:root {
  --bg: #0f1117;
  --panel: #161a23;
  --panel-2: #1e2330;
  --border: #2a3040;
  --text: #e7eaf3;
  --muted: #8a94a8;
  --accent: #4c8bf5;
  --accent-hover: #6aa1ff;
  --ok: #2bb673;
  --warn: #e8a13a;
  --err: #e25555;
  --tag: #283049;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 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 { color: var(--accent-hover); }
code { background: var(--panel-2); padding: 2px 6px; border-radius: 4px; }

.topbar {
  display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
  padding: 10px 24px; background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.brand a { font-weight: 700; color: var(--text); font-size: 16px; }
.nav-links { display: flex; gap: 18px; flex: 1; flex-wrap: wrap; }
.nav-links a { color: var(--muted); }
.nav-links a:hover { color: var(--text); }
.who { color: var(--muted); }
.container { max-width: 1280px; margin: 24px auto; padding: 0 24px 80px; }
.footer { text-align: center; color: var(--muted); padding: 18px; font-size: 12px; }

h1 { font-size: 22px; margin: 0 0 16px; }
h2 { font-size: 16px; margin: 28px 0 12px; color: var(--muted);
     text-transform: uppercase; letter-spacing: .08em; }
h3 { font-size: 14px; margin: 20px 0 8px; color: var(--muted); }

/* dashboard cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 16px; }
.card.warn { border-color: var(--warn); }
.card-label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .05em; }
.card-value { font-size: 28px; font-weight: 700; margin-top: 6px; }
.card-value small { font-size: 13px; color: var(--muted); font-weight: 400; margin-left: 8px; }
.card-link { display: inline-block; margin-top: 10px; font-size: 12px; }

/* tables */
table.data { width: 100%; border-collapse: collapse; background: var(--panel);
  border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
table.data th, table.data td { padding: 8px 12px; text-align: left;
  border-bottom: 1px solid var(--border); vertical-align: top; }
table.data thead th { background: var(--panel-2); color: var(--muted);
  text-transform: uppercase; font-size: 11px; letter-spacing: .06em; }
table.data tr:last-child td { border-bottom: 0; }
.actions { white-space: nowrap; display: flex; gap: 6px; flex-wrap: wrap; }

.muted { color: var(--muted); }
.small { font-size: 11px; }
.err { color: var(--err); }
.warn { color: var(--warn); }
.ok { color: var(--ok); }

.tag { display: inline-block; background: var(--tag); color: var(--text);
  padding: 1px 8px; border-radius: 999px; font-size: 11px; }

.status {
  display: inline-block; padding: 1px 8px; border-radius: 999px;
  font-size: 11px; text-transform: uppercase; letter-spacing: .04em;
  background: var(--tag);
}
.status-online, .status-active { background: rgba(43,182,115,.18); color: var(--ok); }
.status-pending, .status-provisioning, .status-restricted { background: rgba(232,161,58,.18); color: var(--warn); }
.status-warn { background: rgba(232,161,58,.18); color: var(--warn); }
.status-offline, .status-error, .status-suspended, .status-expired, .status-revoked,
.status-cancelled { background: rgba(226,85,85,.18); color: var(--err); }

/* forms */
form.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
  background: var(--panel); border: 1px solid var(--border); padding: 18px;
  border-radius: 10px; }
form.grid.compact-grid { margin: 4px 0; padding: 12px; background: var(--panel-2); }
form.grid .span2 { grid-column: span 2; }
form.grid label.checkbox { flex-direction: row; align-items: center; gap: 8px; }
fieldset { border: 1px solid var(--border); border-radius: 8px; padding: 12px;
  grid-column: span 2; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
fieldset legend { padding: 0 6px; color: var(--muted); }
label { display: flex; flex-direction: column; gap: 4px; font-size: 12px;
  color: var(--muted); }
input, select, textarea { background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 6px; padding: 8px 10px;
  font: inherit; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); }
textarea { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }

button, .btn { background: var(--panel-2); color: var(--text); border: 1px solid var(--border);
  padding: 8px 14px; border-radius: 6px; cursor: pointer; font: inherit; }
button:hover, .btn:hover { border-color: var(--accent); color: var(--accent-hover); }
button.primary, .btn.primary { background: var(--accent); border-color: var(--accent); color: white; }
button.primary:hover, .btn.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: white; }
button.danger { color: var(--err); border-color: var(--err); }
button.danger:hover { background: var(--err); color: white; }
button.small, .small { font-size: 12px; padding: 4px 10px; }

.filter-bar { display: flex; gap: 12px; align-items: end; margin-bottom: 12px; }
.filter-bar label { flex: 0 0 auto; }

/* login */
.login-card { max-width: 360px; margin: 80px auto; background: var(--panel);
  border: 1px solid var(--border); border-radius: 10px; padding: 28px; }
.login-card h1 { margin: 0 0 6px; }
.login-card form { display: flex; flex-direction: column; gap: 12px; margin-top: 14px; }
.alert { padding: 8px 12px; border-radius: 6px; font-size: 13px; }
.alert.err { background: rgba(226,85,85,.12); color: var(--err);
  border: 1px solid rgba(226,85,85,.3); }

