body {
    background: var(--primary-color);
    overflow: hidden;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

#particles-js {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.container {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
}

.card {
    background: rgba(26, 26, 26, 0.9);
    backdrop-filter: blur(5px);
    border-radius: 15px;
    padding: 2.5rem;
    text-align: center;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    animation: fade-in 1s ease-out;
    border: 1px solid #333;
}

.logo-text {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 5px rgba(0,0,0,0.3);
}

.slogan {
    color: #aaa;
    margin-bottom: 2rem;
    font-size: 1rem;
}

#forgot-password-link, #back-to-login {
    display: block;
    margin-top: 1rem;
    color: var(--secondary-color);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

#forgot-password-link:hover, #back-to-login:hover {
    color: var(--text-color);
    text-decoration: underline;
}

@keyframes fade-in {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}