.app-shell {
  min-height: 100vh;
  background: #f3f4f6;
  color: #1f2937;
}

.topbar {
  display: grid;
  grid-template-columns: 150px 1fr auto;
  gap: 16px;
  align-items: center;
  background: #ffffff;
  border-bottom: 1px solid #e5e7eb;
  padding: 12px 24px;
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  display: flex;
  gap: 10px;
  align-items: center;
  min-width: 0;
}

.brand img {
  width: 54px;
  height: 54px;
  object-fit: contain;
  flex-shrink: 0;
}

.brand strong {
  display: block;
  line-height: 1.05;
  font-size: 15px;
}

.brand span {
  display: block;
  color: #6b7280;
  font-size: 12px;
  margin-top: 2px;
}

.logout-button {
  justify-self: end;
  background: #ffffff;
  color: #1f2937;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  padding: 11px 16px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
}

.logout-button:hover {
  border-color: #f97316;
  background: #fff7ed;
}

.notice {
  max-width: 1600px;
  margin: 18px auto 0;
  padding: 12px 24px;
  background: #fff8ed;
  border: 1px solid #fed7aa;
  border-radius: 14px;
}

.empty-page {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 16px;
  padding: 24px;
}

.empty-page h1 {
  margin: 0 0 8px;
  color: #111827;
}

.empty-page p {
  margin: 0 0 18px;
  color: #6b7280;
}

.empty-card {
  border: 1px dashed #cbd5e1;
  background: #f8fafc;
  border-radius: 16px;
  padding: 24px;
  color: #374151;
}

.app-content {
  max-width: 1600px;
  margin: 24px auto 0;
  padding: 0 24px;
}

.app-content {
  margin-bottom: 24px;
}

.app-content {
  min-width: 0;
}