body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #1a2a6c, #b21f1f, #fdbb2d);
    color: white;
    text-align: center;
    padding: 10px;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    overflow: hidden;
}
.container {
    background: rgba(255, 255, 255, 0.15);
    padding: 15px;
    border-radius: 20px;
    box-shadow: 0px 4px 30px rgba(0, 0, 0, 0.5);
    max-width: 95%;
    width: 100%;
    backdrop-filter: blur(15px);
    animation: fadeIn 1s ease-in-out;
    display: flex;
    flex-direction: column;
    align-items: center;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}
.btn {
    width: 100%;
    padding: 12px;
    margin-top: 10px;
    background: rgba(255, 255, 255, 0.3);
    color: white;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.4s ease-in-out;
    font-size: 16px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.btn:hover {
    background: rgba(255, 255, 255, 0.6);
    transform: scale(1.05);
}
video {
    width: 100%;
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin-top: 10px;
    display: block;
}
canvas {
    display: none;
    width: 100%;
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin-top: 10px;
}
#send {
    display: none;
    margin-top: 10px;
    background: #28a745;
    color: white;
    font-size: 16px;
    border: none;
    border-radius: 30px;
    padding: 12px;
    cursor: pointer;
    transition: all 0.4s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
}
#send i {
    margin-left: 8px;
}