body {
    background: linear-gradient(135deg, #000000, #1A344E, #77787B);
    height: 100vh;
    overflow: hidden;
    color: #212529 !important;
    font-weight: 400 !important;
}
.particle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
    animation: float 15s infinite ease-in-out;
}
@keyframes float {
0%, 100% { transform: translateY(0) translateX(0);
}
25% { transform: translateY(-20px) translateX(15px);
}
50% { transform: translateY(-35px) translateX(-15px);
}
75% { transform: translateY(-15px) translateX(25px);
}
}
.login-container {
    background: rgba(255, 255, 255, 0.9);
    -webkit-backdrop-filter: blur(10px);
            backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    transition: all 0.3s ease;
}
.login-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}
.brand-section {
    background: linear-gradient(135deg, #2F5D84, #1A344E);
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    padding: 2rem;
}
.btn-primary {
    background: linear-gradient(135deg, #1A344E, #2F5D84);
    border: none;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.4);
    transition: all 0.3s ease;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 7px 20px rgba(0, 123, 255, 0.5);
}
.form-control {
    border-radius: 10px;
    padding: 12px;
    border: 1px solid #ced4da;
    transition: all 0.3s ease;
}
.form-control:focus {
    border-color: #0097ff;
    box-shadow: 0 0 0 0.25rem rgba(0, 151, 255, 0.25);
}
.form-floating label {
    padding: 12px;
}
.logo-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}
.language-selector {
    border: none;
    background: transparent;
    color: #6c757d;
}
.footer-links a {
    color: #6c757d;
    text-decoration: none;
    margin: 0 10px;
    transition: color 0.3s ease;
}
.footer-links a:hover {
    color: #0097ff;
}
.h2, h2 {
    font-size: 2rem;
}
.h1, h1 {
    font-size: 2.5rem;
    color: #FFFFFF;
    line-height: 1.2;
    font-weight: 700 !important;
}
.fw-bold {
    font-weight: 700 !important;
}
.btn-check:active + .btn.btn-danger, .btn-check:checked + .btn.btn-danger, .btn.btn-danger.active, .btn.btn-danger.show, .btn.btn-danger:active:not(.btn-active), .btn.btn-danger:focus:not(.btn-active), .btn.btn-danger:hover:not(.btn-active), .show > .btn.btn-danger {
    background-color: #D81A48 !important;
}