.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-0);
  background: rgba(1, 3, 19, 0.82);
}

.topbar-inner {
  width: min(1200px, calc(100% - 2rem));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.3px;
}

.brand span {
  color: var(--accent-a);
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.nav a {
  padding: 0.45rem 0.65rem;
  border-radius: 10px;
  color: var(--text-1);
  border: 1px solid transparent;
  font-size: 0.9rem;
}

.nav a.active,
.nav a:hover {
  color: var(--text-0);
  border-color: var(--border-0);
  background: var(--surface-0);
}

.button {
  border: 0;
  border-radius: 12px;
  padding: 0.72rem 1rem;
  font-weight: 600;
  cursor: pointer;
}

.button-primary {
  color: #ffffff;
  background: linear-gradient(135deg, var(--accent-a), var(--accent-b));
}

.button-danger {
  color: #fff;
  background: var(--danger);
}

.card {
  border: 1px solid var(--border-0);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03));
  padding: 1rem;
}

.grid {
  display: grid;
  gap: 1rem;
}

.grid.stats {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.stat-value {
  font-size: 1.4rem;
  font-weight: 700;
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th,
.table td {
  border-bottom: 1px solid var(--border-0);
  padding: 0.65rem;
  text-align: left;
  font-size: 0.92rem;
}

.input,
.textarea,
.select {
  width: 100%;
  padding: 0.72rem 0.85rem;
  border-radius: 10px;
  border: 1px solid var(--border-0);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-0);
}

.input:focus,
.textarea:focus,
.select:focus {
  outline: none;
  border-color: var(--accent-b);
}

.notice {
  padding: 0.7rem 0.85rem;
  border-radius: 10px;
  border: 1px solid var(--border-0);
  color: var(--text-1);
}

.notice.error {
  border-color: rgba(239, 68, 68, 0.45);
  color: #fecaca;
}

.notice.success {
  border-color: rgba(34, 197, 94, 0.45);
  color: #bbf7d0;
}