.admin-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

@media (max-width: 900px) {
  .admin-layout {
    grid-template-columns: 1fr;
  }
}

.sidebar {
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  padding: 24px 16px;
}

.sidebar nav {
  display: grid;
  gap: 6px;
  margin-top: 24px;
}

.sidebar a {
  display: block;
  padding: 10px 14px;
  border-radius: 10px;
  color: var(--text-muted);
}

.sidebar a:hover,
.sidebar a.active {
  background: var(--bg-elevated);
  color: var(--text);
  text-decoration: none;
}

.admin-main {
  padding: 28px 32px 48px;
}

.admin-main h1 {
  font-size: 1.6rem;
  margin-bottom: 20px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

th,
td {
  text-align: left;
  padding: 12px 10px;
  border-bottom: 1px solid var(--border);
}

th {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-ok {
  background: rgba(37, 211, 102, 0.2);
  color: #7dffb0;
}

.badge-wait {
  background: rgba(134, 150, 160, 0.2);
  color: var(--text-muted);
}

.form-row {
  margin-bottom: 16px;
}

.form-row label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.form-row input[type="text"],
.form-row input[type="password"],
.form-row input[type="file"] {
  width: 100%;
  max-width: 420px;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.btn-sm {
  padding: 8px 14px;
  font-size: 0.85rem;
}

.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-card {
  width: min(400px, 100%);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}

.login-card h1 {
  font-size: 1.4rem;
  margin-bottom: 8px;
}

.login-card p {
  color: var(--text-muted);
  margin-bottom: 24px;
  font-size: 0.92rem;
}

.friend-list {
  list-style: none;
  display: grid;
  gap: 8px;
}

.friend-list li {
  padding: 10px 14px;
  background: var(--bg-elevated);
  border-radius: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.stat {
  background: var(--bg-elevated);
  border-radius: 12px;
  padding: 16px;
}

.stat strong {
  display: block;
  font-size: 1.5rem;
  margin-bottom: 4px;
}

.stat span {
  color: var(--text-muted);
  font-size: 0.82rem;
}