@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@200;300;400;500;600;700&display=swap");

body {
  background: #f6f6f6;
  margin: 0;
  padding: 0;
  font-family: "Poppins", sans-serif;
}

.topbar {
  width: 100%;
  background: #2d2d2d;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: 60px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  box-sizing: border-box;
}

.topbar .logo {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 1px;
  color: #f27438;
}

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

.topbar .actions {
  display: flex;
  gap: 16px;
}

.topbar .actions a {
  text-decoration: none;
  color: #fff;
  background: #f27438;
  padding: 8px 20px;
  border-radius: 4px;
  font-weight: 500;
  transition: background 0.2s;
}

.topbar .actions a.signup {
  background: #fff;
  color: #f27438;
  border: 1px solid #f27438;
}

.topbar .actions a:hover {
  background: #f27438;
  color: #fff;
}

.dashboard {
  max-width: 600px;
  margin: 60px auto 0 auto;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.07);
  padding: 40px 32px;
  text-align: center;
}

.dashboard h1 {
  color: #222;
  font-size: 2.2rem;
  margin-bottom: 12px;
}

.dashboard p {
  color: #666;
  font-size: 1.1rem;
  margin-bottom: 32px;
}

.dashboard .sensor-preview {
  margin: 32px 0 0 0;
  padding: 32px 0;
  border-radius: 8px;
  background: #f2fdf7;
  border: 1px dashed #f27438;
  color: #f27438;
  font-size: 1.3rem;
  font-weight: 500;
}