/* HTunnel shared UI — single small hand-rolled stylesheet, no build chain. */
:root {
  --bg: #0f1420; --panel: #171e2e; --panel-2: #1d2638; --border: #2a3550;
  --text: #dbe4f5; --muted: #8494b3; --accent: #4f8cff; --accent-2: #2f6ae0;
  --ok: #2fbf71; --warn: #e0a52f; --err: #e05252; --info: #4f8cff;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 14px/1.5 -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px; }
pre { background: var(--panel-2); border: 1px solid var(--border); border-radius: 8px; padding: 12px; overflow: auto; }
.muted { color: var(--muted); }

.layout { display: flex; min-height: 100vh; }
.sidebar { width: 220px; background: var(--panel); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; padding: 16px 12px; position: sticky; top: 0; height: 100vh; }
.brand { font-size: 18px; font-weight: 700; padding: 4px 10px 16px; }
.brand .ver { color: var(--muted); font-size: 11px; font-weight: 400; }
.nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.nav a { color: var(--text); padding: 8px 10px; border-radius: 8px; }
.nav a:hover { background: var(--panel-2); text-decoration: none; }
.nav a.active { background: var(--accent-2); color: #fff; }
.nav-section { margin: 14px 10px 4px; font-size: 11px; text-transform: uppercase; color: var(--muted); letter-spacing: .08em; }
.sidebar-footer { padding: 10px; border-top: 1px solid var(--border); }
.user-chip { margin-bottom: 6px; font-weight: 600; }
.inline-form { display: inline; }
.link-btn { background: none; border: none; color: var(--accent); cursor: pointer; padding: 0; font: inherit; }
.link-btn:hover { text-decoration: underline; }

.main { flex: 1; padding: 24px 28px; max-width: 1200px; }
.page-header h1 { margin: 0 0 18px; font-size: 22px; }

.alert { padding: 10px 14px; border-radius: 8px; margin-bottom: 16px; border: 1px solid var(--border); background: var(--panel-2); }
.alert-info { border-color: var(--info); }
.alert-success { border-color: var(--ok); }
.alert-error { border-color: var(--err); color: #f3c1c1; }

.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 18px; margin-bottom: 18px; }
.panel h2 { margin: 0 0 12px; font-size: 16px; }
.panel h3 { font-size: 14px; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 12px; margin-bottom: 18px; }
.stat-card { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; }
.stat-label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .05em; }
.stat-value { font-size: 24px; font-weight: 700; margin-top: 4px; }
.stat-sub { color: var(--muted); font-size: 12px; margin-top: 2px; }

table.table { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.table th, .table td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
.table th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .05em; background: var(--panel-2); }
.table tr:last-child td { border-bottom: none; }
.table tr:hover td { background: var(--panel-2); }

.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 11.5px; font-weight: 600; border: 1px solid var(--border); }
.badge-ok { color: var(--ok); border-color: var(--ok); }
.badge-warn { color: var(--warn); border-color: var(--warn); }
.badge-err { color: var(--err); border-color: var(--err); }
.badge-info { color: var(--info); border-color: var(--info); }
.badge-muted { color: var(--muted); }

form.form { display: flex; flex-direction: column; gap: 12px; max-width: 560px; }
.form-row { display: flex; gap: 12px; }
.form-row > * { flex: 1; }
label { display: block; font-size: 12.5px; color: var(--muted); margin-bottom: 4px; }
input[type=text], input[type=password], input[type=number], input[type=url], select, textarea {
  width: 100%; background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  border-radius: 8px; padding: 8px 10px; font: inherit; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent-2); border-color: var(--accent); }
.checkbox-row { display: flex; align-items: center; gap: 8px; }
.checkbox-row label { margin: 0; color: var(--text); }

.btn { display: inline-block; background: var(--accent-2); color: #fff; border: none; border-radius: 8px;
  padding: 8px 16px; font: inherit; font-weight: 600; cursor: pointer; }
.btn:hover { background: var(--accent); text-decoration: none; }
.btn-secondary { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); }
.btn-danger { background: #8c2f2f; }
.btn-sm { padding: 4px 10px; font-size: 12.5px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

.pagination { display: flex; gap: 6px; margin: 14px 0; }
.page-btn { padding: 4px 10px; border: 1px solid var(--border); border-radius: 6px; color: var(--text); }
.page-btn.current { background: var(--accent-2); color: #fff; }
.page-btn.disabled { color: var(--muted); }

.empty-state { text-align: center; color: var(--muted); padding: 40px 0; }
.filter-bar { display: flex; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; align-items: end; }
.filter-bar .field { min-width: 140px; }
.kv { display: grid; grid-template-columns: 220px 1fr; gap: 6px 12px; }
.kv dt { color: var(--muted); } .kv dd { margin: 0; }
.token-reveal { background: var(--panel-2); border: 1px solid var(--warn); border-radius: 8px; padding: 12px; word-break: break-all; }

.auth-layout { max-width: 400px; margin: 10vh auto; padding: 0 16px; }
.auth-card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 28px; }
.auth-card h1 { margin: 0 0 18px; font-size: 20px; }

.copy-block { position: relative; }
.copy-block pre { padding-top: 38px; }
.copy-block .copy-btn { position: absolute; top: 8px; left: 8px; }

.table .btn { white-space: nowrap; }
.table td.actions-col, .table th.actions-col { white-space: nowrap; width: 1%; }

@media (max-width: 900px) {
  .layout { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: static; }
  .main { padding: 16px; }
}