/* user detail */
.two-col { display: grid; grid-template-columns: 2fr 1fr; gap: 18px; }
.two-col > section { background: var(--panel); border: 1px solid var(--border);
  border-radius: 10px; padding: 18px; }
dl.kv { display: grid; grid-template-columns: 130px 1fr; gap: 8px 12px; margin: 0; }
dl.kv dt { color: var(--muted); }
dl.kv dd { margin: 0; }
.action-stack { display: flex; flex-direction: column; gap: 10px; }
.action-stack form { display: flex; flex-direction: column; gap: 6px; margin: 0; }
.qr-block { display: flex; flex-direction: column; align-items: center;
  gap: 8px; padding: 12px; background: #fff; border-radius: 8px; }
.qr-block .qr { width: 100%; max-width: 220px; height: auto; image-rendering: pixelated; }
.qr-block small { color: #444; text-align: center; }

/* plans grid */
.plan-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px; margin-bottom: 18px; }
.plan-card { display: flex; flex-direction: column; gap: 8px;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 10px; padding: 14px; }
.plan-head { display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 4px; }
.plan-card .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.plan-card label.checkbox { flex-direction: row; align-items: center; gap: 8px; }
.plan-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 6px; }
.plan-delete { margin: -8px 0 14px; }

/* bar chart */
.chart { display: flex; gap: 4px; align-items: stretch;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 10px; padding: 16px; height: 220px; overflow-x: auto; }
.bar { flex: 1 0 26px; display: flex; flex-direction: column; justify-content: flex-end;
  text-align: center; min-width: 24px; }
.bar-fill { background: var(--accent); border-radius: 4px 4px 0 0; min-height: 1px; }
.bar-label { font-size: 10px; color: var(--muted); margin-top: 4px;
  transform: rotate(-45deg); transform-origin: top left;
  white-space: nowrap; height: 14px; }

/* analytics */
.analytics-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px; margin-top: 14px; }
.analytics-panel { background: var(--panel); border: 1px solid var(--border);
  border-radius: 10px; padding: 16px; min-width: 0; }
.analytics-wide { grid-column: span 2; }
.panel-head { display: flex; align-items: center; justify-content: space-between;
  gap: 12px; margin-bottom: 12px; }
.panel-head h2 { margin: 0; }
.chart.chart-tall { height: 260px; border: 0; border-radius: 0; padding: 0;
  background: transparent; }

.donut-wrap { display: grid; grid-template-columns: 170px 1fr; gap: 18px; align-items: center; }
.donut { width: 160px; height: 160px; border-radius: 50%; display: grid;
  place-items: center; position: relative; border: 1px solid var(--border); }
.donut::after { content: ""; position: absolute; inset: 34px; border-radius: 50%;
  background: var(--panel); border: 1px solid var(--border); }
.donut > div, .donut > small { position: relative; z-index: 1; grid-area: 1 / 1; }
.donut > div { font-size: 28px; font-weight: 700; transform: translateY(-8px); }
.donut > small { color: var(--muted); transform: translateY(18px); }
.legend { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.legend-row { display: grid; grid-template-columns: 12px minmax(0, 1fr) auto;
  gap: 8px; align-items: center; }
.swatch { width: 10px; height: 10px; border-radius: 2px; }

.hbars { display: flex; flex-direction: column; gap: 12px; }
.hbar-row { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.hbar-meta { display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.hbar-meta span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hbar-track { height: 9px; background: var(--panel-2); border-radius: 999px; overflow: hidden;
  border: 1px solid var(--border); }
.hbar-track span { display: block; height: 100%; min-width: 1px;
  background: linear-gradient(90deg, var(--accent), var(--ok)); }

.dual-chart { display: flex; align-items: stretch; gap: 5px; height: 220px; overflow-x: auto; }
.dual-day { flex: 1 0 28px; min-width: 24px; display: flex; flex-direction: column;
  justify-content: flex-end; text-align: center; }
.dual-bars { height: 184px; display: flex; align-items: flex-end; justify-content: center;
  gap: 3px; border-bottom: 1px solid var(--border); }
.dual-bar { width: 8px; min-height: 1px; border-radius: 4px 4px 0 0; }
.dual-bar.tx, .key.tx { background: var(--accent); }
.dual-bar.users, .key.users { background: var(--ok); }
.dual-day > span { color: var(--muted); font-size: 10px; margin-top: 4px;
  transform: rotate(-45deg); transform-origin: top left; white-space: nowrap; height: 14px; }
.mini-legend { display: flex; flex-wrap: wrap; gap: 10px 16px; color: var(--muted);
  font-size: 12px; margin-top: 10px; }
.key { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 5px; }

@media (max-width: 800px) {
  form.grid, fieldset { grid-template-columns: 1fr; }
  form.grid .span2, fieldset { grid-column: span 1; }
  .two-col { grid-template-columns: 1fr; }
  .plan-card .row2 { grid-template-columns: 1fr; }
  .analytics-grid { grid-template-columns: 1fr; }
  .analytics-wide { grid-column: span 1; }
  .panel-head, .filter-bar { align-items: stretch; flex-direction: column; }
  .donut-wrap { grid-template-columns: 1fr; justify-items: center; }
  .legend { width: 100%; }
}