:root {
  --bg: #0c1117;
  --bg-elev: #121a24;
  --sidebar: #0a0f14;
  --card: #151e28;
  --text: #e8eef5;
  --muted: #8b9aab;
  --ok: #3dd68c;
  --warn: #f0c674;
  --bad: #f07178;
  --accent: #4db8e8;
  --accent-dim: rgba(77, 184, 232, 0.12);
  --border: #243041;
  --sidebar-w: 248px;
  --font: "DM Sans", "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.45;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, .mono {
  font-family: var(--mono);
  font-size: 0.82em;
  word-break: break-all;
}
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); border: 0;
}
.tiny { font-size: 0.78rem; }
.muted { color: var(--muted); }
.hidden { display: none !important; }

.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
}
.app.sidebar-collapsed { grid-template-columns: 0 1fr; }
.app.sidebar-collapsed .sidebar { transform: translateX(-100%); }

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  background: linear-gradient(180deg, #0d141c 0%, var(--sidebar) 100%);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 40;
  transition: transform 0.2s ease;
}
.brand {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  padding: 1.15rem 1rem;
  border-bottom: 1px solid var(--border);
}
.brand-mark {
  width: 36px; height: 36px; border-radius: 10px;
  background: linear-gradient(135deg, #1e6f9a, #3dd68c);
  display: grid; place-items: center;
  font-weight: 700; color: #041018;
}
.brand-name { font-weight: 700; letter-spacing: -0.02em; }
.brand-sub { font-size: 0.75rem; color: var(--muted); }

.nav {
  flex: 1;
  overflow: auto;
  padding: 0.75rem 0.6rem 1rem;
}
.nav-group {
  margin: 0.9rem 0.55rem 0.35rem;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #6b7c8f;
  font-weight: 600;
}
.nav-item {
  display: block;
  padding: 0.55rem 0.7rem;
  border-radius: 8px;
  color: #c5d0db;
  text-decoration: none;
  margin-bottom: 2px;
  font-size: 0.92rem;
  border: 1px solid transparent;
}
.nav-item:hover {
  background: rgba(255,255,255,0.04);
  text-decoration: none;
  color: var(--text);
}
.nav-item.active {
  background: var(--accent-dim);
  border-color: rgba(77, 184, 232, 0.25);
  color: var(--accent);
  font-weight: 600;
}
.nav-item.external { color: var(--muted); font-size: 0.88rem; }

.sidebar-foot {
  padding: 0.85rem 1rem 1.1rem;
  border-top: 1px solid var(--border);
}
.mode-chip {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  background: rgba(240, 198, 116, 0.12);
  color: var(--warn);
  border: 1px solid rgba(240, 198, 116, 0.3);
  margin-bottom: 0.35rem;
}
.mode-chip.mx {
  background: rgba(61, 214, 140, 0.12);
  color: var(--ok);
  border-color: rgba(61, 214, 140, 0.3);
}

.main { min-width: 0; display: flex; flex-direction: column; min-height: 100vh; }
.topbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-elev) 90%, black);
  position: sticky;
  top: 0;
  z-index: 30;
}
.topbar-title { flex: 1; min-width: 0; }
.topbar-title h1 {
  margin: 0;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}
.topbar-title .muted { margin: 0.15rem 0 0; font-size: 0.85rem; }
.topbar-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.menu-btn {
  display: none;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 0.4rem 0.55rem;
  cursor: pointer;
}

input, button, select {
  font: inherit;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  padding: 0.5rem 0.7rem;
}
.btn { cursor: pointer; background: #1e2a38; }
.btn:hover { background: #243447; }
.btn.primary {
  background: linear-gradient(135deg, #1a6f96, #2a9a6a);
  border-color: transparent;
  font-weight: 600;
}
.token-wrap input { width: 11rem; }
.pill {
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  background: #2a3542;
  white-space: nowrap;
}
.pill.ok { background: rgba(61, 214, 140, 0.15); color: var(--ok); }
.pill.bad { background: rgba(240, 113, 120, 0.15); color: var(--bad); }
.pill.warn { background: rgba(240, 198, 116, 0.15); color: var(--warn); }

