body {
    margin: 0;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}
.video-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
}
.container-wrapper {
    display: flex;
    gap: 1.4rem;
    z-index: 1;
    position: relative;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.6);
    padding: 1.4rem;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    width: 49%;
    max-width: 840px;
    transition: transform 0.6s ease;
    transform-origin: center;
}
.login-container, .second-card {
    width: 50%;
    max-width: 420px;
    background: rgba(255, 255, 255, 0.5);
    padding: 1rem;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}
.second-card {
    background-color: rgba(0, 77, 0, 0.7);
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 1.4rem;
    border-radius: 15px;
    box-shadow: 0 0 20px 5px rgba(0, 255, 0, 0.3);
}
.form-control {
    border-radius: 30px;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(0, 77, 0, 0.3);
}
.form-control:focus {
    background: rgba(204, 255, 204, 0.8);
    border: 2px solid rgba(0, 51, 0, 0.9);
}
.btn-primary {
    width: 100%;
    border-radius: 30px;
    transition: background-color 0.3s ease;
    background-color: rgba(0, 77, 0, 0.8);
    border: none;
}
.btn-primary:hover {
    background-color: rgba(0, 51, 0, 0.9);
}
.icon-container {
    text-align: center;
    font-size: 3rem;
    color: rgba(0, 77, 0, 0.8);
    margin-bottom: 0.7rem;
}
.alert-danger {
    border-radius: 15px;
    background: rgba(255, 0, 0, 0.5);
}
.greeting {
    font-size: 1.4rem;
    margin-bottom: 0.7rem;
    color: rgba(102, 255, 102, 0.9);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    font-weight: bold;
    padding: 5px 10px;
    border-radius: 10px;
}
.clock {
    font-size: 2.1rem;
    font-weight: bold;
    color: rgba(179, 255, 179, 0.9);
    margin-bottom: 0.7rem;
}
.logo-container {
    position: relative;
    width: 210px;
    height: 210px;
    background-image: url('../images/logo/logo.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    margin-top: 14px;
    align-self: center;
}
.form-check-input:checked {
    background-color: rgba(0, 77, 0, 0.8);
    border-color: rgba(0, 51, 0, 0.9);
}
.message {
    font-size: 2rem;
    color: green;
    font-weight: bold;
    text-align: center;
    margin-bottom: 1rem;
}
.check-icon {
    font-size: 3rem;
    color: green;
    animation: bounce 1s ease infinite;
}
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}