:root {
  --background: #090909;
  --foreground: #f2f2f2;
  --surface: #111111;
  --card: #161616;
  --border: #242424;
  --muted: #8a8a8a;
  --accent: #f5f2eb;
  --ok: #4ade80;
  --bad: #f87171;
  --warn: #fbbf24;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--background);
  color: var(--foreground);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 14px;
  height: 100%;
}

.hidden { display: none !important; }
.muted { color: var(--muted); }
.error { color: var(--bad); }

/* Topbar */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { font-weight: 700; font-size: 15px; letter-spacing: 0.02em; }
.topbar-status { font-size: 12px; color: var(--muted); }

/* Layout */
.layout {
  display: flex;
  min-height: calc(100vh - 45px);
}
.sidebar {
  width: 300px;
  flex-shrink: 0;
  border-right: 1px solid var(--border);
  background: var(--surface);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.nav-btn {
  text-align: left;
  background: transparent;
  border: 1px solid transparent;
  color: var(--foreground);
  padding: 8px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
}
.nav-btn:hover { background: var(--card); }
.nav-btn.active { background: var(--card); border-color: var(--border); color: var(--accent); }

.search-box { margin-top: 12px; }
.search-box input {
  width: 100%;
  background: var(--background);
  border: 1px solid var(--border);
  color: var(--foreground);
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 13px;
  outline: none;
}
.search-box input:focus { border-color: var(--accent); }

.search-results { display: flex; flex-direction: column; gap: 2px; margin-top: 4px; }
.search-result {
  padding: 6px 8px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 12px;
}
.search-result:hover { background: var(--card); }
.search-result .muted { font-size: 11px; }

.main { flex: 1; padding: 24px; overflow-x: auto; }

/* Cards */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
}
.card h2 { margin: 0 0 12px; font-size: 15px; font-weight: 600; }
.card h3 { margin: 16px 0 8px; font-size: 13px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}
.stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
}
.stat .num { font-size: 26px; font-weight: 700; }
.stat .label { color: var(--muted); font-size: 12px; margin-top: 2px; }
.ok { color: var(--ok); }
.bad { color: var(--bad); }
.warn { color: var(--warn); }

/* Tables */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 7px 9px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 500; font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; }
tr:hover td { background: rgba(245, 242, 235, 0.02); }

/* Badges */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 11px;
  margin-right: 4px;
}
.badge.valid { color: var(--ok); border-color: var(--ok); }
.badge.invalid { color: var(--bad); border-color: var(--bad); }

/* Object view */
.object-title { font-size: 22px; font-weight: 700; margin-bottom: 4px; }
.object-sub { color: var(--muted); margin-bottom: 16px; }
.block { margin-bottom: 20px; }
.block ul { margin: 0; padding-left: 18px; }
.block li { margin-bottom: 6px; line-height: 1.45; }

/* Login */
.login-overlay {
  position: fixed;
  inset: 0;
  background: var(--background);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
.login-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 28px;
  width: 340px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.login-card h1 { font-size: 18px; margin: 0; }
.login-card label { font-size: 12px; color: var(--muted); margin-top: 6px; }
.login-card input {
  background: var(--background);
  border: 1px solid var(--border);
  color: var(--foreground);
  border-radius: 6px;
  padding: 9px 10px;
  outline: none;
}
.login-card input:focus { border-color: var(--accent); }
.btn {
  background: var(--accent);
  color: var(--background);
  border: none;
  border-radius: 6px;
  padding: 10px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 10px;
}
.btn:hover { opacity: 0.9; }

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }