:root {
  --bg: hsl(210 20% 98%);
  --bg-soft: hsl(210 30% 96%);
  --card: #ffffff;
  --fg: hsl(222 47% 11%);
  --fg-2: hsl(215 20% 32%);
  --muted: hsl(215 16% 47%);
  --border: hsl(214 32% 91%);
  --border-2: hsl(214 32% 85%);
  --primary: hsl(217 91% 50%);
  --primary-hover: hsl(217 91% 45%);
  --primary-soft: hsl(217 91% 95%);
  --primary-ink: hsl(217 91% 40%);
  --success: hsl(142 76% 36%);
  --success-soft: hsl(142 60% 94%);
  --danger: hsl(0 72% 51%);
  --danger-soft: hsl(0 86% 97%);
  --radius: 10px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px hsl(222 47% 11% / .05);
  --shadow-md: 0 4px 12px -2px hsl(222 47% 11% / .08), 0 2px 4px -2px hsl(222 47% 11% / .06);
}

* { box-sizing: border-box; margin: 0; padding: 0; -webkit-font-smoothing: antialiased; }
html, body { height: 100%; }
body {
  font-family: Inter, system-ui, -apple-system, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  color: var(--fg);
  background: var(--bg);
}

#blazor-error-ui { display: none; }
#blazor-error-ui.shown { display: block; }

.admin-shell { min-height: 100vh; display: grid; grid-template-columns: 240px 1fr; }
.admin-side {
  background: hsl(222 47% 11%);
  color: #fff;
  padding: 24px 18px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.admin-brand { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; }
.admin-logo { height: 18px; width: auto; display: block; max-width: 100%; }
.admin-brand-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: hsl(210 30% 80%);
}
.login-card .admin-logo { height: 20px; }
.admin-nav { display: grid; gap: 6px; }
.admin-nav a {
  color: hsl(210 30% 80%);
  text-decoration: none;
  padding: 10px 12px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
}
.admin-nav a.active, .admin-nav a:hover { background: hsl(0 0% 100% / .08); color: #fff; }
.admin-side-foot { margin-top: auto; }
.admin-side-foot button, .btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 40px; padding: 0 16px; border-radius: var(--radius);
  font-family: inherit; font-size: 14px; font-weight: 600;
  border: 1px solid transparent; cursor: pointer;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-ghost { background: transparent; color: inherit; border-color: hsl(0 0% 100% / .18); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn:disabled { opacity: .6; cursor: not-allowed; }

.admin-main { padding: 32px 40px; }
.admin-main h1 { font-size: 28px; letter-spacing: -0.03em; margin-bottom: 8px; }
.lede { color: var(--fg-2); margin-bottom: 24px; }

.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
  overflow: auto;
}

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); background: var(--bg-soft); }
td { font-size: 14px; }
.muted { color: var(--muted); }
.badge {
  display: inline-flex; align-items: center; height: 24px; padding: 0 10px;
  border-radius: 999px; font-size: 12px; font-weight: 700;
}
.badge-on { background: var(--success-soft); color: var(--success); }
.badge-off { background: var(--danger-soft); color: var(--danger); }

.login-wrap {
  min-height: 100vh; display: grid; place-items: center; padding: 24px;
  background: radial-gradient(1200px 600px at 80% -10%, hsl(217 91% 95% / .8), transparent 60%), var(--bg);
}
.login-card {
  width: min(420px, 100%); background: var(--card); border: 1px solid var(--border);
  border-radius: 16px; padding: 32px; box-shadow: var(--shadow-md);
}
.login-card h1 { font-size: 24px; margin: 8px 0 6px; }
.field { display: grid; gap: 6px; margin: 16px 0; }
.field label { font-size: 13px; font-weight: 600; }
.field input {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border);
  border-radius: var(--radius-sm); font: inherit; background: var(--bg);
}
.field input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.alert { margin: 12px 0; color: var(--danger); font-size: 14px; }
.login-card .btn { width: 100%; margin-top: 8px; }
.empty { padding: 32px; color: var(--muted); }

@media (max-width: 860px) {
  .admin-shell { grid-template-columns: 1fr; }
  .admin-side { flex-direction: row; align-items: center; gap: 16px; padding: 14px 16px; }
  .admin-brand { flex-direction: row; align-items: center; gap: 10px; }
  .admin-nav { display: flex; }
  .admin-side-foot { margin-top: 0; margin-left: auto; }
  .admin-main { padding: 20px 16px; }
}