:root {
  --bg: #0b1120;
  --panel: #111a2e;
  --panel-2: #16213b;
  --border: #223050;
  --text: #e6ebf5;
  --text-dim: #8b9bbd;
  --accent: #2dd4bf;
  --accent-dim: #134e4a;
  --danger: #f75c5c;
  --danger-dim: #4a1616;
  --warning: #f5b342;
  --radius: 10px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: 230px;
  background: var(--panel);
  border-right: 1px solid var(--border);
  padding: 20px 0;
  flex-shrink: 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 20px 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 12px;
}

.brand .mark {
  width: 28px; height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), #1a7f76);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; color: #04201d; font-size: 14px;
}

.brand .name { font-weight: 600; font-size: 15px; letter-spacing: 0.02em; }

.nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  color: var(--text-dim);
  font-size: 14px;
  border-left: 3px solid transparent;
}
.nav a:hover { color: var(--text); text-decoration: none; background: rgba(255,255,255,0.02); }
.nav a.active { color: var(--text); border-left-color: var(--accent); background: rgba(45,212,191,0.06); }

.main { flex: 1; padding: 28px 32px; max-width: 1200px; }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 24px;
}
.topbar h1 { font-size: 20px; margin: 0; }
.topbar .user { color: var(--text-dim); font-size: 13px; display: flex; align-items: center; gap: 12px; }

.logout-form button {
  background: none; border: 1px solid var(--border); color: var(--text-dim);
  padding: 6px 12px; border-radius: 6px; cursor: pointer; font-size: 12px;
}
.logout-form button:hover { color: var(--text); border-color: var(--text-dim); }

.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.stat-label { color: var(--text-dim); font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em; }
.stat-value { font-size: 28px; font-weight: 700; margin-top: 6px; }
.stat-value.ok { color: var(--accent); }
.stat-value.danger { color: var(--danger); }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; color: var(--text-dim); font-weight: 500; padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; }
td { padding: 12px; border-bottom: 1px solid var(--border); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255,255,255,0.015); }

.badge { display: inline-flex; align-items: center; gap: 5px; padding: 3px 9px; border-radius: 999px; font-size: 11px; font-weight: 600; letter-spacing: 0.02em; }
.badge.ok { background: var(--accent-dim); color: var(--accent); }
.badge.danger { background: var(--danger-dim); color: var(--danger); }
.badge.warn { background: rgba(245,179,66,0.12); color: var(--warning); }
.badge.dim { background: rgba(255,255,255,0.06); color: var(--text-dim); }
.dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

.btn {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--accent); color: #04201d; border: none;
  padding: 8px 14px; border-radius: 6px; font-size: 13px; font-weight: 600;
  cursor: pointer;
}
.btn:hover { filter: brightness(1.08); }
.btn.secondary { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); }
.btn.danger { background: var(--danger-dim); color: var(--danger); border: 1px solid #5c2020; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.section-header h2 { font-size: 15px; margin: 0; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.04em; }

input[type=text], input[type=password], textarea, select {
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  padding: 9px 11px; border-radius: 6px; font-size: 13px; width: 100%;
}
label { font-size: 12px; color: var(--text-dim); display: block; margin-bottom: 5px; }
.field { margin-bottom: 14px; }

.login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-box { width: 340px; background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; }
.login-box .brand { border: none; padding: 0 0 22px; justify-content: center; }
.error-msg { background: var(--danger-dim); color: var(--danger); padding: 10px 12px; border-radius: 6px; font-size: 13px; margin-bottom: 16px; }
.muted { color: var(--text-dim); font-size: 13px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12px; }

.key-reveal { background: var(--panel-2); border: 1px dashed var(--accent); padding: 12px; border-radius: 6px; margin-top: 10px; word-break: break-all; }