/* ====== Paleta elegante (negro + dorado) ======
   Negro carbón:        #0B0D10
   Superficie oscura:   #101318
   Tarjeta:             #12161C
   Borde sutil:         #1B2028
   Texto principal:     #F2F3F5
   Texto secundario:    #A6AAB2
   Dorado (accent):     #C7A24B
   Dorado suave:        #B8943F
   Resaltado foco:      #2A313C
   ================================================= */

:root{
  --primary:#0B0D10;        /* fondo general */
  --surface:#101318;        /* barra superior, paneles */
  --card:#12161C;           /* tarjetas */
  --border:#1B2028;         /* contornos sutiles */
  --text:#F2F3F5;           /* texto principal */
  --muted:#A6AAB2;          /* texto secundario */
  --accent:#C7A24B;         /* dorado corporativo */
  --accent-2:#B8943F;       /* dorado más sobrio para hover */
  --focus:#2A313C;          /* foco/hover oscuro elegante */
  --radius:10px;
  --shadow: 0 6px 20px rgba(0,0,0,.25);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,"Helvetica Neue",Arial;
  background:var(--primary);
  color:var(--text);
  display:flex;
}

/* ====== Sidebar ====== */
.sidebar{
  width:280px;
  background:var(--surface);
  border-right:1px solid var(--border);
  position:sticky; top:0; height:100vh;
  padding:16px; overflow:auto;
}
.brand{display:flex; align-items:center; gap:10px; margin-bottom:16px}
.brand img{
  width:44px; height:44px; border-radius:8px;
  border:1px solid var(--border); object-fit:cover; background:#0D1117;
  box-shadow: 0 2px 10px rgba(0,0,0,.25);
}
.brand-info small{color:var(--muted)}
.menu{display:flex; flex-direction:column; gap:8px}
.nav-btn{
  background:#0F1319;
  color:var(--text);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:12px 14px;
  text-align:left;
  cursor:pointer;
  transition:.15s transform, .15s background, .15s border-color, .15s box-shadow;
}
.nav-btn:hover{
  background:var(--focus);
  border-color:#232A36;
  transform:translateY(-1px);
  box-shadow: 0 4px 14px rgba(0,0,0,.25);
}
.nav-btn.active{
  outline:2px solid var(--accent);
  background:linear-gradient(180deg, #0F1319 0%, #0C0F14 100%);
}

/* ====== Topbar / Main ====== */
.main{flex:1; min-width:0}
.topbar{
  display:flex; align-items:center; justify-content:space-between; gap:12px;
  padding:12px 16px;
  border-bottom:1px solid var(--border);
  background:var(--surface);
  position:sticky; top:0; z-index:2;
  box-shadow: 0 2px 12px rgba(0,0,0,.25);
}
.menu-toggle{display:none}
.cloud{display:flex; gap:8px; align-items:center}
.cloud .btn{padding:8px 10px}

/* ====== Views ====== */
.view{display:none; padding:16px}
.view.visible{display:block}

/* ====== Layouts ====== */
.grid{display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:16px}
.grid2{display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:12px}
.row{display:flex; align-items:center; gap:8px}
.row.end{justify-content:flex-end}
.row.g{gap:12px}
.grow{flex:1}

/* ====== Cards / KPIs ====== */
.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:14px;
  box-shadow: var(--shadow);
}
.card-title{
  color:var(--accent);
  margin-bottom:10px;
  font-weight:600;
  letter-spacing:.2px;
}
.kpi{font-size:28px; font-weight:700; text-shadow:0 1px 0 rgba(0,0,0,.35)}
.logo-preview{
  height:44px; width:44px; border-radius:8px; border:1px solid var(--border);
  object-fit:cover; background:#0D1117; box-shadow:0 2px 10px rgba(0,0,0,.25);
}

/* ====== Tablas ====== */
.table{width:100%; border-collapse:collapse; font-size:14px}
.table th,.table td{
  border-bottom:1px solid var(--border);
  padding:10px; text-align:left;
}
.table thead th{
  color:#E7E8EA;
  font-weight:700; letter-spacing:.2px;
  background:#0F1319;
}
.table tr:hover td{
  background:#0E1217;
}
.table .row-actions{display:flex; gap:6px}

/* ====== Barras / Pills ====== */
.bars .bar{
  height:8px; background:#0E1217; border:1px solid var(--border);
  border-radius:8px; overflow:hidden; margin:6px 0
}
.bars .bar span{display:block; height:100%; background:var(--accent)}
.pills{display:flex; flex-wrap:wrap; gap:8px; margin-top:10px}
.pill{
  background:#0F1319;
  border:1px solid var(--border);
  border-radius:20px; padding:6px 10px; color:#E0E3E7
}

/* ====== Formularios ====== */
.form label{display:flex; flex-direction:column; gap:6px; font-size:14px}
input, select{
  background:#0D1117;
  color:var(--text);
  border:1px solid var(--border);
  padding:10px; border-radius:8px; outline:none;
  transition: .15s border-color, .15s background;
}
input::placeholder{color:#7E8591}
input:focus, select:focus{
  border-color:#2B3340;
  background:#0E131A;
  box-shadow:0 0 0 3px rgba(199,162,75,.15);
}

/* ====== Botones ====== */
.btn{
  background:var(--accent);
  border:1px solid var(--accent);
  color:#111;
  padding:10px 12px; border-radius:10px; cursor:pointer; font-weight:700;
  letter-spacing:.2px;
  transition:.15s transform, .15s filter, .15s box-shadow, .15s background-color, .15s border-color;
}
.btn:hover{
  filter:brightness(1.03);
  transform:translateY(-1px);
  box-shadow:0 6px 16px rgba(199,162,75,.25);
}
.btn:active{transform:translateY(0)}

.btn-outline{
  background:transparent;
  border:1px solid var(--border);
  color:#E5E7EB; padding:10px 12px; border-radius:10px; cursor:pointer;
}
.btn-outline:hover{
  border-color:#2B3340;
  background:#0E1217;
}

/* ====== Toasts ====== */
#toastContainer{position:fixed; right:16px; bottom:16px; display:flex; flex-direction:column; gap:8px; z-index:10}
.toast{
  background:#0D1117;
  border:1px solid var(--border);
  border-left:4px solid var(--accent);
  padding:10px 12px; border-radius:10px; transition:.25s opacity;
  box-shadow:0 8px 20px rgba(0,0,0,.35);
}

/* ====== Responsive ====== */
@media (max-width:1000px){
  .grid{grid-template-columns:1fr}
  .grid2{grid-template-columns:1fr}
  .menu-toggle{display:inline-block}
  .sidebar{position:fixed; left:-300px; transition:.2s left; z-index:5}
  .sidebar.open{left:0}
  body{overflow-x:hidden}
}

/* ====== Impresión (B/N limpio) ====== */
@media print{
  .sidebar,.topbar,#toastContainer{display:none!important}
  .view{display:block!important}
  body{background:#fff; color:#000}
  .card{border:none; box-shadow:none}
  .table thead th{background:#fff; color:#000}
}