.dropdown-menu a,.dropdown-menu button{display:block;width:100%;text-align:left;padding:.5rem .7rem;
  border-radius:6px;color:var(--ink);background:none;border:none;font-size:.88rem;cursor:pointer}
.dropdown-menu a:hover,.dropdown-menu button:hover{background:#f1f5f9;text-decoration:none}
.chip{display:inline-flex;align-items:center;gap:.4rem;background:#f1f5f9;border:1px solid var(--line);
  padding:.35rem .7rem;border-radius:999px;font-size:.82rem}
.hamburger{display:none;background:none;border:none;font-size:1.3rem;cursor:pointer;color:var(--ink)}

@media (max-width:900px){
  .grid.cols-4{grid-template-columns:repeat(2,1fr)}
  .grid.cols-3{grid-template-columns:repeat(2,1fr)}
  .form-grid{grid-template-columns:1fr}
}
@media (max-width:768px){
  .sidebar{transform:translateX(-100%);transition:transform .2s;box-shadow:0 0 40px rgba(0,0,0,.4)}
  .sidebar.open{transform:translateX(0)}
  .main{margin-left:0}
  .hamburger{display:block}
  .grid.cols-2{grid-template-columns:1fr}
  .topbar .search{display:none}
  .topbar-actions{display:none}
}

/* Combobox (buscar producto/servicio o descripción libre) */
.combo{position:relative}
.combo-input{width:100%}
.combo-menu{position:absolute;z-index:40;left:0;right:0;top:100%;margin-top:4px;
  background:var(--card);border:1px solid var(--line);border-radius:8px;
  box-shadow:var(--shadow);max-height:260px;overflow:auto}
.combo-option{display:block;width:100%;text-align:left;padding:.5rem .6rem;background:none;
  border:0;border-bottom:1px solid var(--line);cursor:pointer;font:inherit;color:var(--ink)}
.combo-option:last-child{border-bottom:0}
.combo-option:hover{background:var(--primary-050)}
.combo-empty{padding:.5rem .6rem;color:var(--muted);font-size:.85rem}

/* Filtros en la cabecera de la tabla (lista de OT, etc.) */
.filter-row th{padding-top:.4rem;padding-bottom:.4rem;vertical-align:middle}
.filter-row input,.filter-row select{width:100%;font-size:.8rem;padding:.3rem .4rem}