:root {
  --sidebar-bg: #0f1525;
  --sidebar-text: #c9cfdc;
  --sidebar-muted: #6b7489;
  --sidebar-active: #1e2740;
  --accent: #6c4cff;
  --accent-soft: #eeeaff;
  --page-bg: #f5f6f8;
  --card-bg: #ffffff;
  --border: #e6e8ee;
  --text: #1b2132;
  --muted: #6b7280;
  --success: #22c55e;
  --danger: #dc2626;
  --radius: 8px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; font: 14px/1.5 var(--font); color: var(--text); background: var(--page-bg); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

.brand { display: flex; align-items: center; gap: 10px; font-size: 18px; font-weight: 700; color: #fff; }
.brand-dark { color: var(--text); }
.brand-mark { width: 26px; height: 26px; fill: var(--accent); stroke: none; }

/* Login */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { width: 100%; max-width: 360px; background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; display: grid; gap: 14px; }
.login-card label { display: grid; gap: 6px; font-weight: 500; }
input { font: inherit; padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; background: #fff; color: var(--text); }
input:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
.button { font: inherit; font-weight: 600; color: #fff; background: var(--accent); border: 0; border-radius: 6px; padding: 9px 14px; cursor: pointer; }
.button:hover { filter: brightness(1.08); }
.error { color: var(--danger); margin: 0; }
.muted { color: var(--muted); margin: 0; }

/* Shell */
.shell { display: flex; min-height: 100vh; }
.sidebar { width: 240px; flex-shrink: 0; background: var(--sidebar-bg); color: var(--sidebar-text); padding: 18px 12px; display: flex; flex-direction: column; gap: 24px; position: sticky; top: 0; height: 100vh; }
.sidebar .brand { padding: 0 8px; }
.sidebar nav { display: grid; gap: 4px; flex: 1; align-content: start; }
.nav-heading { margin: 16px 8px 4px; font-size: 11px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--sidebar-muted); }
.nav-link { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 6px; color: var(--sidebar-text); font: inherit; background: none; border: 0; cursor: pointer; text-align: left; }
.nav-link:hover { background: var(--sidebar-active); text-decoration: none; }
.nav-link.active { background: var(--sidebar-active); color: #fff; box-shadow: inset 3px 0 0 var(--accent); }
.logout { color: var(--sidebar-muted); }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar { display: flex; justify-content: flex-end; gap: 16px; padding: 10px 24px; background: var(--card-bg); border-bottom: 1px solid var(--border); }
.metric { display: grid; font-size: 12px; text-align: left; }
.metric-label { color: var(--muted); }
.metric-value { font-weight: 600; }
.view { padding: 20px 24px 40px; display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; align-content: start; }

/* Page parts */
.page-title { display: flex; align-items: center; gap: 12px; margin: 0; font-size: 22px; font-weight: 600; }
.badge { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 500; padding: 2px 8px; border-radius: 6px; background: var(--accent-soft); color: var(--accent); }
.badge.live::after { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--success); }
.badge.danger { background: #fdecec; color: var(--danger); }
.badge.ok { background: #e8f8ee; color: #15803d; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.card { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; }
.card h2 { margin: 0 0 12px; font-size: 15px; font-weight: 600; }
.stat-label { color: var(--text); }
.stat-value { font-size: 26px; font-weight: 600; margin: 6px 0 2px; }
.stat-caption { color: var(--muted); font-size: 13px; }

.toolbar { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.toolbar input { flex: 1; min-width: 220px; }
.pager { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: 13px; }
.pager button { font: inherit; width: 30px; height: 30px; border: 1px solid var(--border); background: var(--card-bg); border-radius: 6px; cursor: pointer; color: var(--text); }
.pager button:disabled { opacity: .4; cursor: default; }

.table-wrap { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-weight: 500; color: var(--muted); background: #f9fafb; padding: 10px 14px; border-bottom: 1px solid var(--border); white-space: nowrap; }
td { padding: 10px 14px; border-bottom: 1px solid var(--border); white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: #fafbff; }
.mono { font-family: var(--mono); font-size: 13px; }
.empty { padding: 24px; text-align: center; color: var(--muted); }

.breadcrumb { display: flex; gap: 8px; color: var(--muted); font-size: 15px; }
.breadcrumb strong { color: var(--text); font-weight: 600; }
.profile-head { display: flex; align-items: center; gap: 14px; }
.avatar { width: 52px; height: 52px; border-radius: var(--radius); background: #eef0f4; display: grid; place-items: center; color: var(--muted); }
.avatar svg { width: 24px; height: 24px; }
.profile-head h1 { margin: 0; font-size: 20px; font-weight: 600; word-break: break-all; }
.tabs { display: flex; gap: 24px; border-bottom: 1px solid var(--border); }
.tab { padding: 8px 0; color: var(--accent); border-bottom: 2px solid var(--accent); font-weight: 500; }
.fields { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 10px 32px; }
.field-label { color: var(--muted); }
.json { position: relative; margin: 0; padding: 10px 40px 10px 12px; background: #f9fafb; border: 1px solid var(--border); border-left: 3px solid var(--border); border-radius: 6px; font: 13px/1.5 var(--mono); white-space: pre-wrap; word-break: break-all; }
.copy { position: absolute; top: 6px; right: 6px; border: 0; background: none; color: var(--muted); cursor: pointer; padding: 4px; }
.copy:hover { color: var(--accent); }
.section-title { margin: 16px 0 8px; font-size: 14px; font-weight: 600; }

@media (max-width: 760px) {
  .shell { flex-direction: column; }
  .sidebar { width: auto; height: auto; position: static; flex-direction: row; align-items: center; flex-wrap: wrap; gap: 8px; }
  .sidebar nav { display: flex; flex: 1; }
  .nav-heading { display: none; }
  .view, .topbar { padding-left: 16px; padding-right: 16px; }
}