:root {
  --primary-color: #ffffff;
  --primary-dark: #1ca56c;
  --background-body: #18262d;
  --background-card: #152126;
  --text: #f0f0f0;
  --text-muted: #bbb;
  --radius: 10px;
}

* {
  box-sizing: border-box;
  font-family: 'Roboto', sans-serif;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--background-body);
  padding: 0.7rem;
  color: var(--text);
}

.container {
  max-width: 850px;
  background-color: var(--background-card);
  margin: auto;
  padding: 2rem;
  border-radius: var(--radius);
  border: 1px solid #373737;
}

h1 {
  text-align: center;
  margin-bottom: 1.5rem;
  color: var(--primary-color);
}

.form-group {
  margin-bottom: 1.5rem;
}

label {
  font-weight: 600;
  display: block;
  margin-bottom: 0.4rem;
}

input[type="text"],
input[type="number"],
input[type="url"],
textarea,
select {
  width: 100%;
  padding: 0.7rem;
  background-color: #1e2f37;
  border: 1px solid #2e3e44;
  border-radius: var(--radius);
  color: var(--text);
  font-size: 1rem;
}

textarea {
  resize: vertical;
  min-height: 100px;
}

input[type="file"] {
  margin-top: 0.3rem;
  color: var(--text-muted);
}

.form-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.form-row .form-group {
  flex: 1;
  min-width: 200px;
}

.checkbox-group,
.payment-options {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.checkbox-group label,
.payment-options label {
  font-weight: normal;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-muted);
}

.preview-img {
  max-width: 200px;
  margin-top: 0.5rem;
  border-radius: var(--radius);
  border: 1px solid #333;
  display: none;
}

.form-actions {
  text-align: center;
  margin-top: 2rem;
}

.social input {
  margin-bottom: 10px;
}

.social input:last-child {
  margin-bottom: 0;
}

button {
  background-color: var(--primary-dark);
  color: #fff;
  padding: 0.75rem 2.5rem;
  font-size: 1rem;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  width: 100%;
  transition: background-color 0.3s;
}

button:hover {
  background-color: var(--primary-dark);
}

@media (max-width: 600px) {
  .form-row {
    flex-direction: column;
  }
}