/* Общие стили */
body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f4f4f4;
  color: #333;
  box-sizing: border-box;
}

/* Главный контейнер */
.main-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 20px;
  align-items: center;
}

/* Хедер */
header {
  width: 100%;
  padding: 15px 20px;
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.header-button {
  background-color: #fff;
  color: #3498db;
  padding: 8px 16px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
  transition: background 0.3s, color 0.3s;
  border: 2px solid transparent;
}

.header-button:hover {
  background-color: #e3f2fd;
  color: #2980b9;
  border-color: #2980b9;
}
@media (max-width: 480px) {
  form {
    padding: 20px;
  }

  .header-button {
    padding: 6px 12px;
    font-size: 14px;
  }
}


a {
  color: #00B7FF;
  text-decoration: none;
  margin-top: 10px;
}

h1 {
  color: #333;
}

.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
  padding: 20px;
}

.achievement-card {
  background-color: white;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 15px;
  text-align: center;
}

.achievement-card img {
  width: 100px;
  height: 100px;
  object-fit: contain;
}

form {
  background: white;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 400px;
  box-sizing: border-box;
}

@media (max-width: 400px) {
  form {
    padding: 20px;
    max-width: 100%;
  }
}
div {
  margin-bottom: 15px;
 
}

label {
  display: block;
  margin-bottom: 5px;
  color: #555;
  font-weight: bold;

}

input[type="text"] {
  width: 100%;
  height: 50px;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
  box-sizing: border-box;
  margin-bottom: 20px;
}
button[type="submit"] {
  width: 100%;
  height: 50px;
  padding: 10px;
  background-color: #007bff;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;

}
button {
  padding: 8px 16px;
  background-color: #3498db;
  color: white;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
  transition: background 0.3s;
  display: inline-block; 
  width: auto;
}

button:hover {
  background-color: #2980b9;
}

input[type="password"] {
  width: 100%;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
  box-sizing: border-box;
  margin-top: 20px;
}
.alert-success {
  background-color: #d4edda;
  color: #155724;
  padding: 12px;
  border-radius: 6px;
  border: 1px solid #c3e6cb;
  margin-bottom: 1em;
}
.top-right {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
}
header {
  width: 100%;
  padding: 10px;
  color: white;
  text-align: center;
}

.addAchi-button {

  font-size: 20px;
}

textarea {
  width: 100%;
  height: 50px;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
  box-sizing: border-box;
  margin-bottom: 20px;
}
.preview-image {
  max-width: 100%;
  height: auto;
  margin-top: 10px;
  display: none;
  border-radius: 4px;
  border: 1px solid #ddd;
 
}

input[type="file"] {
  margin-bottom: 20px;
}