:root {
  --bg: #0f1117; --panel: #171a23; --panel2: #1e222d; --border: #2a2f3a;
  --text: #e6e8ee; --muted: #8b93a7; --accent: #6d8bff; --accent2: #4f6ef0;
  --green: #2ecc71; --amber: #f1c40f; --red: #e74c3c; --gray: #6b7280;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { background: var(--panel2); padding: 1px 6px; border-radius: 5px; font-size: 13px; }

.topbar { display: flex; align-items: center; gap: 20px; padding: 12px 24px;
  background: var(--panel); border-bottom: 1px solid var(--border); }
.brand { font-weight: 700; }
.topbar nav { display: flex; gap: 18px; flex: 1; }
.topbar nav a { color: var(--muted); padding: 4px 0; }
.topbar nav a.active, .topbar nav a:hover { color: var(--text); }
.logout button { background: none; border: 1px solid var(--border); color: var(--muted);
  padding: 6px 12px; border-radius: 8px; cursor: pointer; }

main { max-width: 1100px; margin: 0 auto; padding: 24px; }
main.centered { display: flex; align-items: center; justify-content: center; min-height: 90vh; }
h1 { font-size: 22px; margin: 0 0 16px; }
h2 { font-size: 16px; margin: 28px 0 10px; color: var(--muted); }
.muted { color: var(--muted); }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 16px; }
.card-value { font-size: 26px; font-weight: 700; }
.card-label { color: var(--muted); font-size: 12px; margin-top: 4px; }

table { width: 100%; border-collapse: collapse; margin-top: 8px;
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
tr:last-child td { border-bottom: none; }
td.err { color: var(--amber); max-width: 240px; font-size: 12px; word-break: break-word; }
.row-warn { background: rgba(241,196,15,.06); }

.badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge-green { background: rgba(46,204,113,.15); color: var(--green); }
.badge-amber { background: rgba(241,196,15,.15); color: var(--amber); }
.badge-red { background: rgba(231,76,60,.15); color: var(--red); }
.badge-gray { background: rgba(107,114,128,.2); color: var(--gray); }

.actions { display: flex; gap: 6px; flex-wrap: wrap; }
.actions form { margin: 0; }
button { background: var(--panel2); color: var(--text); border: 1px solid var(--border);
  padding: 6px 12px; border-radius: 8px; cursor: pointer; font-size: 13px; }
button:hover { border-color: var(--accent); }
button.danger { color: var(--red); }
.btn-primary { background: var(--accent2); border-color: var(--accent2); color: #fff; font-weight: 600; }
.btn-primary:hover { background: var(--accent); }

.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  padding: 14px 18px; margin-bottom: 20px; }
.panel summary { cursor: pointer; font-weight: 600; }
.panel form { margin-top: 12px; }
textarea, input, select { width: 100%; background: var(--bg); color: var(--text);
  border: 1px solid var(--border); border-radius: 8px; padding: 9px 11px; margin-top: 4px; }
.grid-form { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; align-items: end; }
.grid-form label { display: block; font-size: 13px; color: var(--muted); }
.grid-form small { display: block; color: var(--muted); margin-top: 3px; font-size: 11px; }
.grid-form button { grid-column: 1 / -1; justify-self: start; }

.alert { background: var(--panel2); border: 1px solid var(--border); border-left: 3px solid var(--accent);
  padding: 10px 14px; border-radius: 8px; margin-bottom: 16px; }
.alert-red { border-left-color: var(--red); }
.alert-amber { border-left-color: var(--amber); }
.alert-green { border-left-color: var(--green); }

.login-card { background: var(--panel); border: 1px solid var(--border); border-radius: 16px;
  padding: 36px; width: 340px; text-align: center; }
.login-card input { margin: 14px 0; text-align: center; }

.token-reveal { display: flex; gap: 10px; align-items: center; background: var(--panel);
  border: 1px solid var(--border); border-radius: 10px; padding: 14px; margin: 12px 0; }
.token-reveal code { flex: 1; word-break: break-all; background: none; }

.chart { display: flex; align-items: flex-end; gap: 3px; height: 140px; padding: 10px;
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px; overflow-x: auto; }
.bar { display: flex; flex-direction: column; align-items: center; justify-content: flex-end; min-width: 14px; }
.bar-fill { width: 12px; background: var(--accent2); border-radius: 3px 3px 0 0; min-height: 2px; }
.bar-label { font-size: 9px; color: var(--muted); margin-top: 3px; }