:root {
  --bg: #0e1018;
  --panel: #161a26;
  --panel-2: #1d2231;
  --border: #262c3e;
  --text: #e6e8ef;
  --muted: #8a92a6;
  --accent: #7c5cff;
  --accent-2: #1ed3a3;
  --danger: #ff5c7c;
  --warn: #ffb547;
  --ok: #1ed3a3;
  --radius: 10px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0; height: 100%;
  font-family: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  background: var(--bg); color: var(--text);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.layout { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.sidebar {
  background: var(--panel); border-right: 1px solid var(--border);
  padding: 20px 16px; position: sticky; top: 0; height: 100vh;
}
.sidebar h1 { font-size: 18px; margin: 0 0 24px; color: var(--accent); }
.sidebar h1 span { color: var(--text); }
.nav { display: flex; flex-direction: column; gap: 4px; }
.nav a {
  display: block; padding: 10px 12px; border-radius: 8px; color: var(--muted);
  font-size: 14px;
}
.nav a:hover { background: var(--panel-2); color: var(--text); text-decoration: none; }
.nav a.active { background: var(--accent); color: white; }

.main { padding: 24px 32px; max-width: 1200px; }
header.page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
header.page-header h2 { margin: 0; font-size: 22px; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; }
.card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow);
}
.card .label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
.card .value { font-size: 28px; font-weight: 600; margin-top: 8px; }

.panel {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; margin-top: 20px;
}
.panel h3 { margin: 0 0 16px; font-size: 16px; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 500; font-size: 12px; text-transform: uppercase; }
tr:hover td { background: var(--panel-2); }

.btn {
  background: var(--accent); color: white; border: 0;
  padding: 9px 16px; border-radius: 8px; font-size: 14px;
  cursor: pointer; font-weight: 500;
}
.btn:hover { opacity: 0.9; }
.btn.secondary { background: var(--panel-2); border: 1px solid var(--border); }
.btn.danger { background: var(--danger); }
.btn.small { padding: 5px 10px; font-size: 12px; }

input, textarea, select {
  background: var(--panel-2); color: var(--text); border: 1px solid var(--border);
  padding: 9px 12px; border-radius: 8px; font-size: 14px; width: 100%;
  font-family: inherit;
}
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--accent); }
label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.3px; }
.field { margin-bottom: 14px; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 11px; font-weight: 500; }
.badge.ok { background: rgba(30, 211, 163, 0.2); color: var(--ok); }
.badge.fail { background: rgba(255, 92, 124, 0.2); color: var(--danger); }
.badge.muted { background: var(--panel-2); color: var(--muted); }

.tags { display: flex; gap: 6px; flex-wrap: wrap; }
.tag { background: var(--panel-2); border: 1px solid var(--border); border-radius: 4px; padding: 3px 8px; font-size: 12px; }
.tag .x { cursor: pointer; margin-left: 6px; color: var(--muted); }

.chart { display: flex; align-items: flex-end; gap: 6px; height: 120px; padding-top: 16px; }
.bar { flex: 1; background: var(--accent); border-radius: 4px 4px 0 0; min-height: 3px; position: relative; }
.bar span { position: absolute; bottom: -22px; left: 0; right: 0; text-align: center; font-size: 11px; color: var(--muted); }
.bar b { position: absolute; top: -18px; left: 0; right: 0; text-align: center; font-size: 11px; color: var(--text); }

.toolbar { display: flex; gap: 10px; align-items: center; margin-bottom: 16px; }
.toolbar .grow { flex: 1; }

.empty { color: var(--muted); text-align: center; padding: 30px; font-size: 14px; }

.chat {
  display: flex; flex-direction: column; gap: 12px; max-height: 460px;
  overflow-y: auto; padding: 8px;
}
.msg { padding: 10px 14px; border-radius: 10px; max-width: 80%; font-size: 14px; line-height: 1.4; white-space: pre-wrap; }
.msg.user { background: var(--accent); align-self: flex-end; }
.msg.agent { background: var(--panel-2); align-self: flex-start; border: 1px solid var(--border); }
.msg.err { background: rgba(255, 92, 124, 0.15); color: var(--danger); }