.add-topic-container {
  max-width: 1140px;
  margin: 40px auto;
  padding: 30px;
  background-color: #ffffff;
  border-radius: 10px;
  color: #1a1a1a;
  border: 1px solid #e3e3e3;
}

.add-topic-title {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 30px;
  color: #222;
}

.rules-box {
  background-color: #f8f8f8;
  padding: 15px 20px;
  margin-bottom: 30px;
  border-left: 4px solid var(--main);
  border-radius: 6px;
}

.rules-box summary {
  font-weight: bold;
  font-size: 1.1rem;
  cursor: pointer;
  color: #222;
}

.rules-box summary::-webkit-details-marker {
  display: none;
}

.rules-box ul {
  margin-top: 10px;
  padding-left: 20px;
  color: #555;
  font-size: 0.95rem;
}

.add-topic-form {
  display: flex;
  flex-direction: column;
  gap: 25px;
}

.add-topic-form label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  color: #222;
}

.form-input,
.form-select,
.form-textarea,
.form-file {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #ccc;
  border-radius: 6px;
  background-color: #fff;
  color: #333;
  font-size: 1rem;
  box-sizing: border-box;
  transition: 0.2s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus,
.form-file:focus {
  border-color: var(--main);
  box-shadow: 0 0 4px rgba(240, 76, 47, 0.4);
  outline: none;
}

.options-box {
  background-color: #f4f4f4;
  padding: 16px 20px;
  border-radius: 6px;
  border: 1px solid #ddd;
}

.options-box h3 {
  margin-bottom: 12px;
  color: #222;
  font-size: 1.1rem;
}

.form-checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 0.95rem;
  color: #444;
  cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: #f04c2f;
  cursor: pointer;
}

.submit-button {
  background-color: var(--main);
  color: #fff;
  padding: 14px 30px;
  font-size: 1.05rem;
  font-weight: bold;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.3s ease;
  width: auto;
  align-self: flex-start;
}

.submit-button:hover {
  background-color: #d63c22;
}