/* Auth & Nickname Modal Styles */
.auth-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    /* Slightly darker */
    backdrop-filter: blur(10px);
    display: none;
    /* Hidden by default */
    justify-content: center;
    align-items: center;
    z-index: 10000;
}

.auth-modal {
    background: rgba(20, 20, 20, 0.8);
    border: 1px solid rgba(0, 242, 255, 0.2);
    padding: 2.5rem;
    border-radius: 20px;
    width: 100%;
    max-width: 450px;
    text-align: center;
    box-shadow: 0 0 40px rgba(0, 242, 255, 0.1);
    animation: modalSlide 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalSlide {
    from {
        transform: translateY(20px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.auth-modal h2 {
    font-family: 'Space Grotesk', sans-serif;
    color: #fff;
    font-size: 1.8rem;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.auth-modal p {
    color: #808080;
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.auth-modal .input-group {
    position: relative;
    margin-bottom: 1.5rem;
}

.auth-modal input {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 1rem 1.2rem;
    color: #fff;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.auth-modal input:focus {
    outline: none;
    border-color: #00f2ff;
    background: rgba(0, 242, 255, 0.05);
    box-shadow: 0 0 20px rgba(0, 242, 255, 0.1);
}

.auth-modal .btn-confirm {
    width: 100%;
    background: #00f2ff;
    color: #000;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 1rem;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.auth-modal .btn-confirm:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 242, 255, 0.4);
}

.nav-user-nickname {
    color: #00f2ff;
    font-weight: 600;
    margin-right: 1.5rem;
    font-family: 'Space Grotesk', sans-serif;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1px;
}