:root {
  --bg: #0a0f18;
  --fg: #e6edf3;
  --card: #0f1826;
  --card-border: #1c2838;
  --sidebar-bg: #0a1017;
  --accent: #2dd4bf;
  --accent-dark: #14b8a6;
  --muted: #8b98a9;
  --danger: #f87171;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

a { color: inherit; text-decoration: none; }

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

.sidebar {
  width: 280px;
  flex-shrink: 0;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--card-border);
  padding: 16px;
}

.sidebar .brand {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 8px 24px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--card-border);
}

.nav-item {
  display: flex;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  color: #cbd5e1;
  margin-bottom: 2px;
}
.nav-item:hover { background: rgba(255,255,255,.05); }
.nav-item.active { background: rgba(45,212,191,.1); color: var(--accent); }
.nav-item .label { font-size: 14px; font-weight: 500; }
.nav-item .desc { font-size: 12px; color: var(--muted); }

.main { flex: 1; min-height: 100vh; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px;
  border-bottom: 1px solid var(--card-border);
}
.topbar .crumb { font-size: 12px; letter-spacing: .1em; color: var(--muted); text-transform: uppercase; font-weight: 600; }
.topbar .user { display: flex; align-items: center; gap: 14px; }
.topbar .avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(45,212,191,.2); color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-weight: 600; font-size: 14px;
}
.topbar .logout { color: var(--muted); font-size: 13px; }
.topbar .logout:hover { color: var(--fg); }

.content { padding: 32px; max-width: 1100px; }

.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 12px;
}
.card.pad { padding: 32px; }

.page-header { margin-bottom: 24px; }
.page-header h1 { font-size: 28px; margin: 0 0 8px; }
.page-header p { color: var(--muted); margin: 0; }

.grid { display: grid; gap: 16px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) { .grid-3 { grid-template-columns: 1fr; } }

.stat { padding: 20px; }
.stat .label { font-size: 13px; color: var(--muted); margin-bottom: 4px; }
.stat .value { font-size: 30px; font-weight: 700; }
.stat.danger .value { color: var(--danger); }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; color: var(--muted); font-weight: 500; padding: 14px 16px; border-bottom: 1px solid var(--card-border); }
td { padding: 14px 16px; border-bottom: 1px solid rgba(255,255,255,.04); }
tr:last-child td { border-bottom: none; }

.table-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px; border-bottom: 1px solid var(--card-border);
  font-weight: 600;
}

.badge {
  display: inline-flex; align-items: center;
  padding: 3px 10px; border-radius: 999px;
  font-size: 12px; font-weight: 600;
}
.badge.grey { background: #1e293b; color: #cbd5e1; }
.badge.green { background: rgba(16,185,129,.15); color: #6ee7b7; }
.badge.red { background: rgba(239,68,68,.15); color: #fca5a5; }
.badge.amber { background: rgba(245,158,11,.15); color: #fcd34d; }
.badge.blue { background: rgba(59,130,246,.15); color: #93c5fd; }

.btn {
  display: inline-flex; align-items: center; gap: 6px;
  border: none; border-radius: 8px; padding: 9px 16px;
  font-size: 14px; font-weight: 600; cursor: pointer;
}
.btn-primary { background: var(--accent); color: #06201c; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-secondary { background: #16212f; color: var(--fg); border: 1px solid #263548; }
.btn-secondary:hover { background: #1c2a3b; }
.btn-danger { background: transparent; color: var(--danger); padding: 4px; }

.form-row { display: flex; gap: 14px; align-items: flex-end; flex-wrap: wrap; padding: 20px 24px; border-bottom: 1px solid var(--card-border); }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 12px; color: var(--muted); }
input[type=text], input[type=email], input[type=password], input[type=search], select {
  background: #0d1520; border: 1px solid #223045; border-radius: 8px;
  padding: 9px 12px; color: var(--fg); font-size: 14px; min-width: 200px;
}
input:focus, select:focus { outline: none; border-color: var(--accent); }

.switch { position: relative; display: inline-block; width: 44px; height: 24px; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch .slider {
  position: absolute; cursor: pointer; inset: 0;
  background: #334155; border-radius: 999px; transition: .15s;
}
.switch .slider:before {
  content: ""; position: absolute; height: 18px; width: 18px; left: 3px; top: 3px;
  background: white; border-radius: 50%; transition: .15s;
}
.switch input:checked + .slider { background: var(--accent); }
.switch input:checked + .slider:before { transform: translateX(20px); }

.alert { padding: 14px 18px; border-radius: 10px; margin-bottom: 16px; font-size: 14px; }
.alert.error { background: rgba(239,68,68,.1); border: 1px solid rgba(239,68,68,.3); color: #fca5a5; }
.alert.success { background: rgba(16,185,129,.1); border: 1px solid rgba(16,185,129,.3); color: #6ee7b7; }
.alert.info { background: rgba(59,130,246,.1); border: 1px solid rgba(59,130,246,.3); color: #93c5fd; }

.auth-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px;
  background:
    radial-gradient(circle at 20% 15%, rgba(45,212,191,.14), transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(45,212,191,.10), transparent 45%),
    var(--bg);
}
.auth-box { width: 100%; max-width: 400px; }
.auth-logo {
  display: flex; align-items: center; justify-content: center; margin-bottom: 32px;
}
.auth-logo .logo-plate {
  position: relative;
  padding: 28px 40px;
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(45,212,191,.08), rgba(255,255,255,.02));
  border: 1px solid rgba(45,212,191,.25);
  box-shadow: 0 0 50px -10px rgba(45,212,191,.25), inset 0 1px 0 rgba(255,255,255,.05);
}
.auth-logo img { height: 52px; width: auto; display: block; position: relative; z-index: 1; }
.auth-card {
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,0)), var(--card);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 36px 32px;
  box-shadow: 0 20px 60px -20px rgba(0,0,0,.6), 0 0 0 1px rgba(45,212,191,.04);
}
.auth-tagline { text-align:center; color: var(--muted); font-size: 13px; letter-spacing: .04em; margin: 0 0 28px; text-transform: uppercase; }
.auth-brand { display: flex; align-items: center; justify-content: center; gap: 8px; margin-bottom: 24px; font-weight: 600; font-size: 18px; }
.auth-brand .accent { color: var(--accent); }
.stack { display: flex; flex-direction: column; gap: 14px; }
.muted { color: var(--muted); }
.text-center { text-align: center; }
.mono { font-family: ui-monospace, "SF Mono", Consolas, monospace; }
.filters-box { background: rgba(0,0,0,.2); padding: 16px 24px; }
.filter-row {
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(15,24,38,.6); border-radius: 10px; padding: 10px 16px; margin-bottom: 8px;
}
.empty-row td { text-align: center; color: var(--muted); padding: 40px; }