* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

#bgVideo {
    position: fixed;
    right: 0;
    bottom: 0;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    z-index: -1000;
    object-fit: cover;
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-box {
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1), 0 8px 16px rgba(0, 0, 0, 0.1);
    padding: 20px;
    text-align: center;
}

.login-header {
    margin-bottom: 20px;
}

.login-logo {
    max-width: 120px;
    height: auto;
}

.login-form .form-group {
    margin-bottom: 15px;
    text-align: left;
}

.login-form label {
    display: block;
    margin-bottom: 5px;
    color: #606770;
    font-size: 14px;
}

.login-form input[type="text"],
.login-form input[type="password"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #dddfe2;
    border-radius: 6px;
    font-size: 16px;
}

.login-button {
    width: 100%;
    padding: 12px;
    background-color: #1877f2;
    color: #ffffff;
    border: none;
    border-radius: 6px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s;
}

.login-button:hover {
    background-color: #166fe5;
}

.error-message {
    color: #ff0000;
    margin-bottom: 15px;
    font-size: 14px;
}

@media (max-width: 480px) {
    .login-container {
        padding: 10px;
    }

    .login-box {
        padding: 15px;
    }

    .login-form input[type="text"],
    .login-form input[type="password"] {
        font-size: 14px;
    }

    .login-button {
        font-size: 16px;
    }
}