main{
    display: flex;
    padding: 5em 5% 0 5%;
    flex: 1;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    align-items: flex-start; /* DŮLEŽITÉ: nedávej `stretch` */
    height: auto;
}
.login-container {
    background-color: #fff;
    padding: 2rem 2.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
}

h1 {
    margin-bottom: 1.5rem;
    text-align: center;
    color: #333;
}

label {
    font-weight: 600;
    margin-bottom: 0.25rem;
    display: block;
    color: #444;
}

input[type="email"],
input[type="password"],
input[type="text"]
{
    width: 100%;
    padding: 0.75rem;
    margin-bottom: 1rem;
    border: 1px solid #ccc;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.2s ease;
}

input:focus {
    border-color: #007bff;
    outline: none;
}

.chybova_hlaska {
    background-color: #f8d7da;
    color: #842029;
    padding: 0.75rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    display: none; /* Zobrazit jen při chybě */
}

.form-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

a {
    text-decoration: none;
    font-size: 0.9rem;
}

a:hover {
    text-decoration: underline;
}

button {
    background-color: #007bff;
    color: #fff;
    border: none;
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #0056b3;
}