html, body {
    height: 100%;
    margin: 0;
    overflow: hidden; 
}

.video {
    position: fixed;
    top: 0;
    left: 0;
    min-width: 100%;
    min-height: 100%;
    object-fit: cover;
    z-index: -1;
}

.sign {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh; 
    text-align: center;
    padding: 0 20px; 
    margin: 0; 
}

#form {
    flex-direction: column;
    display: flex;
    align-items: center;
    gap: 40px;
}

#form input {
    width: 300px;
    height: 40px;
    border-radius: 1em;
    border: 2px solid #ccc;
    transition: border-color 0.3s ease;
    padding-left: 15px;
}

#form input:focus {
  border-color: #4d95b4;
  outline: none;
}

.input-group {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      margin-bottom: 20px;
}

    .input-group input {
        width: 300px;
        height: 40px;
        border-radius: 1em;
        border: 2px solid #ccc;
        transition: border-color 0.3s ease;
        padding-left: 15px;
    }

    .input-group input:focus {
        border-color: #4d95b4;
        outline: none;
    }

    .error {
        color: red;
        font-size: 14px;
        margin-top: 5px;
        display: none; 
    }

    .error-border {
        border-color: red !important;
    }

    /* Back Button */
.back-container {
    position: absolute;
    top: 20px;
    left: 20px;
    z-index: 10;
}

.back-button {
    background-color: rgba(255, 255, 255, 0.2);
    border: 2px solid white;
    color: white;
    padding: 0.5em 1.2em;
    border-radius: 30px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.back-button:hover {
    background-color: white;
    color: black;
}

.signup-link {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
    color: white;
    z-index: 10;
}

.signup-link a {
    color: #4d95b4;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

.signup-link a:hover {
    color: #fff;
}