:root {
  --bg: #0f1115;
  --panel: #161922;
  --panel-2: #1d2230;
  --border: #2a3142;
  --text: #e6e8ee;
  --muted: #8a93a6;
  --accent: #5b8def;
  --accent-2: #7aa6ff;
  --error: #ff6b6b;
  --success: #4cd97b;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
a { color: var(--accent-2); text-decoration: none; }
a:hover { color: var(--accent); }
h1, h2 { font-weight: 600; }
h1 { font-size: 22px; margin: 0 0 18px; }
h2 { font-size: 16px; margin: 0 0 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
.muted { color: var(--muted); }

.nav {
  display: flex; align-items: center; gap: 18px;
  padding: 12px 24px; background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.nav a { color: var(--text); }
.nav a:hover { color: var(--accent-2); }
.nav .brand { font-weight: 700; }
.nav .spacer { flex: 1; }
.nav .user { color: var(--muted); }
.nav .inline { display: inline; margin: 0; }
.nav .link {
  background: none; border: 0; color: var(--muted); cursor: pointer; padding: 0; font: inherit;
}
.nav .link:hover { color: var(--accent-2); }

.main { max-width: 1080px; margin: 0 auto; padding: 28px 24px; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin: 0 0 18px;
}
.card.empty { color: var(--muted); }
.card.success { border-color: var(--success); color: var(--success); }
.card.error,
.error { color: var(--error); margin: 8px 0; }

form label {
  display: block; margin: 0 0 14px; color: var(--muted); font-size: 13px;
}
form input, form select {
  display: block; width: 100%; margin-top: 6px; padding: 10px 12px;
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 6px; color: var(--text); font: inherit;
}
form input:focus, form select:focus {
  outline: none; border-color: var(--accent);
}
button.primary {
  background: var(--accent); color: white; border: 0;
  padding: 10px 18px; border-radius: 6px; cursor: pointer; font: inherit; font-weight: 600;
}
button.primary:hover { background: var(--accent-2); }

table { width: 100%; border-collapse: collapse; }
th, td { padding: 9px 12px; text-align: left; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 500; font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

.login-card {
  max-width: 380px; margin: 80px auto;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 12px; padding: 32px;
}
.login-card h1 { margin: 0 0 4px; }
.login-card .primary { width: 100%; margin-top: 6px; }

/* --- Mockup dashboard --- */
.mockup-banner {
  background: linear-gradient(90deg, #2a3a55, #2c3149);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  padding: 10px 16px;
  margin: 0 0 18px;
  font-size: 13px;
  color: var(--muted);
}
.mockup-banner strong { color: var(--text); }
.mockup-banner .banner-link { float: right; color: var(--accent-2); }

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin: 0 0 18px;
}
.kpi {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px;
  position: relative;
  overflow: hidden;
}
.kpi-label { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.kpi-value { font-size: 26px; font-weight: 600; margin: 8px 0 4px; font-variant-numeric: tabular-nums; }
.kpi-unit { font-size: 14px; color: var(--muted); font-weight: 400; margin-left: 4px; }
.kpi-delta { font-size: 12px; }
.kpi-delta.up { color: var(--success); }
.kpi-delta.down { color: var(--error); }
.kpi-delta.neutral { color: var(--muted); }
.kpi canvas { margin-top: 10px; max-width: 100%; }

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 14px;
  margin: 0 0 18px;
}
.grid-2 .card { margin: 0; }

.pill {
  display: inline-block;
  padding: 2px 10px;
  font-size: 12px;
  border-radius: 999px;
  font-weight: 500;
}
.pill.ok   { background: rgba(76, 217, 123, 0.15); color: var(--success); }
.pill.warn { background: rgba(255, 196, 87, 0.18); color: #ffc457; }
.pill.bad  { background: rgba(255, 107, 107, 0.18); color: var(--error); }
.pill.inline { margin-right: 6px; }

.feed { list-style: none; padding: 0; margin: 0; }
.feed li {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.feed li:last-child { border-bottom: 0; }
.feed-time { color: var(--muted); font-size: 12px; min-width: 88px; display: inline-block; }