.lock-screen {
  flex: 1;
  display: grid;
  place-items: center;
  padding: 2rem;
  background:
    radial-gradient(800px 400px at 20% 0%, rgba(30, 111, 154, 0.25), transparent),
    radial-gradient(600px 300px at 90% 20%, rgba(61, 214, 140, 0.08), transparent),
    var(--bg);
}
.app:not(.locked) .lock-screen { display: none; }
.app.locked .content { display: none !important; }
.app.locked .sidebar { filter: grayscale(0.3); opacity: 0.85; pointer-events: none; }
.lock-card {
  width: min(440px, 100%);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.5rem;
  box-shadow: 0 20px 50px rgba(0,0,0,0.35);
}
.lock-card h2 { margin: 0 0 0.5rem; font-size: 1.25rem; }
.lock-row { display: flex; gap: 0.5rem; margin: 1rem 0; }
.lock-row input { flex: 1; }

.content {
  padding: 1.25rem 1.5rem 2.5rem;
  flex: 1;
}

.banner {
  margin: 0 0 1.15rem;
  padding: 0.85rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  font-size: 0.92rem;
  line-height: 1.45;
}
.banner.warn {
  background: rgba(240, 180, 80, 0.1);
  border-color: rgba(240, 180, 80, 0.35);
  color: var(--warn);
}
.banner.ok {
  background: rgba(61, 214, 140, 0.08);
  border-color: rgba(61, 214, 140, 0.3);
  color: var(--ok);
}
.banner.bad {
  background: rgba(240, 113, 120, 0.1);
  border-color: rgba(240, 113, 120, 0.3);
  color: var(--bad);
}

.grid {
  display: grid;
  gap: 0.9rem;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}
.grid-2 {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem 1.05rem;
}
.card h3 {
  margin: 0;
  font-size: 0.72rem;
  color: var(--muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.card .stat {
  font-size: 1.55rem;
  font-weight: 700;
  margin-top: 0.35rem;
  letter-spacing: -0.02em;
}
.card .stat.sm { font-size: 1.05rem; font-weight: 650; }
.card p { margin: 0.35rem 0 0; }

.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem 1.1rem;
  margin-bottom: 1rem;
}
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 0.75rem;
}
.panel-head h2 {
  margin: 0;
  font-size: 1rem;
  letter-spacing: -0.01em;
}
.panel-head .muted { margin: 0; font-size: 0.85rem; }

table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}
table.data th, table.data td {
  text-align: left;
  padding: 0.5rem 0.4rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
table.data th {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
table.data tr:hover td { background: rgba(255,255,255,0.02); }
.empty {
  padding: 1.25rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}

.btn-link {
  background: transparent;
  border: none;
  color: var(--accent);
  padding: 0;
  cursor: pointer;
  font: inherit;
  text-decoration: underline;
}
.tag {
  display: inline-block;
  padding: 0.12rem 0.4rem;
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 600;
  background: #243041;
}
.tag.ok { background: rgba(61,214,140,0.15); color: var(--ok); }
.tag.warn { background: rgba(240,198,116,0.15); color: var(--warn); }
.tag.bad { background: rgba(240,113,120,0.15); color: var(--bad); }

.detail-box {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: 10px;
  border: 1px dashed var(--border);
  background: rgba(0,0,0,0.2);
}
.kv {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 0.35rem 0.75rem;
  font-size: 0.9rem;
}
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }

.toast {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  background: #1a2430;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.65rem 0.9rem;
  border-radius: 8px;
  z-index: 100;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  max-width: 360px;
}
.toast.bad { border-color: rgba(240,113,120,0.5); }

@media (max-width: 960px) {
  .app { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed;
    left: 0; top: 0;
    width: var(--sidebar-w);
    transform: translateX(-100%);
  }
  .app.menu-open .sidebar { transform: translateX(0); }
  .menu-btn { display: inline-block; }
  .token-wrap input { width: 8rem; }
  .kv { grid-template-columns: 1fr; }
}