body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
  background: #f0f2f5;
}

.layout {
  display: grid;
  grid-template-areas:
    "top top top"
    "left content right"
    "bottom bottom bottom";
  grid-template-columns: 120px 1fr 120px;
  grid-template-rows: auto 1fr auto;
  min-height: 100vh;
}

.adsense-top {
  grid-area: top;
  background-color: #f9f9f9;
  border-bottom: 1px solid #ddd;
  text-align: center;
  padding: 10px;
}

.adsense-bottom {
  grid-area: bottom;
  background-color: #f9f9f9;
  border-top: 1px solid #ddd;
  text-align: center;
  padding: 10px;
}

.sidebar-left {
  grid-area: left;
  padding: 20px;
  background: #f4f4f4;
}

.sidebar-right {
  grid-area: right;
  padding: 20px;
  background: #f4f4f4;
}

.content {
  grid-area: content;
  padding: 40px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.form-card {
  background: white;
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 700px;
}

.form-card h1 {
  margin-bottom: 30px;
  font-weight: 600;
  font-size: 28px;
  text-align: center;
}

.form-group {
  margin-bottom: 20px;
}

label {
  font-weight: 500;
  display: block;
  margin-bottom: 6px;
}

input[type="text"], select {
  width: 100%;
  padding: 12px;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 16px;
}

button[type="submit"], .about-button {
  width: 100%;
  padding: 14px;
  font-size: 16px;
  font-weight: 600;
  color: white;
  background-color: #007BFF;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.3s ease;
}

button[type="submit"]:hover, .about-button:hover {
  background-color: #0056b3;
}

/* Custom file upload */
.custom-file-upload {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
}

.custom-file-upload button {
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  background-color: #007BFF;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.3s ease;
}

.custom-file-upload button:hover {
  background-color: #0056b3;
}

#file-name {
  font-size: 14px;
  color: #333;
}