:root{
  --bg: #f7f7f8;
  --panel: #ffffff;
  --border: #e6e6e9;
  --text: #1a1a1e;
  --text-muted: #767680;
  --accent: #4F46E5;
  --green: #16a34a;
  --amber: #d97706;
  --red: #dc2626;
  --radius: 10px;
  --sidebar-w: 260px;
}

*{box-sizing:border-box;}
body{
  margin:0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:14px;
}
a{color:inherit; text-decoration:none;}

.layout{display:flex; min-height:100vh;}

/* ---------- Sidebar (panel por portafolio) ---------- */
.sidebar{
  width:var(--sidebar-w);
  background:var(--panel);
  border-right:1px solid var(--border);
  padding:20px 14px;
  display:flex;
  flex-direction:column;
  gap:18px;
}
.brand{font-weight:600; font-size:16px; padding:0 8px;}
.brand span{color:var(--accent);}

.portfolio-list{list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:4px;}
.portfolio-item{
  display:flex; align-items:center; gap:10px;
  padding:9px 10px; border-radius:var(--radius);
  cursor:pointer; color:var(--text-muted); font-weight:500;
}
.portfolio-item:hover{background:var(--bg);}
.portfolio-item.active{background:#EEF0FF; color:var(--accent);}
.portfolio-avatar{
  width:26px; height:26px; border-radius:8px;
  display:flex; align-items:center; justify-content:center;
  color:#fff; font-size:11px; font-weight:700; flex-shrink:0;
}
.portfolio-name{flex:1; white-space:nowrap; overflow:hidden; text-overflow:ellipsis;}
.portfolio-alert-dot{
  width:8px; height:8px; border-radius:50%; background:var(--red); flex-shrink:0;
}

.sidebar-footer{margin-top:auto; padding-top:12px; border-top:1px solid var(--border);}
.nav-link{
  display:flex; align-items:center; gap:8px;
  padding:8px 10px; border-radius:var(--radius); color:var(--text-muted); font-weight:500;
}
.nav-link:hover, .nav-link.active{background:var(--bg); color:var(--text);}

/* ---------- Main content ---------- */
.main{flex:1; padding:28px 32px; max-width:1200px;}
.page-header{display:flex; align-items:center; justify-content:space-between; margin-bottom:22px;}
.page-title{font-size:20px; font-weight:700; margin:0;}
.page-sub{color:var(--text-muted); font-size:13px; margin-top:2px;}

.btn{
  border:1px solid var(--border); background:var(--panel); color:var(--text);
  padding:8px 14px; border-radius:8px; font-size:13px; font-weight:600; cursor:pointer;
}
.btn:hover{border-color:var(--accent); color:var(--accent);}
.btn-primary{background:var(--accent); color:#fff; border-color:var(--accent);}
.btn-primary:hover{opacity:.9; color:#fff;}

/* KPI cards */
.kpi-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:14px; margin-bottom:24px;}
.kpi-card{background:var(--panel); border:1px solid var(--border); border-radius:var(--radius); padding:16px;}
.kpi-label{font-size:12px; color:var(--text-muted); margin-bottom:6px;}
.kpi-value{font-size:22px; font-weight:700;}

/* Table */
.card{background:var(--panel); border:1px solid var(--border); border-radius:var(--radius); overflow:hidden; margin-bottom:24px;}
.card-header{padding:14px 18px; border-bottom:1px solid var(--border); font-weight:600; display:flex; justify-content:space-between; align-items:center;}
table{width:100%; border-collapse:collapse; font-size:13px;}
th{text-align:left; padding:10px 18px; color:var(--text-muted); font-weight:600; border-bottom:1px solid var(--border); font-size:12px; text-transform:uppercase; letter-spacing:.02em;}
td{padding:12px 18px; border-bottom:1px solid var(--border); vertical-align:middle;}
tr:last-child td{border-bottom:none;}
tr:hover td{background:#fafafb;}

.badge{display:inline-block; padding:3px 9px; border-radius:999px; font-size:11px; font-weight:700;}
.badge-active{background:#DCFCE7; color:var(--green);}
.badge-paused{background:#FEF3C7; color:var(--amber);}
.badge-archived{background:#F3F4F6; color:var(--text-muted);}
.badge-default{background:#F3F4F6; color:var(--text-muted);}
.badge-critical{background:#FEE2E2; color:var(--red);}
.badge-warning{background:#FEF3C7; color:var(--amber);}
.badge-info{background:#E0E7FF; color:var(--accent);}

.empty-state{padding:40px; text-align:center; color:var(--text-muted);}

/* Incidents */
.incident-row{display:flex; gap:14px; padding:14px 18px; border-bottom:1px solid var(--border); align-items:flex-start;}
.incident-row:last-child{border-bottom:none;}
.incident-dot{width:10px; height:10px; border-radius:50%; margin-top:5px; flex-shrink:0;}
.dot-critical{background:var(--red);}
.dot-warning{background:var(--amber);}
.dot-info{background:var(--accent);}
.incident-body{flex:1;}
.incident-title{font-weight:600; font-size:13px;}
.incident-meta{color:var(--text-muted); font-size:12px; margin-top:2px;}
.incident-time{color:var(--text-muted); font-size:12px; white-space:nowrap;}
.unread-marker{width:7px; height:7px; border-radius:50%; background:var(--accent); margin-top:6px;}

@media (max-width: 900px){
  .kpi-grid{grid-template-columns:repeat(2,1fr);}
  .sidebar{display:none;}
}