:root{
  --sidebar-w: 250px;
  --primary: #2a5298;
  --dark: #0d1b3e;
}
body{background:#f4f6f9;font-family:'Segoe UI',Roboto,Arial,sans-serif;}
.topbar{background:var(--dark);height:56px;position:sticky;top:0;z-index:1030;}
.btn-sbu{background:#16265c;color:#fff;border:1px solid #2a3d7a;}
.btn-sbu:hover{background:#1c3272;color:#fff;}
.wrapper{display:flex;min-height:calc(100vh - 56px);}
.sidebar{
  width:var(--sidebar-w);background:#101d40;color:#c9d3ee;flex-shrink:0;
  padding:1rem 0;overflow-y:auto;
}
.sidebar-section{
  font-size:.7rem;text-transform:uppercase;letter-spacing:.05em;color:#5b6b9c;
  padding:.75rem 1.25rem .25rem;font-weight:600;
}
.sidebar .nav-link{
  color:#c9d3ee;padding:.5rem 1.25rem;font-size:.88rem;border-left:3px solid transparent;
}
.sidebar .nav-link i{width:18px;display:inline-block;}
.sidebar .nav-link:hover{background:#182a5c;color:#fff;}
.sidebar .nav-link.active{background:#1c3272;color:#fff;border-left-color:#4d7cf0;font-weight:600;}
.content{flex:1;min-width:0;}
.card{border:none;box-shadow:0 1px 3px rgba(0,0,0,.08);border-radius:10px;}
.card-kpi{border-radius:12px;color:#fff;}
.card-kpi .kpi-icon{font-size:2rem;opacity:.5;}
.card-kpi h3{font-weight:700;margin-bottom:0;}
.bg-kpi-1{background:linear-gradient(135deg,#2a5298,#1e3c72);}
.bg-kpi-2{background:linear-gradient(135deg,#11998e,#38ef7d);}
.bg-kpi-3{background:linear-gradient(135deg,#f7971e,#ffd200);color:#333!important;}
.bg-kpi-4{background:linear-gradient(135deg,#ee0979,#ff6a00);}
.table thead th{background:#f0f2f7;font-size:.8rem;text-transform:uppercase;letter-spacing:.02em;color:#556;}
.table td, .table th{vertical-align:middle;font-size:.9rem;}
.badge-stage-NEW{background:#6c757d;}
.badge-stage-QUALIFIED{background:#0d6efd;}
.badge-stage-PROPOSAL{background:#fd7e14;}
.badge-stage-WON{background:#198754;}
.badge-stage-LOST{background:#dc3545;}

/* Kanban CRM */
.kanban-board{display:flex;gap:1rem;overflow-x:auto;padding-bottom:1rem;}
.kanban-col{background:#eef1f8;border-radius:10px;min-width:270px;max-width:270px;padding:.75rem;flex-shrink:0;}
.kanban-col-header{font-weight:700;font-size:.85rem;text-transform:uppercase;margin-bottom:.5rem;display:flex;justify-content:space-between;}
.kanban-card{background:#fff;border-radius:8px;padding:.65rem .75rem;margin-bottom:.6rem;box-shadow:0 1px 2px rgba(0,0,0,.1);cursor:grab;font-size:.85rem;}
.kanban-card:hover{box-shadow:0 3px 8px rgba(0,0,0,.15);}
.kanban-card.dragging{opacity:.4;}
.kanban-col.drag-over{background:#dde4f5;}

.form-label{font-size:.85rem;font-weight:600;color:#3a3a3a;}
.section-title{font-weight:700;color:var(--dark);border-left:4px solid var(--primary);padding-left:.6rem;margin-bottom:1rem;}

@media (max-width: 767px){
  .sidebar{position:fixed;left:-260px;top:56px;bottom:0;z-index:1040;transition:left .25s;}
  .sidebar.show{left:0;}
}