body {
    font-family: 'Roboto', sans-serif;
    background-color: #f0f0f0;
    margin: 0;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}
.container {
    background-color: #191919;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    width: 100%;
    max-width: 800px;
}
.header {
    background-color: #191919;
    color: white;
    padding: 20px;
    text-align: center;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    width: 50px;
    height: auto;
}
.content {
    display: flex;
    flex-wrap: wrap;
}
.form-container {
    flex: 1;
    padding: 20px;
    min-width: 300px;
}
.image-container {
    flex: 1;
    min-width: 300px;
}
.event-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
h1 {
    margin: 0;
    font-size: 24px;
}
form {
    display: flex;
    flex-direction: column;
}
label {
    margin-top: 10px;
    font-weight: bold;
    color: white;
}
input {
    margin-top: 5px;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 16px;
    color: white;
    background-color: #191919;
}
button {
    margin-top: 20px;
    padding: 10px;
    background-color: #2196F3;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
}
button:hover {
    background-color: #1976D2;
}
.modal {
    display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.4);
    align-items: center;
    justify-content: center;
}
.modal-content {
    background-color: #fefefe;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    animation: modalAppear 0.3s ease-out;
}
@keyframes modalAppear {
    from {opacity: 0; transform: translateY(-50px);}
    to {opacity: 1; transform: translateY(0);}
}
.checkmark {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: block;
    stroke-width: 2;
    stroke: #4bb71b;
    stroke-miterlimit: 10;
    box-shadow: inset 0px 0px 0px #4bb71b;
    animation: fill .4s ease-in-out .4s forwards, scale .3s ease-in-out .9s both;
    margin: 0 auto 20px;
}
.checkmark__circle {
    stroke-dasharray: 166;
    stroke-dashoffset: 166;
    stroke-width: 2;
    stroke-miterlimit: 10;
    stroke: #4bb71b;
    fill: none;
    animation: stroke 0.6s cubic-bezier(0.65, 0, 0.45, 1) forwards;
}
.checkmark__check {
    transform-origin: 50% 50%;
    stroke-dasharray: 48;
    stroke-dashoffset: 48;
    animation: stroke 0.3s cubic-bezier(0.65, 0, 0.45, 1) 0.8s forwards;
}
@keyframes stroke {
    100% {
        stroke-dashoffset: 0;
    }
}
@keyframes scale {
    0%, 100% {
        transform: none;
    }
    50% {
        transform: scale3d(1.1, 1.1, 1);
    }
}
@keyframes fill {
    100% {
        box-shadow: inset 0px 0px 0px 30px #4bb71b;
    }
}